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Message board > Miscellaneous topics > Hull speed

Message 6 of 6
Posted by member Robert snedd9n on Tuesday 12 February 2019

Thanks Peter
Iíll get some calculations done and see what I come up with.

Regards
Robert.

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Message 5 of 6
Posted by member Peter Cox on Monday 11 February 2019

That;s what 'hull speed' is.

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Message 4 of 6
Posted by member keith Lathwell on Monday 11 February 2019

The formula only apply to displacement speed .

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Message 3 of 6
Posted by member Hardy Editor on Monday 11 February 2019

Thanks for that Peter.
Kind regards,
Marie

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Message 2 of 6
Posted by member Peter Cox on Monday 11 February 2019

Robert

Hull speed in knots varies between 1.34 and 1.51 x square root of waterline length in feet, the exact figure depending on the hull shape.

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Message 1 of 6
Posted by member Robert snedd9n on Sunday 10 February 2019

Hello all
As the year starts to move forward it wonít be long until King Bear comes out of hibernation for its usual maintenance, scrub up and polish prior to launching.
Thinking about places to visit this year got me thinking about speed and distance. With a DF70 on the stern I can get a good turn of speed however every vessel has a recommended maximum hull speed and to that end I was wondering if anyone can tell me what the Family Pilot 20 is. There were obviously later changes to the hull design but mine is a 1986 model with the stubby keel.
Any information greatly appreciated.

Regards to all
Robert

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