Check the listing here: http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=170682326963#ht_500wt_1156
2 x 12v very powerful Sinclair C5 electric motors. Include an excellent integral epicyclic gear box.
Link for Info on Motor: http://www.sinclairc5.com/facts/motor.htm
Also included is a 4qd speed controller set-up for controlling them with "tank steering" or electric wheel chair style, and a FM transmitter and receiver.
Link to controllers: http://www.4qd.co.uk/
This came out of an old Robot Wars robot and could be adapted for any moving electric vehicle either remotely controlled or controlled via a standard wheel chair joystick.
Sold as seen - Grab a bargin!
Prefer collection from London, Islington (N1), or can post by Royal Mail Recorded parcel.
Postage high as the motors weigh quite a bit!