LED Lighting

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Freddyflatfoot
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Joined: 07/13/2007
Points: 17

I'm thinking of converting one of my older kryton lights to 12v LED, and then running a 12v light system off one of my 12v batteries.
Has anyone had any experience doing this and can recommend a particular LED?
Guess I'm considering a Luxeon or similar, or even a 12v car globe, that may fit inside my original housing. (its am older Cateye, EL 400, I think)
Also thinking of a permanently mounted 12v LED rear light as well.
Rob

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Ludwig
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Joined: 01/22/2007
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Re: LED Lighting

`Freddyflatfoot ,
Just wanted to welcome you to V is for Voltage Community. If you need any help don't hesitate to ask.

Bernie,
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Ludwig,
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Cap
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Joined: 07/16/2007
Points: 1
Re: LED Lighting

Hi Freddy -

I've recently been looking for something similar and found an interesting solution here: http://www.instructables.com/id/EETR2RMF0X27XTM/

I've been playing around with a few sample Luxeons this week, and they're certainly as bright as advertised! Can't compare them to the competition, though.

Not sure about the best/cheapest way to get from 36/48/72v down to 12, either...

chas_stevenson
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Joined: 12/06/2006
Points: 1309
Re: LED Lighting

Several of the members are using the Lucent JW030-Power Module to get to 12-volts. The wiring digram for this module may be found on our EV DownLoad Library.

Chas S.
My Bicycle Pages

Gman
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Joined: 11/20/2006
Points: 1720
Re: LED Lighting

``Cap ,
Welcome to our V is for Voltage Community, I'm also looking for some better lighting. In my case I need to make sure my system will handle it. Since I also have a Alarm system I want to install, another hooter (Horn) I'm was seriously looking at something like what Chas is talking about..
I was planning to run the Alarm off a separate very small 12 Volt hidden battery, but a system like the one you found looks very interesting. Thanks for the tip, I'll look into it.

Peace Out,
Gman

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echuckj5
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Joined: 11/29/2006
Points: 394
Re: LED Lighting

This here is a chart that shows lumens per watt,

http://nordicgroup.us/s78/wattslumens.html

I studied quite a few places, overall I think that the MR-16's are more efficient than led's.

I am using 24 volt MR-16's at 20 watts each, 2 on the front are more than enough light to drive by at 25 mph.

12 volt MR-16's are available just about anyplace that sells light bulbs,

Just another option for ya

chuck

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echuckj5
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Joined: 11/29/2006
Points: 394
Re: LED Lighting

This here tells you a lot about building a led headlight, took me awhile to find it.

http://www.instructables.com/id/E2K9BN5EDKEUBYRD9V/#previewlink

Kinda walks you right thru the process

chuck

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