Postby znomit on Wed 9/Jul/08 9:47pm

Sweet! The individual up/down adjustment is cool.
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Postby Datsane on Wed 9/Jul/08 10:48pm

Very cool.
How have you joined them?
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Postby SlackBoy on Wed 9/Jul/08 10:55pm

I'm guesing hollow bolt, seeing how thick it is. That how I'm thinking of doing mine. Most likely a front q/r axle for mine
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Postby Datsane on Wed 9/Jul/08 11:00pm

I was guessing the same thing, but its a guess.

I would like to do the same with one of the lights that I have.
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Postby plummet on Wed 9/Jul/08 11:25pm

yep its a hollow thread rod in alluminium. i looked around for such a thing but couldn't find it so i made it out of some rod. center drilled the id to around 4.5 mm and cut a thread on the od. its 3/8 by the 9.5mm. I then couldn't find the right size thin pressed nuts so i had to drill and tap those.

yep individual adjustment is cool. it means you can set the lights to have a far better spread for the same light output than fixted multiple led's.
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Postby znomit on Wed 9/Jul/08 11:39pm

Motorcycle indicator stalks, ideal.
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Postby k14 on Thu 10/Jul/08 12:28pm

Very nice lights, thinking of doing a similar thing myself. Good info on the optics, was unsure what combo to go for.

What size tube did you use and where did you get it from?
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Postby plummet on Thu 10/Jul/08 5:54pm

25mm x 3mm wall alum tube from alrich.then drilled the front and back out to fit the lenses and the backing plate (20 cent piece).

yep i like the flood/bike spot/head options. if you wanted bike only then yourd probably want flood/spot. helmet only spot/spot.

i stagered the spots to give a better spread. 10.5 deg closer and 8.5 further away.
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Postby swtchbckr on Mon 21/Jul/08 4:49pm

i could wade back into this thread way way back and probably find the answer to this... but.

has anybody tried the brightlight.co.nz 3 watt beasties. they're made by OptiLED
i thought this ceramic 3W with 10deg spread might be a go...
see here
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Postby danose on Mon 21/Jul/08 4:57pm

swtchbckr wrote: i could wade back into this thread way way back and probably find the answer to this... but.

has anybody tried the brightlight.co.nz 3 watt beasties. they're made by OptiLED
i thought this ceramic 3W with 10deg spread might be a go...
see here


spec sheet reckons only 55 lumens though - pretty pathetic :(

the 5W 'super star' is a bit better - 200-225 lumens - but no great given it's power consumption (presume you're looking for something to easily retrofit to a mr51 halogen)
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Postby swtchbckr on Tue 22/Jul/08 9:08am

yeah, have been interested in fitting in my current halogen set up.
trouble with that superstar is its a 75 deg spread...
and this beast throws 235 lumens, but it also drains 3 watts on a fan!

so, were i to look for something that would retrofit, where am i best to look, oh great and knowledgeable ones!? there somewhere in chch that sells a 5 to 10 watt LED with a narrow spread that'll slide on into my homebaked halogen set up???
how many lumens would my current 35w IRC halo be?
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Postby Datsane on Tue 22/Jul/08 1:25pm

Sadly enough I'm going to say try Cutter.
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Postby swtchbckr on Tue 22/Jul/08 3:15pm

Datsane wrote: Sadly enough I'm going to say try Cutter.


so... um. one of these?
http://www.cutter.com.au/proddetail.php?prod=cut795

or what would one of these
http://www.cutter.com.au/proddetail.php?prod=cut744
or
http://www.cutter.com.au/proddetail.php?prod=cut603
or the SoL? 200lumens
http://www.cutter.com.au/proddetail.php?prod=cut822
be like?

??? ex spurts ???[/url]
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Postby znomit on Tue 22/Jul/08 3:36pm

The mr11/16 replacement units are not bright enough and have poor efficiency anyway. You really need a new housing because halogens like heat and LEDs hate it. They aren't hard to build. Bikeled.org is a good start. Candlepowerforums and MTBRforums have good bike light sections.
For a 35w replacement you want three good LEDs at 1A.
Good stuff here
http://www.cutter.com.au/proddetail.php?prod=cut757
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Postby swtchbckr on Tue 22/Jul/08 3:56pm

now, THAT is good.
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