New magnetic dynamo for lights

BATFINK

10 kW
Joined
Aug 7, 2011
Messages
598
http://www.earthtechling.com/2012/02/this-dynamo-bike-light-wont-slow-you-down/?utm_medium=referral&utm_source=pulsenews

Powerful enough to power Cree led :)

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Could save a little juice and reduce amount of wires to your battery pack too
 
GrayKard said:
BATFINK said:
Could save a little juice and reduce amount of wires to your battery pack too

Less wires yep, but you will use more power as you are converting from electric to mechanical to move the bike, then the dynamo is converting from mechanical back to electric to power the lights.

Extra conversion = wasted power.

Gary

Thanks you! no energy is free.
 
This seems to be a great invention for the regular human powered bike. I would rather save that energy to power my bike a bit more and deal with flashlights. : ) If I had the money, I would back them up!

Here is the link to the kickstarter websites if anyone wants to support them

http://www.kickstarter.com/projects/dynamodirk/magnic-light-get-new-energy
 
Really strong product.

Because it's friction free, we should be able to mount 10 magnet light in the bike wheel to charge our batteries and have unlimitted bike range :lol:
 
Actually it already exist for bike since a while:
http://www.lecyclo.com/velo/securite/eclairages/sans-piles/feu-avant-et-arriere-continu-sans-pile-rl770.html

It's however not very powerful:
[youtube]http://www.youtube.com/watch?v=xHLJX45oIa0&feature=related[/youtube]
 
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