On 4 Aug 2006 09:52:39 -0700, "dzine"
wrote:

Is there any reason e.g. hull shape, not to convert an old rotten
decked yacht with retractable single keel to a river boat, no sails but
electric motor ?

Sailboats feature efficient hulls - good
but
high freeboard - bad in the wind

for a limited power river boat.

Brian Whatcott Altus OK