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Old 01-12-2014, 11:25 AM   #13
sunchaser
Guru
 
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,185
Quote:
Originally Posted by Richard W View Post
Just to expand on this ... using the standard 1.34 factor, the displacement hull speed for 42' boat with LWL of 40' (just a guess) is approx. 9.5 knots.
I get 8.5 knots @1.34 and using a more efficient 1.2 multiplier about 7.5 knots.
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