Recent content by daq

fenix-store
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    Help finding best front flasher - EOS or something else?

    The Fenix L1D-CE (or L2D-CE) may suit your needs. My only complaint is that is flashes too fast (IMHO). I think the "ideal" flash rate is 2-4 times per second, the Fenix is ~8x per second.
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    Fenix L2D-CE Comparison Review

    Once again, thanks for your excellent work Vincent. I got my L2D-CE 2 days ago and am very pleased with it. I did unscrew the head a bit to minimize the darker ring around the hotspot. Right now, I have it mounted on my bike helmet. I use "turbo" mode when riding, either steady when it's...
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    Fenix L1D-CE Comparison Review

    Thanks for the L2D beamshot Vincent. Also, thanks for the tip to unscrew the reflector for adjusting the beam pattern. I _really_ hope my L2D comes in the mail tomorrow. :) Dale
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    Fenix L1D-CE Comparison Review

    Thank you very much Vincent. I appreciate the work you put into this. Looking forward to the comparison of the L2D-CE with P1D-CE. Dale
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    Pretty simple DIY XR-E bike light

    Thanks for your observation Chris, Your experience matches what I was hoping/expecting to get out of the light (about the equivalent of 20W halogen). In some ways, I'm surprised my light works at all because I'm certain that I abused the LEDs with my lack of soldering skills. Several times I...
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    CREE XR_E Question (s)

    Hi Bikecop, Nightrider is quite the inspiration, isn't he? :) He pushed me over the edge to do my first homemade light too. I feel your pain. It sounds like you're soldering the emitters like I did. 1) I never lost the dome, I don't know what to suggest. 2) I ended up using 24 AWG stranded...
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    ...NEW Princeton Tec cycle light ....

    Sorry, double post.
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    ...NEW Princeton Tec cycle light ....

    You have to love marketing, "high, up to 113 meter range". I just built a 3x Cree XR-E and on fresh batteries at 810 mA, I'd estimate it *might* have a range of 113 *feet*.
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    Pretty simple DIY XR-E bike light

    Here are some finished photos. You may notice that I didn't use the 3/4" conduit hanger to mount to the handle bars. I had a mount from a little 2.4W 4AA light that was easier to install and adjust so I used it. Yes, direct drive is not an optimal solution. This is my first homemade light...
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    Pretty simple DIY XR-E bike light

    Here are the results of my run-time testing. Batteries: 8x Titanium 2000 mAH Charger: Titanium V4000 4 batteries were completely charged, and the other 4 were almost completely charged. Time mA Approximate Lumens* 0 810 394 10 690 356 20 610 326...
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    Pretty simple DIY XR-E bike light

    Nightrider, I'm glad you saw my post. Obviously, I owe you a great deal of thanks. Thank you! When I was bending the angles, I went a little "light" so the angles are probably about 6 degrees. I thought I could bend more later, but that really wasn't do-able. Here's a white-wall beamshot...
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    Pretty simple DIY XR-E bike light

    luminari, I really like the bFlex and the new UI specific to bikes. To be honest, I just couldn't figure out how to mount the bFlex easily/robustly. This turned my thoughts to direct drive and I was lucky enough that a pretty reasonable combination of Crees and NiMH AAs came out "even"...
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    Pretty simple DIY XR-E bike light

    * Alternative ideas If there is a next time, I think I'll build a 4x Cree XR-E using the same Ledil optics and the copper heatsink/riser (in a square 2 x 2 array). I'll cut my 1" x 2" rectangle aluminum to to expose a 2" "face". (This will need a 1/8" spacer, or you can get the 1/8" thick...
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    Pretty simple DIY XR-E bike light

    * Things I would have done differently I clipped the corners of the XR-E's to isolate the bottom pads from the electrical paths. Next time, I'll just drill a hole a little bit into the ceramic with a bit that is just larger than the via. This will break the connection with the bottom pad but...
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    Pretty simple DIY XR-E bike light

    * Build process
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