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Old 11-25-2011, 06:38 PM   #5
markpierce
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City: Vallejo CA
Vessel Name: Carquinez Coot
Vessel Model: penultimate Seahorse Marine Coot hull #6
Join Date: Sep 2010
Posts: 12,559
RE: Overpowered Boats?

The*JD 4045D produces about 80 horsepower.* It's able to push the 14-ton Coot about 2/10ths of a knot faster than hull speed, absent waves and wind.* So, I consider the engine pretty well matched with*the boat.* 2200 RPM gives me hull speed of about 7.5 knots; 1000 RPM*close to*4.5 knots.
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