> trainfinder22 wrote: >> How large would a panel have to be to propel a boat at 10 mph? >> > > Bigger than the boat. > > Ron Jones
Using a catamaran might help. Roof area larger than the hulls. Have a look at http://www.transatlantic21.org/boat/ Max speed 7 knots, normally 5-6 knots. 14m long and 6.6m wide. Dave Wedd.
