quad xpl bike light, not sure of lumens, comments/critizism welcome.- Mtbr.com
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  1. #1
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    quad xpl bike light, not sure of lumens, comments/critizism welcome.

    4 Cree XPL, H supposed to be 1150 lumes each. buck puck 1000mah, 14.4 battey, 2 carlo med spot in medium in middle 2 carlo wide spots on outside.

    not sure what the final lumen output would be, not an electrical engineer, just faking it.

    if you can figure it out, let me know.

    i dont like my toggle switch, seems delicate. any suggestions on different switch im all ears.

    last light i made was 8 years ago,

    thanks

    sean
    Attached Thumbnails Attached Thumbnails quad xpl bike light, not sure of lumens, comments/critizism welcome.-20181125_095151.jpg  

    quad xpl bike light, not sure of lumens, comments/critizism welcome.-20181125_095201.jpg  


  2. #2
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    Been a long time since anyone has posted a pipe cap and hobby box build. Buck puck too.

    Depending on the tint and bin of your XPL-Hi emitters, at 1000mA you're going to have at most a bit under 2000 lumen at the emitters. Optic losses will drop that to ~1700.

    The XPL-Hi is rated at 3000mA so you have room to bump it up with a better driver.
    GoPro adapters for bike lights http://www.pacifier.com/~kevinb/index.html

  3. #3
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    Thanks Vancbiker, 1000mah driver is the biggest one I saw. Also, my battery is 3500 mah so I was thinking it would be bright enough for a long time (long night ride, with getting lost or mechanical) Do they make a 1500 mah driver? maybe a happy medium?

    thanks again.

  4. #4
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    Been about 7 years since I last used a buck puck so I don't know what they have anymore. The high setting on my dual XML-Hi light is 3500mA with a Taskled LFlex driver. It's around 2000 lumen at that current but I only use the high setting on fast sections.

    At the current you are driving you are the sweet spot for output versus current draw. Notice that I have to run more than triple the current on 2 LEDs to barely exceed the output you are getting with 4 LEDs.
    GoPro adapters for bike lights http://www.pacifier.com/~kevinb/index.html

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