Thanks to all. David
Interestingly, the sealed wheel bearings have not been a problem. That may be because when in the water they are raised above the water level so...
What volume per year are you anticipating? 1000 How important is low investment to you? Lower the better but not critical given long term...
Anyone know the best way to mass produce boat mouldings 2.5m x 1.7m? I am working on an updated version of my earlier design www.ezyboat.com...