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#189908 - 09/01/09 01:16 PM beam height to waterline on your boat  
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TheManShed Offline
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What is the beam height to waterline on your boat?

I was wondering what everybody is using out there in the other designs, for example the newer designs such as the Wild Cat. Id be interested in your measurements and thoughts? As the builder I can do what I want and now is a good time to plan.

Looking at the plans - Im trying to figure what distance I want to build the beam height to waterline. If I build it 18 inches the beams will sit about Deck level on the redesigned amas. I can increase it to 21 inches and have to add a hump on rear deck of the main hull and some stand-ups on the amas.

Mike

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Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

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#189909 - 09/01/09 01:52 PM Re: beam height to waterline on your boat [Re: TheManShed]  
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cyberspeed Offline
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cyberspeed  Offline
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Wellington, FL-Singer Island, ...
I say split the middle. It will give you a little buffer and not be so blatant. If you look the Supercat has about half the beam above the top of the hull and half below.


craig van eaton
Endurance Series
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Supercat 20
#189936 - 09/01/09 05:22 PM Re: beam height to waterline on your boat [Re: cyberspeed]  
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TheManShed Offline
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Palm Beach County
On the ama's? or the main hull?


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

#189944 - 09/01/09 05:49 PM Re: beam height to waterline on your boat [Re: TheManShed]  
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Luiz Offline
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Luiz  Offline
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Asuncion, Paraguay
Those are CATS (not trimarans) and their beams are straight, so the height is the same everywhere.


Luiz
#189945 - 09/01/09 05:58 PM Re: beam height to waterline on your boat [Re: Luiz]  
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This tri has a beam like a cat and it is level through the main hull. It is more like a cat and a half. Im also looking for the information for general knowledge.

The cruising tri's have a much larger volume main hull for accommodations so the beams slope to the ama's that is not the case here.


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

#190181 - 09/03/09 06:49 PM Re: beam height to waterline on your boat [Re: TheManShed]  
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Luiz Offline
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Luiz  Offline
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It makes sense to compare beam clearance with the F-Boats. What is your boat's size? (LOA, BOA, beam length)


Luiz
#190215 - 09/04/09 01:33 AM Re: beam height to waterline on your boat [Re: Luiz]  
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TheManShed Offline
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Palm Beach County
LOA-20'
BOA-17'
Beam Length-16'

Bow height approx 28"


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

#190219 - 09/04/09 03:39 AM Re: beam height to waterline on your boat [Re: TheManShed]  
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cyberspeed Offline
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cyberspeed  Offline
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Wellington, FL-Singer Island, ...
Is that LOA including rudders?


craig van eaton
Endurance Series
www.SailSeries.com
TEAM CYBERSPEED
www.TeamCyberspeed.com
Supercat 20
#190243 - 09/04/09 07:53 AM Re: beam height to waterline on your boat [Re: cyberspeed]  
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Team_Cat_Fever Offline
Carpal Tunnel
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Roanoke Island ,N.C.
I'd err on the side of too much(within reason) ,Beam slap sucks. My Trailer tri 720 is notorious for it.


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White
#190304 - 09/04/09 02:51 PM Re: beam height to waterline on your boat [Re: Team_Cat_Fever]  
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TheManShed Offline
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Palm Beach County
Craig that is pretty good! It may have to stand in for BMWO.
What is the measurement for the trailer tri 720?


Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's


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