"Injam" wrote in message
ink.net...
If we use a 24" pitch propeller and there was no slippage, both boats
would travel 12,000 feet every minute at 6000 RPM.

With the same propeller on each boat the 250 hp boat would over rev at
WOT. So the helmsman would have to back off to keep it at 6000. The
difference in weight of the motors is about 30 lbs. Probably not going to
be much of a factor. The 250 might get to 6000 more quickly, but once at
6000 I think both boats would be traveling at the same speed.

Thanks again,
Injam


You got it. And the digital hour meter will keep excellent time.


RCE