Join Date: Aug 2006
Location: Mississauga, Ontario, Canada
Bikes: Gary Fisher, Strong GT-S eBike
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Actually, that's not new. Several regen braking systems have been don in the past. Some using coil springs and the best, in my opinion, using a flywheel in a vacuum.
The flywheel in a vacuum was really sweet because once the energy from the braking was stored in the flywheel, it would spin really fast and that spinning effect for give the bike/rider the gyroscope effect. This gyroscope effect would keep the bike upright at standstill.
So here's a breakdown of what happens:
1 - Rider is riding his bike and is about to come to a halt
2 - Rider presses brake
3 - Energy from an electric motor (running as a generator) is picked up and used to spin the flywheel.
4 - As the flywheel spins in it's vacuum chamber there's very little loss of energy because of the super low friction teflon coated bearings.
5 - Bike is brought to a halt. The spinning flywheel generates a gyroscope effect which keeps the bike upright. The rider doesn't have to put his feet down.
6 - When the rider wants to start back up, he releases the brake
7 - Energy from the spinning flywheel is sent to the motor to propel the bike forwards.
8 - Flywheel stops spinning once energy runs out, gyroscopic effect is cancelled and the rider can now lean into the corners without resistance.
Last edited by Zeuser; 09-19-08 at 12:42 PM.