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#575813 - 06/11/22 07:57 AM What is Hull Speed  
Joined: Sep 2003
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MarkHB Offline
Dressed for dinner
MarkHB  Offline
Dressed for dinner

Joined: Sep 2003
Posts: 7,389
Norris Lake, TN
A really good video explaining hull speed and hump speed


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#575822 - 06/21/22 12:09 PM Re: What is Hull Speed [Re: MarkHB]  
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GoFirstClass Offline
Retired Boating Bum
GoFirstClass  Offline
Retired Boating Bum
Grand Poobah

Joined: Nov 2003
Posts: 15,719
Pasco, WA
Mark, very informative video. I knew about the formula for determining hull speed but didn't know the math behind that formula.


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#575825 - 06/22/22 05:09 PM Re: What is Hull Speed [Re: MarkHB]  
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athiker Offline
athiker  Offline

Joined: Dec 2003
Posts: 3,969
Lake Norman, NC
Very interesting, thanks. I remember calculating our sailboat's hull speed years ago, but wasn't aware of hump speed and the rest. Always heard planing boats framed as "escaping" the hull speed wave...way more detail in that video. The varying amounts of friction and why was interesting.

2000 Cobalt 206 5.7L EFI Alpha 1
#575826 - 06/23/22 08:19 AM Re: What is Hull Speed [Re: MarkHB]  
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Dave R Offline
Dave R  Offline

Joined: Jul 2003
Posts: 6,753
Hampton Beach, NH USA
That is really cool, thanks for sharing.

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