Question for Jacques and other designers........

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cvlngineer
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Question for Jacques and other designers........

Post by cvlngineer » Tue Aug 03, 2004 10:49 pm

I ran across this school that offers a course program in Naval Architecture/Yacht Design. It looks very interesting. What is your take on it? Here is the site:

MacNaughton Yacht Design School

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cvlngineer
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anonymous

Post by anonymous » Tue Aug 03, 2004 11:07 pm

I've seen those courses. Can't really offer opinion without having taken them.

But I will say that I've e-mailed Tom MacNaughton quite a bit these last couple of weeks. He seems very knowledgable about wooden boat design/building and is a very friendly person. Site says he's versed in other materials but I've only discussed wooden boats with him.

I bought a couple of his publications and they are very straightforward and easy to follow.

Can't offer intelligent opinion about their design quality. Some look a little funky to me but different strokes for different folks. :wink:

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Post by jacquesmm » Wed Aug 04, 2004 7:09 pm

If you are serious about yacht design, take the Westlawn course.
Mac Naugthon is OK but, while quite good at designing heavy wooden boats, I don't think you will learn much about modern materials and methods with his school.
Westlawn's new director is Dave Gerr.
Jacques Mertens - Designer
http://bateau.com

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Post by cvlngineer » Wed Aug 04, 2004 9:32 pm

Thanks for the info. The Westlawn course does look to be better. I am just pondering the notion of learning more about the subject. It looks to be very interesting, and could be a fun way to use my engineering degree, while making a little money on the side.

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Post by cvlngineer » Thu Aug 05, 2004 1:07 am

Do any of you know the approximate values for the tensile, compressive, and shear strength in a typical glass over plywood joint?

cvlngineer

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Post by Oceola » Thu Aug 05, 2004 8:16 am

Cvlngineer,

Do a Google search for "Recreational Marine Industry". There are enough tech. subjects on epoxy, foam core , etc. related, to satisfy even the most avid boat builder/engineer.

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Post by jacquesmm » Thu Aug 05, 2004 9:04 am

cvlngineer wrote:Do any of you know the approximate values for the tensile, compressive, and shear strength in a typical glass over plywood joint?

cvlngineer
You mean the properties of that sandwich?
You are not going to find that in any book. There are several ways to get those figures:
- calculate the laminate stack from scratch. You will be left with a pure theoritical value that has little to do with what you can produce in the real world.
- test samples in a lab as we did 12 years ago
- make you own testing equipment, we still do that:
http://bateau2.com/content/view/95/28/
That page shows only one test, not show is a peel test and a fatigue test done with an excentric wheel.
You will find values for more traditional materials in engineering books or in this book:
http://www.boatplans-online.com/proddet ... rod=BFP001
There is also :
marinecomposites.com

Start with the book. It is a great introduction to yacht design.
Jacques Mertens - Designer
http://bateau.com

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