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  1. #301
    Action LED Lights
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    Quote Originally Posted by varider View Post
    Looking forward to it. Are you designing yourself, or is it a collaboration with one of the major companies?
    TBD, my design but some aspects may be in partnership with others. In my former life I was a design engineer specializing in new product development so I have the contacts to bring it together.
    Jim Harger
    Action LED Lights
    www.action-led-lights.com

  2. #302
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    Ok just got a message from Fasttech

    Sorry for the wait.

    Your order is delayed due to 1443727, it is out of stock at present. it will be back in back in 2-3 busiess days. We will ship it once we get 1443727 on hand.

    So don't give up yet

  3. #303
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    Quote Originally Posted by znomit View Post
    Mine arrived on friday…. A month from order.

    Initial shock because the box showed the generic single XML I have a few of already.
    I got mine after 3, almost 4 weeks wait and also got shocked when I saw that it was the wrong box :-)

    Only problem we had was that the blue light that we ordered was sold out, so they just sent our 2 red ones without asking and was going to send the last one when it was back in stock. A bit irretating cause if we knew we had just asked for a red one more. Now we didnt want to pay Customs fee twice so we cancelled the blue light. In the end we didnt pay customs at all, wich made it a very good deal.

    Was testing them last night, worked very well. Once i thought that it was a bit too dark around me, but later found out that the light was on to the weakest switch.

    Very happy with the light!!!

  4. #304
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    Went out for a ride tonight. Beam is actually pretty smooth on the road, doesn't dump a ton of light right in front of your wheel, no real hotspot anywhere. On the hilly singletrack it worked very very well, except now I need a brighter helmet light.

    I still think for road use I'd like to gut one and put XPGs in and a taskled lflex driver.

  5. #305
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    Quote Originally Posted by mrbubbles View Post
    Just got mine, shipped on the 15th of Sept.

    First thing I did was removed the mount and installed a quick release one.

    Rubber mounts are ok if they came with a tab but this one did not.

    Attachment 836371

    Attachment 836372


    Very very small and lightweight.

    I'd buy another head only for a headlamp if they sold head only.
    Nice mount.

    Can I ask for a link to the mounts please?

    I have ordered two of these lights.

  6. #306
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    Ordered one of these last night, does any body know if this (PANNOVO B-C04 Water Resistant 4 x 18650 Battery Pack Case for Bike Lamp - Black - Free Shipping - DealExtreme) battery pack will fit?

  7. #307
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    Any updates on those that have tried some spot optics?

  8. #308
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    Tested the thermal cutoff today.
    Cuts in around 70C (IR thermometer).
    No hysteresis so theres a bit of flicker before it come fully on… guess thats a good visual warning. Cuts all modes back by half.

  9. #309
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    Quote Originally Posted by mark__gti View Post
    Ordered one of these last night, does any body know if this (PANNOVO B-C04 Water Resistant 4 x 18650 Battery Pack Case for Bike Lamp - Black - Free Shipping - DealExtreme) battery pack will fit?
    I hope so.

    I just ordered one too. (Need another, but wanting to test fit first)

    Anyone know where to get a cheap holder/bag for this from?

  10. #310
    Kir
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    It will fit, I just checked that.
    Holder/bag for what? Pannovo battery case will come with pouch.

  11. #311
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    holder too

  12. #312
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    Pannovo connector seems to be threaded on the outside, while Yinding connector is not.

  13. #313
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    Quote Originally Posted by wadester View Post
    Hmm. I ordered 2 from FastTech the 8th - blue light shows "Scheduled Ship Date: 11/11/2013", red light shows "Ready to ship".
    Quote Originally Posted by BeDrinkable View Post
    When I ordered mine, it showed a scheduled ship date for 2-3 days. When that date came, it changed to "restocking" and remained there until I cancelled it.
    Yeah, the blue light reverted to "restocking" - so I cancelled it but then the red light shipped the next day. This was a surprise, and I had reordered both red and blue via DX - but those are "Processing". HA! OTOH, I've got optics/reflectors for a wide range of angles - 10, 45, 60 degrees from ebay (now in hand) and 30 degrees coming from Fasttech. Stock is supposed to be 15 degrees, so I will be able to experiment with that one light.

    The last time I had a "perfect" head/bar light combo, I was running NiteRider incandescents. 15 watt spot on the head, and a 15 watt flood on the bar - overvolted to 20 watts. The flood beam was so dispersed that it appeared dimmer than the spot running both at 15w, but overvolting it brightened it up and then it color matched the spot (and drowned out the spill from the spot so I could see surface contrast well). But then I made the mistake of buying a Cateye Tripleshot - which was so much whiter/brighter (and midrange spot/flood) that it made even an overvolted spot beam look dim.

    I'm concerned that even if I do get a very tight spot and a very wide flood on these DuoClones that I'll have to turn the spot down to match the lower brightness of the flood. At least they have seem to have the brightness to tolerate that. So is it lumens/ft^2? Or lumens/ angle^2?

    Googling, I find
    "In physics, intensity is the power transferred per unit area. In the SI system, it has units watts per metre squared (W/m2)."
    and
    "In photometry and radiometry intensity has a different meaning: it is the luminous or radiant power per unit solid angle. This can cause confusion in optics, where intensity can mean any of radiant intensity, luminous intensity or irradiance, depending on the background of the person using the term. Radiance is also sometimes called intensity, especially by astronomers and astrophysicists, and in heat transfer."

    Luminous Intensity is measured in candela (= lumens/solid radian or steradian). " Solid angles are often used in physics and astrophysics where they are usually calculated as area divided by distance." In 2D, you can get arc length by multiplying the angle (in radians) by the radius - or in this case the distance from emitter to target. Note: steradians do not equal radians^2.
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

  14. #314
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    Help

    Quote Originally Posted by Kir View Post
    Not really if we're talking about real OTF lumens and not about overrated manufacturer's specifications.
    For example Fenix BT20 drives LED at 3A in high mode and that gives about 770 OTF lumens.
    All dual xml lights will give 500-600 lumens per led, you can read and compare:
    Review: Lupine Piko 4 | Mountain Bike Review
    Gloworm X2 ? 2013 Mtbr Lights Shootout | Mountain Bike Review

    If you really need more output you can replace leds with XML2 and increase current in driver, but keep these things in mind:
    1) Human eye sensivity to light is non-linear, you won't notice much difference between lets say 600 and 800 lumens compared to 200 vs 400.

    On the other hand led's efficiency drops at higher current:
    http://i199.photobucket.com/albums/a...nsmeasured.jpg
    2) Increased light output will create much more heat and will discharge the battery *much* faster. Heat is especially important for such small lights.

    So its simply not worth it to drive the leds to the max in many cases, including these gemini clones.


    There are no reviews of the Owl yet, but its pretty simular to SSX2 so you can look at its beamshots vs lupine/gloworm beamshots from the above links.
    I haven't used these lights myself so I can only do this (click for full res):


    And post my thoughts on them based on short testing in my room.

    Gemini Duo clone - very small, very lightweight, should be excellent as backup light or helmet light (not the best beam for helmet use though but very, very light). Probably about ~1000 lumens output, 1.6A current draw from battery.
    Beam profile - TIR lens, almost no sidespill, very wide and floody hotspot. Not suitable to high-speed cycling on road, it just doesn't have enough throw. But should be great in forest at low speeds or as a secondary light for close-range illumination.

    Jexree Owl - bigger, heavier, can be used as your main light. Build quality is good, battery is great (4400mAh compared to random 2000-4000mAh that you will get with gemini clone). Much higher current draw, about 2.3-2.5A, XML2 leds = much brighter output, probably about 1300-1400lumens or so. Middle mode is 0.6A and low is 0.2A which is roughly the same as gemini clone, but high is higher.
    Beam profile - smooth reflector, usual small and bright hotspot with wide and dim sidespill. Suitable for roads, gives more throw. Probably less useful in forest but should be good enough.

    Kir, you seem to know what your talking about, can you save me countless hours of research and link me 2 lights (1 main, 1 helmet) from fast tech you would buy for around 100$'s total. GREATLY APPRECIATED.

  15. #315
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    Just got my shipping notice from FastTech. I ordered a black one on Oct 28 at which point the status was pending for about a week and then out of stock with no ETA for 2 weeks. On 11/16 it changed to an estimated in stock date of 11/18.

  16. #316
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    Quote Originally Posted by wadester View Post
    Googling, I find
    "In physics, intensity is the power transferred per unit area. In the SI system, it has units watts per metre squared (W/m2)."
    and
    "In photometry and radiometry intensity has a different meaning: it is the luminous or radiant power per unit solid angle. This can cause confusion in optics, where intensity can mean any of radiant intensity, luminous intensity or irradiance, depending on the background of the person using the term. Radiance is also sometimes called intensity, especially by astronomers and astrophysicists, and in heat transfer."

    Luminous Intensity is measured in candela (= lumens/solid radian or steradian). " Solid angles are often used in physics and astrophysics where they are usually calculated as area divided by distance." In 2D, you can get arc length by multiplying the angle (in radians) by the radius - or in this case the distance from emitter to target. Note: steradians do not equal radians^2.
    Really?...Do we need all this? Hey, we're not rocket scientist here. Let's keep it simple.

    Most of us just want something that will work. Now if it becomes possible to buy replacement optics that will work with these lamps there are people here who will be interested. In comparison standard optics on the Gloworm X2 lamps include one spot and one flood optic. Seems to work and provides a nice balanced spread of light. If an after market optic is available that will add a little more spread and will drop in to the Duo clone without modding that would be super.

  17. #317
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    Quote Originally Posted by Cat-man-do View Post
    Really?...Do we need all this? Hey, we're not rocket scientist here. Let's keep it simple.

    Most of us just want something that will work. Now if it becomes possible to buy replacement optics that will work with these lamps there are people here who will be interested. In comparison standard optics on the Gloworm X2 lamps include one spot and one flood optic. Seems to work and provides a nice balanced spread of light. If an after market optic is available that will add a little more spread and will drop in to the Duo clone without modding that would be super.
    Actooaly, I AM a rocket scientist! That was me thinking out loud - but the point is that if I can describe why that one old lightset was perfect, I may be able to get the same match without buying everyfreakingthing.

    A lot of the modern lights seem to be trying to be one light that does it all - and that is too much of a compromise, I think. A good bar light, mounted as low as possible to throw contrast shadows and reveal the texture of the trail out to about 30', and a tight spot to reach out beyond that and find the curves before you get to them without wiping out the contrast shadows - that's what I want. No manufacturers have a good 2-light system, but maybe there are starting to be enough parts to mod one up.

    If I had all the money and time in the world, I could just stick things together to see how they work - but I'd rather go ride. If I can describe the specs of what I want - I just need to keep an eye out for that, and let the rest go by.
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

  18. #318
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    Quote Originally Posted by botanicbiker View Post
    Just got my shipping notice from FastTech. I ordered a black one on Oct 28 at which point the status was pending for about a week and then out of stock with no ETA for 2 weeks. On 11/16 it changed to an estimated in stock date of 11/18.
    I just ordered a blue Duo clone from FastTech late on Sat the 16th. Said it was due to be shipped on Mon the 18th, late afternoon UK time got email to say it had been shipped, so we'll see how long it takes to arrive.

    Already have 3 of the earlier single XML cheapo chinese lights. Was impressed with their brightness and found them a vast improvement on my previous ancient halogens. Also recently bought a FandyFire similar to the Solarstorm X2 XML lights. Way more than enough light with it on my helmet and one of the single XMLs on bars. It's light enough in weight that I added the 4 cell battery to back of helmet and the combined weight is OK for a couple of hours of night-riding.

    With the Duo clone being even lighter from what the reviews say, it'll be great on helmet with SSX2 on bars.
    Hopefully won't be long till I can add my opinion of this light.

  19. #319
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    YD vs. the real deal

    In the name of science, I picked up a real deal Gemini Duo lighthead (2013 XM-L U2 version, not the 2014 XM-L2). I only own one battery pack at the moment (the POS that came with the YD), so I couldn't do any side-to-side beam comparisons. However, when trying out the lights one after the other in my garage, I couldn't really see any difference in brightness or beam pattern. Some superficial differences I noted:

    • The Duo has more of a matte anodizing, the YD is glossy
    • The Duo switch material sticks out more and feels thicker
    • The Duo click is a bit firmer
    • The Duo is 1mm longer front to back, otherwise the dimensions are identical
    • The cases have a different machining designs on top
    • Fit and finish of the Duo is ever so slightly better
    • The printing on the wires is the same
    • The mounting brackets appear identical


    The most significant difference is the Duo has the programmable brightness levels (and has a warranty, etc.). The YD is short click L-M-H-off, the Duo is short click L-M-H, long press for off. When you cycle the Duo from H to L, there is a gradual fade, which the YD doesn't have.

    I've got a couple of the Panasonic 6200 mAh battery packs on order from Hunk Lee, once they arrive from China, I'll be able to use both lights together.

    In these pics, the Duo is always on the right:
    Gemini Duo clones-img_20131118_221412_897%5B1%5D.jpg
    Gemini Duo clones-img_20131118_221500_917%5B1%5D.jpg
    Gemini Duo clones-img_20131118_221609_531%5B1%5D.jpg
    Gemini Duo clones-img_20131118_222059_435%5B1%5D.jpg
    Gemini Duo clones-img_20131118_221523_292%5B1%5D.jpg

  20. #320
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    Quote Originally Posted by zuuds View Post
    In the name of science, I picked up a real deal Gemini Duo lighthead
    Many thanks!

  21. #321
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    Quote Originally Posted by zuuds View Post
    The most significant difference is
    The price is 1/4 for the Yinding!

  22. #322
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    Quote Originally Posted by znomit View Post
    The price is 1/4 for the Yinding!
    I would say 1/2 not 1/4. The duo complete set comes with a 5200 mAh Samsung pack which sells for $55 itself. A more apples to apples comparison would be the 2013 Duo XM-L U2 lighthead ($83.70) plus a $10 mystery mAh pack, $10 charger, and $3 mount for a total of $106.70.

  23. #323
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    FYI

    I have recently picked up the yinding from wallbuys, got the blue one

    including the day I clicked submit order, it took 14 days to get the light
    in my mailbox in Massachusetts. that is pretty fast for shanghai

    I was able to track the shipment 100% of the time on this site

    International Track and Trace service





    I am extremely happy with it. for the loot, it is pretty well built. I will
    replace the 4400 8.4 with my own dx pannovo 8.4
    PANNOVO B-C04 Water Resistant 4 x 18650 Battery Pack Case for Bike Lamp - Black - Free Shipping - DealExtreme

    and fill it with 3100x4 18650 protecteds

    ------------
    no problem with charger, in fact it works properly

    red to probe battery at 8.4 volts, then sniff volts
    red as charging
    yellow to indicate problem and retry cycle
    green to indicate charged
    would not charge my cold battery pack, it would blink red then
    quit fast to off, then probe it again...it kept doing this for 1/2 hour
    until pack warmed up. I know to never charge cold lithiums, but I
    wanted to see what the charger would do.

    at the end of it all, leaves the pack fully charged at 8.21-8.17

    When stopped in the woods for a bit, I find the light cycled from hi to a bit dimmer, then high again, with the cycle increasing the duration of the lower mode the longer
    I waited...I did not stop long enough to see if it would cut out completely
    it was 32 deg and frost forming, so maybe it was always just cool enough


    of all the expensive lights I have owned and also my pile o' cheap chinese clones,
    this is the best built cloned one, tinest, and most practical (really works to light up the woods)

    real or faux xml's ? don't care, works great, paid under 50
    I looked at them with a loupe and cannot tell a difference in the dome
    or phosphor/substrate vs thrunite tn11 xml u2, so it seems legit

    -- it is the tiniest lightest brightest cheap deal going afaik --

  24. #324
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    Ordered my YD light on Oct 25, Sent email to FastTech on Nov 15th aking for shipping # or any info regarding my order. Nov 17th get a reply that Item is out of stock due to production problem and looking for alternate source for supply. Would I like to wait or change order to similar product. Responded saying I would like a refund of my money. The morning of the 18th I orderd the real Gemini Duo from Action LED lights cause I couldnt stand all my buddies asking me to go night riding and me having no light. Not an hour after I ordered the real Gemini I get a email from FastTech telling me my order has shipped. Not to happy with FastTech pulling moves like that. Got a 8.4V 6600mAh battery off amazon for the yinding for 22.50 bucks so I guess its not so bad I can use one of them for a bar light. Was trying to avoid spending $$$ but learned lesson. Glad I orderd from Action LED for the customer service I hear is so good in case something goes tits up

  25. #325
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    wallbuys seems legit too, just expect china delays

    wallbuys is trying to make a presence in cpfmarketplace, so far so good but
    the tolerance there is very low for shady dealers...if anyone has an issue
    it'll pop up there for sure

  26. #326
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    I have ordered the below to test different beam profiles.

    20mm 30-Degree Optical Lens for Cree XML T5 / T6 / U2 LED Emitters 20*12.8mm
    20mm 15-Degree Optical Lens/Optic for Cree XM-L LED Emitters 20*12.8mm
    Optical Glass Lens for LED Flashlights (2-Pack) 20mm*1.5mm / for 18650 flashlights
    Cree 60-Degree Spotlight Optical Lens for Cree XR-E (5-Pack)

    Should I order a tighter beam for more throw too?

  27. #327
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    15 is tight enough I think. I saw 8 somewhere. Where did you get these from? Fasttech? I thought combine 15 & 30, but I ordered just 15 for now.

  28. #328
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    Fast tech

  29. #329
    Kir
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    2xCree XM-L2 2500-Lumen With 2 group modes LED Bicycle Light Lamp(Lamp cap only) - 2LED Bike Light - Led Bike Light - Bicycle Light & Headlamp Worldwide Free Shipping!!!
    First clone of Yinding. Different lenses (beam should be wider), different button and looks like it has 10-steps brightness adjustment.

  30. #330
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    Quote Originally Posted by Kir View Post
    2xCree XM-L2 2500-Lumen With 2 group modes LED Bicycle Light Lamp(Lamp cap only) - 2LED Bike Light - Led Bike Light - Bicycle Light & Headlamp Worldwide Free Shipping!!!
    First clone of Yinding. Different lenses (beam should be wider), different button and looks like it has 10-steps brightness adjustment.
    A clone of a clone?
    Or is that a son of a clone?

  31. #331
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    Its head-only which is nice but it doesn't show the plug which I assume is a MS type. How do they do this? Do they watch sites like this to see what is hot and then the cloners go crazy and start knocking them off? Seems like that is what happened with the Solarstorm X2.
    Geologist by trade...bicycle mechanic (former) by the grace of God!

    2012 Specialized Stumpy EVO 29 HT

  32. #332
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    Quote Originally Posted by TiGeo View Post
    Its head-only which is nice but it doesn't show the plug which I assume is a MS type. How do they do this? Do they watch sites like this to see what is hot and then the cloners go crazy and start knocking them off? Seems like that is what happened with the Solarstorm X2.
    Simple.
    The lights..and light bodies are readily available.
    You can buy, say...a Solar Storm and modify it and sell it.
    Or...you can buy the bodies ( that may already have the logo on them) and stick your own components ( or lack of) inside.
    These "manufacturers" may be a 1 man show working in a closet....or may be an assembly line.
    That is why there are so many different quality issues with Chinese lights.

  33. #333
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    A yinding clone, you know that's going to be no good. At least it looks different, so you can tell them apart. The original has proven itself to be nice light. I would just stick with that. It's almost like there's a two or three month window where you can get the original and it works great. Then the cloners take over and then you have no idea what you are getting.
    Last edited by varider; 11-26-2013 at 11:16 PM.

  34. #334
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    Anybody else wondered why there are no screws to hold the case together?? If these are real pictures (?), it suggests through a small rim that only the backplate can be removed, but not the front. If that assumption would be true, the LEDs need to be inserted also from the back. This would be a major difference to the original Yinding housing which is made of a single piece aluminium where the LEDs fit in from the front with very good heat sinking.

    All just assumptions though... based on looking at the pics.

    Anybody want to play lottery? ...

  35. #335
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    Quote Originally Posted by luigi4711 View Post
    Anybody else wondered why there are no screws to hold the case together??
    Probably cheaper to machine and build up.
    Actually the tiny size of these things makes me wonder how cheap they will get.

    Dear Yinding, make me a 30$ XPG single for xmas. I've been good.

  36. #336
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    You can get SS X2 head now for $19 - they are still going cheaper, but who knows what's inside - kinder surprise Like varider wrote after months clones take over and flood the market.

  37. #337
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    Quote Originally Posted by luigi4711 View Post
    Anybody else wondered why there are no screws to hold the case together?? If these are real pictures (?), it suggests through a small rim that only the backplate can be removed, but not the front. If that assumption would be true, the LEDs need to be inserted also from the back. This would be a major difference to the original Yinding housing which is made of a single piece aluminium where the LEDs fit in from the front with very good heat sinking.
    My initial impression was, they're computer-simulated (or heavily edited) pics, not real photos - but if they're indeed actual ones, it's clearly awful casing.

  38. #338
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    yep... also my first impression that where are CAD drawings, however, then you can see little imperfections.... once more it seems a gamble on what is inside a nicely decorated box...

  39. #339
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    Quote Originally Posted by Kir View Post
    2xCree XM-L2 2500-Lumen With 2 group modes LED Bicycle Light Lamp(Lamp cap only) - 2LED Bike Light - Led Bike Light - Bicycle Light & Headlamp Worldwide Free Shipping!!!
    First clone of Yinding. Different lenses (beam should be wider), different button and looks like it has 10-steps brightness adjustment.
    I think I'm going to have to stop reading these threads. Every time someone sells a Chinese lamp with an upgraded feature I want to lay money down.

    I'm going to assume this lamp is offering what is usually referred to as "step-less dimming" ( 10 levels of adjustment per mode ). While I have yet to order anything special for myself for Christmas this lamp has my trigger finger itching. Great find Kir. Nice to know that other people are now perusing the Chinese web sites for new interesting set-ups. For anyone looking to buy new bike lights this is a good time to be shopping. Absolutely amazing what you can buy for $100 nowadays.

  40. #340
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    Quote Originally Posted by varider View Post
    A yinding clone, you know that's going to be no good. At least it looks different, so you can tell them apart. The original has proven itself to be nice light. I would just stick with that. It's almost like there's a two or three month window where you can get the original and it works great. Then the cloners take over and then you have no idea what you are getting.
    Hey, they're cloners....and damn good ones too...

    Gemini Duo clones-dex-copy.jpg

  41. #341
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    The clone clone light head is more expensive than the "original" clone kit on wallbuys with the 11% coupon. I think they'd need to come down in price to sucker more folks in.

  42. #342
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    Pulled mine apart today to
    • Put a retainer on the cable
    • Grease the orings
    • I'm just nosey


    Was generally happy with it. The LED board needed a bit more paste under it but otherwise no problems until I went to put it back together.
    One of the long screws had stripped out its hole. Looks like only a few threads hold it even though it goes deeper so I will likely chop out edge of the LED board, which means thermal adhesive.

  43. #343
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    Quote Originally Posted by varider View Post
    A yinding clone, you know that's going to be no good.
    Isn´t it possible that it's a development/refinement of the YD? At least the use of XM-L2 suggests that.

    Of course I have no idea. I'm just surprised that everyone is bashing it

    I'm tempted although I just received delivery of my second YinDing (will test riding with one on bars and the second on helmet).

    Cheers
    /Johan

  44. #344
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    Has anyone tried tighter optics for use as a helmet light?

  45. #345
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    Just saw that Aliexpress is having a Dec 2nd only sale on their Gemini Duo clone. 30% off that day only.

    This is for the newer XML2 LED head only. From what I can tell this is one of the better quality vendors out there offering this lamp..

    Free shipping 1Set CREE XML2 T6 3B Bike Light 1600lm Waterproof Bicycle Light LED HeadLamp+ Charger (without battery)-in Bicycle Light from Sports & Entertainment on Aliexpress.com

    Looks like it should work out to $44 for the lamp only.

  46. #346
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    Quote Originally Posted by Trd620 View Post
    Has anyone tried tighter optics for use as a helmet light?
    I'm also very interested to hear if anyone has tried.

    I'm basically very happy with my dual yinding setup but if anything the one on the helmet could have a little more spot. (maybe just changing one lens). Is there any info on what stock lens is?

    cheers
    /Johan

  47. #347
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    "Double" clone dropped his price to $34 USD

    Quote Originally Posted by Kir View Post
    2xCree XM-L2 2500-Lumen With 2 group modes LED Bicycle Light Lamp(Lamp cap only) - 2LED Bike Light - Led Bike Light - Bicycle Light & Headlamp Worldwide Free Shipping!!!
    First clone of Yinding. Different lenses (beam should be wider), different button and looks like it has 10-steps brightness adjustment.

  48. #348
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    bit the bullet and ordered one of the clone clone lights. might have a tinker with it when it arrives.

  49. #349
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    Of those people who have actually recieved a Yinding light where have you got yours from? I originally ordered one nearly seven weeks ago from Fasttech and it got caught up in the HK Post/Fassttech debacle and I don't anticipate it being delivered as it has not even tracked . In a week and a bit time I will be able request a refund and will try another website. Was thinking either Wallbuys or DX? Where do people recommend?

  50. #350
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    Quote Originally Posted by SlSto View Post
    Of those people who have actually recieved a Yinding light where have you got yours from?
    I ordered mine from Fastech on Nov. 8th, it was supposed to ship on the 11th yet didn't because there was no stock. I wrote them and they said it would ship on the 18th when they got more stock, which it did. Today I received my light in the USA. When placing the order, I read the warning about Hong Kong post problems, so I opted for USPS instead, since it was free as well.

  51. #351
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    Quote Originally Posted by SlSto View Post
    Of those people who have actually recieved a Yinding light where have you got yours from?
    I got my first from Fasttech. Ordered on Oct 4th (before the whole battery situation).

    Second one ordered without battery from here: Latest Unique Design Cree XML 2*U2 Bike Light headlight/lamp Front Light 2300 LM 4 mode-in Bicycle Light from Sports & Entertainment on Aliexpress.com
    Received in about three weeks and I now use it with the battery from my deceased MJ-872.

    /Johan

  52. #352
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    Quote Originally Posted by GJHS View Post
    I ordered mine from Fastech on Nov. 8th, it was supposed to ship on the 11th yet didn't because there was no stock. I wrote them and they said it would ship on the 18th when they got more stock, which it did. Today I received my light in the USA. When placing the order, I read the warning about Hong Kong post problems, so I opted for USPS instead, since it was free as well.
    Same situation here. I ordered on Oct 28 (chose USPS shipping), it came in stock on Nov 18, shipped on Nov 20, at my house Dec 3.

  53. #353
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    Mine arrived from FastTech on the weekend, It appears they are now using cheap connectors to join the battery pack to the light that don't appear very waterproof.
    How waterproof do they need to be?


  54. #354
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    Hard to tell for sure... I was planning to replace the connectors with anyways because I like silicone more than PVC.
    Where did you get such a nice bracket?

  55. #355
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    Quote Originally Posted by MegaVolt View Post
    Hard to tell for sure... I was planning to replace the connectors with anyways because I like silicone more than PVC.
    Where did you get such a nice bracket?
    Do you have a link to the connectors your on about?
    The bracket is a universal Hope one.

  56. #356
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    Today I received lens and remote button. This is assembled yinding mod.
    The lens gives a more hostpot, and perfect fit Some beamshots here Good XML optic




    1. Led-dna 10 deg. optics 10 Degree 21mm Reflector Collimator LED Lens For Cree XML XM-L LED - LEDDNA

    2. Remote Mini Din Finger Ring PTT Plug Button Remote Mini DIN Finger Ring PTT Plug Button for Two Way Radio Pro Throat Mic | eBay

  57. #357
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    Quote Originally Posted by artemha View Post
    Today I received lens and remote button. This is assembled yinding mod.
    The lens gives a more hostpot, and perfect fit Some beamshots here Good XML optic


    1. Led-dna 10 deg. optics 10 Degree 21mm Reflector Collimator LED Lens For Cree XML XM-L LED - LEDDNA

    2. Remote Mini Din Finger Ring PTT Plug Button Remote Mini DIN Finger Ring PTT Plug Button for Two Way Radio Pro Throat Mic | eBay
    Great mod! It would be helpful if you showed us how you soldered/attached the remote into the circuit board. Can you place this switch in series or parallel with the original button or did you cut the wires on the built-in button.

  58. #358
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    Quote Originally Posted by artemha View Post
    The lens gives a more hostpot, and perfect fit

    1. Led-dna 10 deg. optics 10 Degree 21mm Reflector Collimator LED Lens For Cree XML XM-L LED - LEDDNA
    Thanks for sharing. I ordered a couple of different lenses to play around with my two yindings. Hoping a slightly more spotty beam on the helmet and maybe more floody on the bars will prove a useful mod.

    Cheers
    /Johan

  59. #359
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    +1 that is a really nice mod

  60. #360
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    Quote Originally Posted by varider View Post
    Great mod! It would be helpful if you showed us how you soldered/attached the remote into the circuit board. Can you place this switch in series or parallel with the original button or did you cut the wires on the built-in button.
    I solder in parallel. Сut the red sector carefully for passing wires.


  61. #361
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    Quote Originally Posted by artemha View Post
    I solder in parallel. Сut the red sector carefully for passing wires.

    Thanks for the help!
    So this is picture of the unmodified light? Is that correct?
    When you say cut the red sector, do you mean that used a tool to cut a notch into the green board in order to pass the wires through? So you just solder it into bottom of the original button as shown in the second picture.

    It's a great mod for a bar light.

  62. #362
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    Quote Originally Posted by varider View Post
    So this is picture of the unmodified light? Is that correct?
    Yes. This photo Kir User review: YINDING YD-2XU2 (Gemini Duo clone)

    Quote Originally Posted by varider View Post
    When you say cut the red sector, do you mean that used a tool to cut a notch into the green board in order to pass the wires through?
    Yes. I use high speed drill and grinding disc.

    Quote Originally Posted by varider View Post
    So you just solder it into bottom of the original button as shown in the second picture.
    Yes.

  63. #363
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    Quote Originally Posted by artemha View Post
    Today I received lens and remote button. This is assembled yinding mod.
    The lens gives a more hostpot, and perfect fit Some beamshots here Good XML optic




    1. Led-dna 10 deg. optics 10 Degree 21mm Reflector Collimator LED Lens For Cree XML XM-L LED - LEDDNA

    2. Remote Mini Din Finger Ring PTT Plug Button Remote Mini DIN Finger Ring PTT Plug Button for Two Way Radio Pro Throat Mic | eBay
    Absolutely fantastic mod! That remote switch is a super find! Looks almost exactly like the ones on the Gloworms. Nice to hear that the replacement optics work too. Turns out to be the "Poor man's version" of the Gloworm X2. If I already didn't happen to have a handful of GW X2's I would be ordering up a couple of these real quick.

    Now if you could only order these Yinding ( Duo clone ) lamp head only at a decent price. $50 for head only is too much. $30 would be more acceptable.

  64. #364

  65. #365
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    gotta love this review:

    "Bright, cheap and works well. 2500 lumens (3000in reality). "

    Fact: cree xml l2 led MAX lumens is ~975 (1198 in a lab) and only if it is cooled well.

    -->2396 total theoretical maximum from 2xcree latest XML L2<---

    no possible way that 2xml light can make more than 1800 or so lumens,
    if at all, since the cooling is gonna be tough
    Last edited by 127.0.0.1; 12-11-2013 at 09:12 AM.

  66. #366
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    I just received my duo clone from wallbuys. I ordered it november 9, it shipped november 19th and just arrived today. I did ship with EMS shipping. One thing to note, is that the connectors to the charger/battery/light are different then the Gemini. The center pin is larger on the Clone. I tried using my Gemini charger on the clone battery and the connector wouldn't fit. Just thought I would share.

    -tmoney

  67. #367
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    Very funny review indeed. The tech stuff should be clear to almost everyone that know XM-L1/2

    Quote Originally Posted by 127.0.0.1 View Post
    gotta love this review:

    "Bright, cheap and works well. 2500 lumens (3000in reality). "

    Fact: cree xml l2 led MAX lumens is ~975 (1198 in a lab) and only if it is cooled well.

    -->2396 total theoretical maximum from 2xcree latest XML L2<---

    no possible way that 2xml light can make more than 1800 or so lumens,
    if at all, since the cooling is gonna be tough

  68. #368
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    I also have the Fasttech Yinding and was disappointed to find that the connectors were different than the Gemini lights/batteries that I already have. The pin on the battery end of the Yinding connector is a larger diameter than the typical Gemini/Magicshine. The Yinding will plug into my Gemini batteries, but not the other way around. I'd like to replace the battery connector with an extra Gemini connector that I have. What's the best way to do this? I'm no electrical expert, but I'm assuming that cutting/splicing on a live battery wire is bad.

    Other than that, I've been really happy with the light so far.

    Thanks.

  69. #369
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    Quote Originally Posted by squak View Post
    I also have the Fasttech Yinding and was disappointed to find that the connectors were different than the Gemini lights/batteries that I already have. The pin on the battery end of the Yinding connector is a larger diameter than the typical Gemini/Magicshine. The Yinding will plug into my Gemini batteries, but not the other way around. I'd like to replace the battery connector with an extra Gemini connector that I have. What's the best way to do this? I'm no electrical expert, but I'm assuming that cutting/splicing on a live battery wire is bad.

    Other than that, I've been really happy with the light so far.

    Thanks.
    best way is cut/splice/solder/shrinkwrap your own connectors.

    it is fine on a live battery just don't short it out by mistake.
    protection circuit should kick off, but the question is: will it ?
    and can it be reset by it's own charger, or will ya brick it ?

  70. #370
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    I thought about it a little more and realized that I didn't need to mess with the Yinding battery. I cut the connector from the charger that came with the Yinding and spliced it to a Gemini connector to make a converter/extension. Problem solved.

  71. #371
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    Quote Originally Posted by mark__gti View Post
    Mine arrived from FastTech on the weekend, It appears they are now using cheap connectors to join the battery pack to the light that don't appear very waterproof.
    How waterproof do they need to be?

    I just got mine as well and noticed the connector is basic, no seal to keep out water. Is this normal or did they change it.
    I will say that even after reading, seeing on the forum how small it was, I was amazed. It's a nice light

  72. #372
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    If you look at photos from earlier in this thread the lights have the better connectors. The connectors on my light (received about 3 weeks ago) are the POS ones. I wouldn't trust them to stay connected on a mountain bike ride (or anywhere really). If you're using the Yinding with a Gemini or Magicshine battery you can put a few wraps of electrical tape around the plastic part of the plug to get a secure fit.

  73. #373
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    I would say that mine are snug. I dropped the light by accident and it didn't disconnect at all. I would say waterproof may be an issue for some people; I myself don't ride in the rain. I'm not sure that water would affect it though

  74. #374
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    Can anyone with both the clone and the duo do a beamshot comparison or give your opinion on how the two stack up? Im curious to see if the beam patterns are similar. Is one more of a thrower than the other? All in all it looks like a pretty solid effort and definitely worthwhile option. The lightmall sight that has the clone listed for 35 also had some other nice deals including a magicshine single emitter knockoff for 12.50 and some cheap battery packs...I think 8x18650s and 4x26650s fpr just over 20 bucks.im sure the cells arent the best but they should still give decent runtimes for those who are on a budget and dont mind the extra weight penalty

  75. #375
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    There is a thread about batteries: The Battery Thread: 2013 Most knock-off cells have capacity of a random number 700-2000 mAh. Maybe an average about 1200mAh/18650 cell. I am not sure about 26650, but take a look in that thread. Better would be to go with a pannovo battery holder and some reasonable capacity cells that depend on how much runtime do you really need. But decent 2600mAh Sanyo are $8-10 a pair I think (Fasttech, Wallbuys, Banggood,...)

  76. #376
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    Quote Originally Posted by artemha View Post
    Today I received lens and remote button. This is assembled yinding mod.
    The lens gives a more hostpot, and perfect fit Some beamshots here Good XML optic


    1. Led-dna 10 deg. optics 10 Degree 21mm Reflector Collimator LED Lens For Cree XML XM-L LED - LEDDNA
    Just a small post to confirm that the optics from LEDDNA are a perfect fit. I swapped one of the lenses in each of my two Yindings. One for more spot and one for more flood. Will get out to evaluate and see if I'll change the other one as well.
    Gemini Duo clones-yinding_mod.jpg
    Cheers
    /Johan

  77. #377
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    Ok I finally got my Duo Clone from Aliexpress. ( XML2 T6 ) I also have the 2013 Gemini Duo,( last years) which has been my go to bar light..Tonight I put them both on the bars to see how they compare.

    Beam shots are the same, but I like the original Duo better just for the fact that I like the "whiter" color of the Duo. The clone is more of a yellow natural color, but the Duo has in my opinion a brighter "whiter" color tint.

    I will run a runtime comparison tonight to see if there is much of a longer runtime with the XM L2 led.

    Overall I like the original Duo better.



    Free shipping 1Set CREE XML2 T6 3B Bike Light 1600lm Waterproof Bicycle Light LED HeadLamp+ Charger (without battery)-in Bicycle Light from Sports & Entertainment on Aliexpress.com
    Last edited by eggdog; 12-18-2013 at 08:30 PM. Reason: spelling

  78. #378
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    I posted to the aforementioned thread and while I am unlikely to purchase any "cheap" packs (I currently run gemini 4's and 6's except for my tail light) I figured I wpuld point them put for the budget c9ncious buyer who happens to already be ordering from that site...although I must admit, the 26650 setup caught my attention. At the end of the day, if the junk china cells hold half the charge of a decent set, 22 dollars for an 8 cell doesn't stack up all that bad to 50+ for a decent 4 cell with equal capacity. As mentioned before weight will be the killer though

  79. #379
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    Learning from experience these packs are a hit or miss in the mAh range I wrote with a greater chance to miss. The 8 cell 4S2P pack of 700mAh cells would be 2800mAh at 8.4V, for $22 you are close to $12 pannovo and $10 for a pair of 2600-2800 Sanyo or maybe Panasonic cells and the killer weight will be about 1/4 of the 8 cell pack. I bought a light that came with a pack of ~700mAh cells inside, I wrote to the seller, then I got a better pack, but still ~1100mAh cells inside.

  80. #380
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    Modig did you buy these optics as well?

    15, 45, 60 degrees Lens for CREE XML XM-L LED - LEDDNA

  81. #381
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    Quick question. What size is the small front hex screw for the duo and its clones and where is a good source to to pick up the tools?

  82. #382
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    Quote Originally Posted by eggdog View Post
    Quick question. What size is the small front hex screw for the duo and its clones and where is a good source to to pick up the tools?
    1.5mm allen, I have a few Bondhus Allen sets. Better hardware stores should carry them, or an equivalent.
    Front Range Forum Moderator

  83. #383
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    Quote Originally Posted by Modig View Post
    Just a small post to confirm that the optics from LEDDNA are a perfect fit. I swapped one of the lenses in each of my two Yindings. One for more spot and one for more flood. Will get out to evaluate and see if I'll change the other one as well.
    Click image for larger version. 

Name:	yinding_mod.jpg 
Views:	766 
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ID:	855848
    Cheers
    /Johan
    I just received the same 10 deg optics. Do yours fit "over" the led? Mine rest pretty tight on the led, and as hot as these things get I assume that might melt the optics. How are yours fitting. I tried it on a clones as well as the original duo with the same results.

  84. #384
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    eggdog - take one of your existing screws to Ace Hardware as they have a pretty good selection of hardware (Green Mountain Ace since I believe you are a Front Ranger). Find the metric nuts and try to find one that will thread onto your screw, that will tell you the size and thread pitch. If it is the screw end that is stripped, then put the screw shafts side by side and find one that the threads mate up (interlace) with each other. This will get you the correct thread pitch. I am suspecting it is something like a 4mm with a .7 thread pitch, but I am just guessing based on the photos I have seen.

    ****

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    If any of you guys happen to get part numbers/relevant info on the bolts please put it here - I think many will agree it would feel good to have a spare set just in case.

  86. #386
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    Quote Originally Posted by MegaVolt View Post
    If any of you guys happen to get part numbers/relevant info on the bolts please put it here - I think many will agree it would feel good to have a spare set just in case.
    The bolts aren't the problem, a spare set of holes is whats required. These are somewhat harder to find at the hardware store.

  87. #387
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    Quote Originally Posted by znomit View Post
    The bolts aren't the problem, a spare set of holes is whats required. These are somewhat harder to find at the hardware store.



    ****

  88. #388
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    Quote Originally Posted by znomit View Post
    The bolts aren't the problem, a spare set of holes is whats required. These are somewhat harder to find at the hardware store.
    When I had a bolt break off in a Cateye I was messing with - I drilled out the bolt and put in a helicoil. Solved the problem, but you do have to buy the kit:


    Tap, Installation Tool, and 12 Inserts Per Kit for $30

    And a drill bit (not in kit) of the size spec'ed in the kit.

    You do have to find out the size/pitch to get the right kit, but here's 4mmx0.70 NC
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

  89. #389
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    You need to verify the actual thread size and pitch. I was just guessing based on pictures.


    ****

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    Anyone tried any carclo optics in these? The carclo optics appear to be 20mm x 10 mm which seems to be close to spot on with the size of the optics as measured on page 3 of this thread.

  91. #391
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    Quote Originally Posted by scar View Post
    You need to verify the actual thread size and pitch. I was just guessing based on pictures.


    ****
    Ha! Since I finally received my lights from DX, I checked a screw with my calipers: 2mm. Looking up pitch, it's either coarse (0.40) or fine (0.25). Kinda looked like 0.40 (width of one thread), but that was just a quick look. Helicoil lists a kit for M2x0.40
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

  92. #392
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    Ok, so I got 2 YINDING YD-2XU2 DuoClones -
    and 10/45/60° lenses from LED-DNA via ebay:
    Diameter : 21mm
    Height : 12.5mm
    Lense Material : PMMA
    Lense Holder Color : White
    Holder Material : ABS

    The white plastic "holder" snaps off, and is not used. OEM lense is expected to be DuoClone as well, nominal 15°.

    No pics of lenses installed but somebody else did that. The 10° and OEM 15° look very similar, with the 15° having a bigger "hole" thru the middle. 45° and 60° are difficult to tell apart just looking at them.

    Beam shots! I tried to approximate the setup from the 2013 MTBR bike lights shootout tunnel beam patterns
    Cinder blocks at 20/40/60 yards, and a 55 gallon drum at 80 yards.
    My camera setup was: (I note that this is the first time I've tried using the camera in anything but "point-N-shoot" mode, so could be better)
    Camera: Canon SD870IS
    Setting: Full manual
    ISO: 200
    Exposure Compensation: +1 2/3 (1.6 seconds?)
    Aperture: F4.0 (I think - saw this displayed at one point)
    White Balance: Daylight
    Flash: off
    Metering mode: evaluative

    All shots at highest light power. I also did a 25 yard "side of shop" setup, but at that range there is little to no difference between lenses.

    Aim point was approximately the 20 yard cinder block for all.

    10° lense:
    Gemini Duo clones-img_4738s10d.jpg

    OEM 15° lense:
    Gemini Duo clones-img_4747soem15d.jpg

    45° lense:
    Gemini Duo clones-img_4744s45d.jpg

    60° lense:
    Gemini Duo clones-img_4741s60d.jpg

    Looking at the pics, the OEM 15° and 45° lenses reach almost as far - but there is no "spot" to the 45°, it's all even light.

    Both the 45° and 60° lenses really spread to the sides, which is not apparent with this framing. The 60° goes farther to the sides, as it should.

    The 10° lense gives good reach, and mounting it on the helmet and combining with the 60° lense on the bars gives a good field of light from the front axle out to 80 yards. I took a series of pics with this combo - but I must have bumped the camera mount because the pics were off to the side, not showing much of value. I was worried about intensity/color difference between the spot and flood (based on some halogen experience where the flood needed to be 20W to balance a 15W spot), but this didn't appear to be a problem in the static setup. I'm planning a New Year's Eve nightride tonite using the 10/60 combo, so I'll report back after that.
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

  93. #393
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    I myself am away from home and I don't have my Yinding on me now. My threads seemed to be ok but the heads of the screws were worn out - maybe because the seller replaced stock leds with T6 ones.

    I am not so sure I would be able to safely unscrew and then tighten these screws back in the future, and I did have plans - like, adding a remote button. Would be nice to get a spare set with a torx head instead of a hex one.

    So if anyone manages to get the sizes of these screws (thread, pitch, length, head diameter) I'd greatly appreciate that.

  94. #394
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    is it possible to buy the Yinding lighthead only somewhere? I already have a bunch of batterys and chargers and would like to have another Yinding lighthead only...

  95. #395
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    Quote Originally Posted by wadester View Post
    10° lense:
    Click image for larger version. 

Name:	IMG_4738s10d.JPG 
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    I've also received those lens and can also confirm that those 10° has a spottier beam than the stock 15°, I like the beam pattern much more. Recommend.

  96. #396
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    I got out for a ride on New Year's Eve - using the 10/60 hat/bar combo. Started out at twilight, low worked fine. As dark came on, I turned them both up to mid level - which worked well enough that I didn't try high at all.

    I've promised to take pics of the 10d lense fit in the housing/on the LED - but I haven't been near my 1.5mm allen wrench with time available as yet.

    I also plan to take a pic of the 10/60 combo in the style as before.
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

  97. #397
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    I currently got my Yinding from Wallbuys. Wow, so tiny and sooo bright!

    I found out, that my light got a different cable, that apparently doesn't match a Magicshine extension cable.

    Left is the light, right the battery pack.





    As I want to change to a better battery in the near future I am looking for a Yinding that matches a Magicshine cable. To those that have a Yinding with Magicshine-style plugs, whery did you buy yours?

    Thanks in advance.

  98. #398
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    I think the currant batch of yinding lights have the same connector you've posted. I got mine from fasttech and its the same as yours

  99. #399
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    I have the Original Gemini Duo and a clone that was purchased for Ali Express, and both fit the Magicshine battery connections just fine. Although the clone from Ali Express came with stripped screws so be aware from this reseller.

  100. #400
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    I had a chance to take the lights back apart to check clearance today. And found that in the process of swapping lenses backNforth the other night I managed to put a set of OEM's back in the hat light. Since they worked well on the trail, I look forward to hotter spot of the 10d's on the next ride.

    Here's the lenses just sitting in the housing:
    OEM's
    Gemini Duo clones-img_4769s.jpg
    10d's
    Gemini Duo clones-img_4774s.jpg

    Two things to note - 1) there is no gap between the lenses and the housing. They are not touching the LED's, and in fact will move around side to side if you push them (just a tad). I verified this with some depth measurements - but the pics didn't come out. About 0.5mm clearance with both lenses.
    2) note the thickness of the flange on the OEM, and the thinner flange on the 10d. With the cover on and tight, you can shake the light and hear the 10d's rattle a bit. The 60d lenses have a thicker flange and do not rattle.

    Clearance around the LED's:
    OEM's
    Gemini Duo clones-img_4768s.jpg
    10d's
    Gemini Duo clones-img_4776s.jpg

    The smaller hole in the 10d's still leaves the LED and it's bubble lense clear. A bit of the corners of the LED package are obscured - but as above, they are not actually touching.
    This isn't a "you're doing it wrong" topic.

    WSS/OSS: Open Source Sealant

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