Electric dirt bike

[smoky]

How about this then;

This guy called Saiki has made an electric dirt bike. Weighing less than 120 pounds. Because of the inherent properties of electric motors, the bike is faster than similar gas-powered ones.

The motor requires very little maintenance and uses no gas, oil or transmission fluids.
The bike sells around the same price of comparable 250cc bikes on the market.
A street version will come out in a few months. Could be worth looking at – is there life after petrol?

Saiki also helped create the first successful human-powered helicopter, unfortunately one of the test pilots got tired!!

[trumpy]

Mmmmmm........my experience of dirt bikes has been a little more visceral. The noise is part of the deal. Nothing like standing in a trailride car park and listening to the sound of a CR500 being caned hard thru the forest (with a CRF450 in hot persuit)....magic.

[Steam]

http://zeromotorcycles.com/specifications.htm

nice fast jump

[Rosie]

Nothing like standing in a trailride car park and listening to the sound of a CR500 being caned hard thru the forest (with a CRF450 in hot persuit)....magic.

Being very very quiet would be useful for, say, nighttime urban trials practise

[trumpy]

Being very very quiet would be useful for, say, nighttime urban trials practise

Goodness! Whatever do you mean...??

Steam: nice jump but it still sounds like a mountain bike.....

[smoky]

Steam: nice jump but it still sounds like a mountain bike.....

I ride my road bike with the visor open a bit just to hear my bike.
I guess we could put something on that clicks on the spokes as you ride along.

[Rosie]

Steam: nice jump but it still sounds like a mountain bike.....

Hmm, mountain bike. Another use for a very quiet dirtbike springs to mind.
But I wouldn't be able to ride one, the seat it too high