A Non-friction bicycle lights generator (dynamo)

In this new generation bicycle light system, no battery is needed, no
friction on any parts of the bicycle. The lights flash regardless speed
of the bicycle and weather conditions (unlike normal dynamos!). Very
bright.

It can be used as a stand-alone light system (as a normal dynamo) on
your bike, or used as a back-up for your existed battery-powered lights

All details and buy on-line: http://www.freelights.co.uk

wrote:
In this new generation bicycle light system, no battery is needed, no
friction on any parts of the bicycle.

Bugger me, it's perpetual motion!

On Mon, 31 Oct 2005 17:01:00 +0000, Zog The Undeniable
wrote:
wrote:
In this new generation bicycle light system, no battery is needed, no
friction on any parts of the bicycle.

Bugger me, it's perpetual motion!

No it's not. Just because there's no friction doesn't mean there's no
resistance. In this case, it's electromechanical forces generated by that
open dynamo they manufacture and have spammed for on this group before. It
*is* essentially a dynamo with the magnet spokemounted instead of spinning
inside the coils through a mechanical linkage. The asking price for the
stuff is quite reasonable. If you mount more than one of their magnets on
your spokes you might get a bit more effective power. Wouldn't want to use
a cadence or rear speed sensor though.

Jasper

Zog The Undeniable wrote:

wrote:
In this new generation bicycle light system, no battery is needed, no
friction on any parts of the bicycle.

Bugger me

Can't we just have a quiet dinner, maybe a glass or two of wine, and
see where it goes from there??

Men. Geez.

--
Live simply so that others may simply live

Neil Brooks wrote:

Zog The Undeniable wrote:

wrote:
In this new generation bicycle light system, no battery is needed, no
friction on any parts of the bicycle.

Bugger me

Can't we just have a quiet dinner, maybe a glass or two of wine, and
see where it goes from there??

Men. Geez.

I think I finally understand why Bill quit riding with you... ;-)

Mark "not that there's anything wrong with that..." Hickey
Habanero Cycles
http://www.habcycles.com
Home of the $795 ti frame

wrote:
In this new generation bicycle light system, no battery is needed, no
friction on any parts of the bicycle. The lights flash regardless speed
of the bicycle and weather conditions (unlike normal dynamos!). Very
bright.

It can be used as a stand-alone light system (as a normal dynamo) on
your bike, or used as a back-up for your existed battery-powered lights

All details and buy on-line: http://www.freelights.co.uk

Don't know about the lights, but where do you get that really cool
bike? By the way, I have a solar led flashlight and one that charges by
cranking it up with a lever for a minute or so. Got them at some cheap
store like dollar general. don't even need the magnet and the
cables....just some duct tape around the bars.

Andres

Jasper Janssen wrote:

It
*is* essentially a dynamo with the magnet spokemounted instead of
spinning inside the coils through a mechanical linkage.

The magnet on the spoke isn't what generates the power. The spoke
magnet flips another magnet inside the generator, making a current
pulse. This flipping action is what makes the thing work even at low
speed, when you wouldn't get anything out of a spoke magnet. It's
actually pretty clever, especially compared to most spam topics.

--
Ray Heindl
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