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Old 07-20-2011
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Having moved my Cal 29 with a 4Hp outboard and now the Atomic 4 is back in and healthy

At 8000# and not all that slick of a form the 4HP moved it at 4.5 knots

The A4 will take it up to 6+ knots but the stern squats so bad we don't go much over 5 to 5.5 knots at about 1400 RPM

So i can conclude that as you try and go above 4.5 knots the HP needed goes wau UP

The boat will sail that fast in 5 knots of wind BUT to reach 7 knots it needs to be in the twentys
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1970 Cal 29 Sea Fever

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1981 J24 Tangent 2930
Tommays
Northport NY


If a dirty bottom slows you down what do you think it does to your boat
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Last edited by tommays; 07-20-2011 at 07:53 AM.
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