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  1. #1
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    Time for a new light build

    thought it was time for a new light now the nights are drawing in








  2. #2
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    Nice,

    Looks Regina sized.

    Can't wait to see it locked and loaded.

  3. #3
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    That swarf sure does get evey where!!!
    Thought you had been a bit quiet recently.....obviously busy in the shed planning your next creation!


    Beamshots????????

  4. #4
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    Quote Originally Posted by bumphumper
    That swarf sure does get evey where!!!
    Thought you had been a bit quiet recently.....obviously busy in the shed planning your next creation!


    Beamshots????????

    beam shots could be a while away .
    but it will be a bit bright

  5. #5
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    To the untrained eye, that looks like four regina with enough space to cram in six carclo squares!!!! wtf????????

    Welding goggles at the ready...

  6. #6
    help with the zip please
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    Will be watching this one!

    BTW that garage is looking very clean / uncluttered

  7. #7
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    Got bored?

  8. #8
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    Quote Originally Posted by bumphumper
    To the untrained eye, that looks like four regina with enough space to cram in six carclo squares!!!! wtf????????
    .


    Nope though there are a couple of reggies going in

    Quote Originally Posted by Brianmc
    Got bored?
    Yep just a little .

    Quote Originally Posted by Emu26
    BTW that garage is looking very clean / uncluttered
    Yep very Tidy at the moment


  9. #9
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    thats one combination but I am drawn to 6 Reginas and 2 triples or quads all XPGs
    st the triples for flood and the regies for throw .

  10. #10
    Drinkin' the 29er KoolAid
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    Handlebar heatsink

    Looks like it will use a handlebar as part of the heatsink with a cutout for the stem in the middle?

  11. #11
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    That's going to be one nasty bit of business when running full out.

  12. #12
    Bigger is better!
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    Quote Originally Posted by odtexas
    That's going to be one nasty bit of business when running full out.
    ..and have a quite nice beam pattern methinks

  13. #13
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    Ha ha this is going to be funny

    I have made the call for it to be 6 XPGs and Regina`s along the top
    and 2 triple XPGs at the bottom .

    Have gone finless as trying to keep it low profile
    And there seems to be a fair amount of surface area .

    Battery could need to be a monster if full power was ever used . Just need to get some
    Reginas ordered from Bram .

    One of those lights that will be totaly overkill I am guessing .

    12 XPGs @ 1 amp 350 lmns each so 4200 lumens











  14. #14
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    Sweet looking cover there. You could always make a cover with finning if needed. That is a nice thing about having the cover, it allows for easy access and design changes on the fly.
    Really is looking good. Thanks for sharing.

  15. #15
    help with the zip please
    Reputation: emu26's Avatar
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    Have you found any stars that suit the regina pins yet?

  16. #16
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    Okay troutie...so the light is nice...don't let me steer this thread too far off course...but how bout a few more pic's of the Ragley?!! Loving that!

  17. #17
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    Quote Originally Posted by odtexas
    Sweet looking cover there. You could always make a cover with finning if needed. That is a nice thing about having the cover, it allows for easy access and design changes on the fly.
    Really is looking good. Thanks for sharing.

    Cheers odtexas had quite a bit of fun designing it on the fly and filling the garage with chips .
    I think it is looking a bit like a grand piano

    Stu nope I will be using leds I have in stock on 10 mm square boards
    and there may be a bit of carefull aiming of each regina to spread the hotspot a littile .

    Chelboed
    Loving riding the mmmBop heres a pic though a bit muddy .



    the frames are on special offer at chainreaction 150 ish
    insane price for a great frame even with my fat tyres it is only 27.5 lbs

  18. #18
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    Hi Troutie..
    How much would one of those lathes set me back?

    Did you cut the this light head only with this lathe?

  19. #19
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    Quote Originally Posted by Goldigger
    Hi Troutie..
    How much would one of those lathes set me back?

    Did you cut the this light head only with this lathe?

    Got it from here http://www.rdgtools.co.uk/acatalog/M..._Machines.html

    Yes it was all hacked out on this mill

    but what makes a real difference to how easy it is is to get good Carbide cutters .
    and these can cost a fair bit

  20. #20
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    Think I may have cocked up

    I have had a blond moment and for some reason had it in my mind thay it was going to be six reginas but its only five




    now a maxflex runs the 2 triples and it was going to be another maxflex for the six but now 5 reginas .

    just checked the voltages and the 2 triples are 19.6 @ 1 amp .

    the 5 others are 15.8 @ 1 amp .

    is this going to cause me any issues using a maxflex for the 5 leds from the same 15 volt pack which will be 16.8 new off the charger .

    or should I just wait till some juice has gone before switching on the 5 leds .

    or should I use my 18 volt pack from my drill which is just over 20 volts freshly charged . and use a buck for the 5


    also using 2 differing drivers connected to the same battery but drawing a different current will that be OK


    or another option as there is room would be to split the 2 triples and us a buck driver each and a buck for the 5 .
    and then use the 18 volt drill pack

    sorry for the ramble

  21. #21
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    Quote Originally Posted by troutie-mtb
    is this going to cause me any issues using a maxflex for the 5 leds from the same 15 volt pack which will be 16.8 new off the charger .
    Yes, that could be a problem. When the input voltage is higher than the output voltage on a boost regulator, then current will feed straight through unregulated and could damage the LEDs. You can get away with a tiny bit over because of the voltage drops in the reverse protection fet, the inductor, and the feed foward diode, so 1V over may be ok but it's a little bit of a gamble. If you're going to try that, use your variable power supply and very slowly turn up the voltage while watching the current. If it settles out less than the 1.5A limit for the XPGs you may get away with it.

    but, if someone accidentally plugs in a battery with a little higher voltage, like your 18v drill pack, it'll pretty much instantly fry the 5 led string.

    Quote Originally Posted by troutie-mtb
    or should I just wait till some juice has gone before switching on the 5 leds .
    You could do that, but it'll be tricky to know when it's "safe"

    Quote Originally Posted by troutie-mtb
    also using 2 differing drivers connected to the same battery but drawing a different current will that be OK
    Completely safe.

    Quote Originally Posted by troutie-mtb
    or another option as there is room would be to split the 2 triples and us a buck driver each and a buck for the 5 .
    and then use the 18 volt drill pack
    I really like the characteristics of a buck over a boost regulator, so I think this is the best option.

    Edit: misread the voltage so corrected the first answer.

  22. #22
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    ...A great idea here! Make sure the top is covered with non-stick Teflon...Make your own grilled cheese sandwich while on the ride. ... ...

  23. #23
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    Cheers MtbMacgyver

    Yes may go with the three cheap buck and save the 2 Maxflexs at the expense of no dimming apart from switching off some leds via the 2 switches .

    another question

    on the bucks I have they can be dimmed by switching in a resistor
    can I use 1 switch and resistor to dim 2 of the drivers
    it switches a control with the negative on each driver

    Cat Have you been drinking

  24. #24
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    If you use a DPST (double pole single throw) switch and two resistors, then there shouldnt be a problem.

    Looks like the beamshots wont be long now!!!!

    edit: might have my singles and doubles the wrong way round! (sorted thanks to Wiki)

  25. #25
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    Quote Originally Posted by bumphumper
    If you use a DPST (double pole single throw) switch and two resistors, then there shouldnt be a problem.

    Looks like the beamshots wont be long now!!!!

    edit: might have my singles and doubles the wrong way round! (sorted thanks to Wiki)


    Ta Bumpy I never thought of that , But anyhow it is a project useing bits in stock so reluctant to buy anything except the Reginas which should be here soon I hope .

    OK went with the 3 cheap Bucks and no dimming as yet but put the link wires in just in case there the white ones . .

    it is also a right mix of cold white xpgs and natural white xpes so dont know what the end result will be
    plugged in a 15 volt battery and the triples were great but the 5 was a bit dim so will need the drill battery
    draw on the bench power supply at 18 volts is

    2 triples 1.18 amps
    the 5 870 ma

    both together 2.07 amps





    and sat as is on the desk it warms up fast with them all on .

    will see when the piano lid goes on
    Last edited by troutie-mtb; 08-23-2010 at 03:18 PM.

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