Here is some more information that is worth a read
Bike
http://www.oldbike.eu/wordpress/?page_id=2220History, cut and paste it's worth it
http://www.users.globalnet.co.uk/~pattle/nacc/arc0371.htm
I have two complete Trojan motors but nothing to mount them on, they will be stand alone set ups soon. Trojan motors also had light industrial applications and were made as a working unit.