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Beat beam to length   Message List  
Reply | Forward Message #14372 of 14781 |
Re: Beat beam to length

Thomas Firth Jones's book covers all the issues and is a great read. It can be
had quite cheaply from all the usual sources.







Wed Jul 15, 2009 10:13 pm

damiancarvolth
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Message #14372 of 14781 |
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Chris White's book "the Cruising Multihull" is a great source for a 1st timer http://www.chriswhitedesigns.com/books.php Brian Swiftwood - my trimaran sailing...
Swiftwood@...
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Jul 15, 2009
6:24 pm

Thomas Firth Jones's book covers all the issues and is a great read. It can be had quite cheaply from all the usual sources....
damiancarvolth
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Jul 15, 2009
10:13 pm

My Dad was a school Principal... everyone called him Mister. One day the Internal Revenue Service came to my door and they called me Mister. ;-( Everyone else...
Chris Ostlind
wedgesail
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Jul 15, 2009
6:49 pm

OK Chris, It was just ingrained in me that if you dont know someone I should call them Mr. or Ms. My pet peave is being called sir, sweety and babe. Sir is for...
Mike Post
tlar633
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Jul 16, 2009
1:40 pm

That might be a pretty chubby main hull. The critical factor is waterline beam divided into waterline length. For low-resistance tri main hulls, many...
rhaldridge
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Jul 15, 2009
11:05 pm

... First as others have said there are many variables. Moreover you shouldn't be trying to design a boat if you don't understand the issues. Having said all...
damiancarvolth
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Jul 16, 2009
9:37 pm

Damian, I think you have it pretty securely in the correct direction with all that. My only take would be that given the type of main hull, which will allow ...
Chris Ostlind
wedgesail
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Jul 17, 2009
12:04 am

I am not trying to design the boat just checking parameters for a design I found on the net. ________________________________ From: damiancarvolth...
Mike Post
tlar633
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Jul 17, 2009
12:24 am

See the design I found with the 20 foot length calls for 28 foot beam which I felt looked strange if not impossible to turn,to say the least. Damian s answer...
Mike Post
tlar633
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Jul 17, 2009
12:32 am

As said, Mike, much depends on the displacement of the amas and their actual shape. I have many trimarans in the length-to-beam numbers as described by Damian...
Chris Ostlind
wedgesail
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Jul 17, 2009
2:31 am

... What design was it? Ray http://slidercat.com/blog/wordpress...
rhaldridge
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Jul 17, 2009
9:29 pm

Ray, Just checked out your slipper progress. Good stuff. I found the three strand or even the 12 braid to be too flexible. That's probably because I had the...
dstgean
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Jul 17, 2009
10:53 pm

Hey, Dan-- the 3-strand I'm using is Dacron, not nylon, so it's pretty low-stretch. There's also only one loop of it per lashing, so not much length to...
rhaldridge
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Jul 17, 2009
11:57 pm

Greetings, Would you mind talking a bit about underlayment called Multiply. Where obtained, safe to use in water. (from your web sight) ...
Mike Post
tlar633
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Jul 18, 2009
12:31 am

There are several high-quality underlayment manufactured with exterior glue and (supposedly) void-free cores. Multiply is one, as is Sureply and Ultraply, I...
rhaldridge
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Jul 18, 2009
12:52 am

Check out the Jarcat group on Yahoo, the J6 would be perfect. John Mike Post wrote: Since my wife doesnt like to heel it seems a cat or tri is fits the bill. I...
JohnB
catsailor07
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Jul 16, 2009
11:50 pm

Hi,   If all three hulls were immersed (when stationary) then yes it would be hard to turn. However, if the floats/amas were clear of the water, then...
Ant Wright
ant48uk
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Jul 17, 2009
9:36 am

second that Don ... From: JohnB To: multihull_boatbuilder@yahoogroups.com Sent: Friday, July 17, 2009 9:32 AM Subject: Re: [multihull_boatbuilder] Beat beam to...
Don Nicholson
maintann
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Jul 18, 2009
7:13 am

checked out Jarcat nice boats but there are an awfull number of capsize photos. My wife doesnt like to heel but likes swimming in bull shark infested waters...
tlar633
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Jul 20, 2009
4:24 pm

... That's ok, but I should clarify regarding the jarcats: There are well populated "nests" of jarcat owners and they are a rather sociable lot. They have a...
damiancarvolth
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Jul 20, 2009
9:57 pm

I'll answer anyway. The problem with Jarcat stability is the same problem any cruising cat will have if it's trailerable, and has fixed beams. The designer...
rhaldridge
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Jul 20, 2009
10:07 pm

RAY. I like cats OK especially the xtra room. The Jarcat seems to have a lot for its size . I guess its the trailering that makes the tri more attractive...
Mike Post
tlar633
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Jul 21, 2009
12:28 am

... I've had Jarcats since the early 90's and started the Yahoo! group. to be honest, they are as easy to capsize as any boat, mono or multi. In other words,...
Robert McArthur
rj_mcarthur
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Jul 21, 2009
1:38 am

... Hi, I've emailed Ross Turner before, but they all bounced back. Are Jarcat plans, specifically the J7, still available? Thanks, David...
saillips
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Jul 21, 2009
2:52 am

... I understand DuckFlat Wooden Boats are selling plans. An international person on the list said they had received a copy a few days ago. ...
Robert McArthur
rj_mcarthur
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Jul 21, 2009
3:45 am

Well a tri in the 6m range will be a tight fit and have less space. I and my wife loved the J6 and it trailered well, great boat. I didn't build it but I think...
JohnB
catsailor07
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Jul 21, 2009
11:45 pm

The capsize in the pictures was an experienced mono skipper (with limited multi experience) solo on another's Jarcat in winds blowing in excess of 35...
Don Nicholson
maintann
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Jul 21, 2009
1:07 am

... Don, Do you have a link to a drawing of Breeze 7? Thanks, John...
jhess314
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Jul 21, 2009
7:39 pm

www.foldingcats.com www.blognow.com.au/breeze7 The first is the designer's page & shows pics of the 5.9 & deck plan of the 7 ( & explains why there is a...
Don Nicholson
maintann
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Jul 22, 2009
4:08 am

Ohh Don, If you give people my blog site - that means I'll have to update it (when I remember the password!!) If anyone is interested in the breeze cat - I'm...
Mike Keefe
itsmak2000
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Jul 22, 2009
8:33 am
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