[LAU] A crazy idea

Jonathan Gazeley jonathan.gazeley at bristol.ac.uk
Thu Mar 4 05:31:28 EST 2010

On 04/03/10 10:24, Julien Claassen wrote:
> The mighty exhaust pipe speakers sound even better. But while we're at 
> it. There are those game controls for your chair, that can vibrate and 
> probably siomluate some other shocking experiences. Why not integrate 
> that in the settle?

Not sure that's necessary - the roads around Bristol are bumpy enough as 
it is!

> Wait a second: How powerful do you need to be to drive all these 
> gadgets with the dynamo?

I once calculated approximately that when I'm cycling hard up a gentle 
hill, I can probably develop a peak power of around 300W. Maybe this is 
more like 100-150W sustained power.

Assuming that most of that power goes into forward kinetic energy, I 
don't know how much I could tap off to run my on-board synthesiser, 
gaming chair, amp, speakers, headlights, and champagne cooler.

Maybe I should fit a generator?

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