Custom builds or home-built electric motorcycles

I am once again tinkering with the idea of building my own scooter.

I was thinking using this motor and the controller and throttle they suggest
http://tncscooters.com/product.php?sku=106175

But the question is what size scooter to use? I know someone that might let go of a 110CC Pocket rocket, but outside of that what you use?

hi
anyone wish to weigh in on this design idea?
I want to use an older Kawasaki KZ400 motorcycle for a conversion (see my blog 'Electro-saki") and want to use the DC motor to spin the crankshaft (minus the rods, pistons etc.) to be able to use the 5 speed gear box.

The gearing from DC motor to crankshaft is what I'm wondering about.

any thoughts?

-Jeff

Apparently there's been quite a bit of coverage about this, I found it on AutoblogGreen and it got listed on TreeHugger as well. Eva Hakansson has some association with the Killacycle team and has built her own electric motorcycle (with her fathers help).

http://www.evahakansson.se/
http://iloapp.evahakansson.se/blog/www?Home&post=4
http://photos.evahakansson.se/

Hello there, I've been reading a bit on this site and figured I should join in. I'm currently constructing an AC induction bike using a 1991 Yamaha FZR 600 rolling chassis with plastics, 24 50Ah LiFP cells in series and a Curtis 500 amp controller. I know the controller is oversized, but it will run cool and it is what I ended up with, lets just leave it at that. I have not yet procured the charger but I plan on getting Hipower's quick charger at 72V and 10-15A. I'm also in the midst of doing a bit of esthetic customizations I think you will all enjoy.

Building the XP-HUMM-E

http://www.youtube.com/watch?v=3_-YR_1j_dE

"David Hazen's project car, a 3-wheel battery-powered electric vehicle to carry 2 people 35 miles at 30 MPH. A complete journal of the 3-year build process is at " http://members.peak.org/~innercom.

A home built motorcycle...

http://www.youtube.com/watch?v=Ae8uOz5PnRM

WE NEED MORE POWER
SLA's SUCK BIG HEAVY SHLONG
I need three times the power at half the wieght and i would even pay double but who can afford lithium

This is my Mongoose hack:

Adapting a electric motor kit from a Razor scooter to my mountian bike. Need a rear pulley to mount on rear wheel. the pulley on the motor is for a belt drive ( flat belt with grooves).
Need a inexpensive rear pulley about 5 in diameter that I can attach on rear wheel.
Or I could convert to sprockets and chain.
Does anybody know where I can buy either one? I've searched the WEB but no luck yet.

Appreciate some ideas

Thanks

http://www.youtube.com/watch?v=51ygmc-X1r4

Students from the St. Thomas Academy Experimental Vehicle Team built an electric commuter motorcycle from scratch in the last year and took it to MIT to show it off this summer. They won a $10,000 ...