More horsepower than you want, but you might get some ideas at
http://www.go-devil.com/index.html

Roger

http://home.earthlink.net/~derbyrm

"ian .at.bendigo" wrote in message
...
Anyone know where to get technical details of the long shaft
propulsion system using about 6 hp to 10 hp or the name
and local of a company that makes them ?
Cheers Ian Kentish in Bendigo Oz .