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Search took 0.00 seconds. Search: Posts Made By: BigCat
Forum: Multihull Sailboats 10-06-2008, 10:55
Replies: 52
Views: 38,432
Posted By BigCat
Balsa vs. foam

Derek, my understanding is that you have never used balsa coring, and do not speak from experience.

My personal experience of balsa has been positive-- J-boats, Hatteras Yachts, Sweden Yachts,...
Forum: Multihull Sailboats 27-05-2008, 11:44
Replies: 52
Views: 38,432
Posted By BigCat
Mr. Kelsall is in his 70s, as you might expect...

Mr. Kelsall is in his 70s, as you might expect from the fact that he is the designer of the first foam core multihull. He has younger folks working for him, though. I'd point out that wood is quite...
Forum: Multihull Sailboats 26-05-2008, 21:26
Replies: 52
Views: 38,432
Posted By BigCat
Kelsall is an engineer

"Yes I am an engineer" If you read his bio, you will find that Derek Kelsall is also an engineer. He has been doing some things for so long that he has forgotten just why he does them, though. A...
Forum: Multihull Sailboats 25-05-2008, 23:36
Replies: 52
Views: 38,432
Posted By BigCat
More about Kelsall

I don't see much difference between Kelsall's technique and cold molding with thin strips of plywood, and I think any concerns about "stresses" being placed in the laminate, has no demonstrated...
Forum: Multihull Sailboats 24-05-2008, 20:40
Replies: 52
Views: 38,432
Posted By BigCat
Catty, here ...

Catty, here https://www.nwmultihull.org/builders/images/KSS39hull.jpg
is a photo of a Kelsall designed hull upside down-I think the shape is perfectly reasonable.

I don't think the topsides or...
Forum: Multihull Sailboats 22-05-2008, 18:34
Replies: 52
Views: 38,432
Posted By BigCat
Building a big boat is lots of work, no matter what-

Google Image Result for https://www.geocities.com/TheTropics/Shores/1748/hullf4.jpg...
Forum: Multihull Sailboats 20-05-2008, 20:37
Replies: 52
Views: 38,432
Posted By BigCat
There are a few websites put online by amateur...

There are a few websites put online by amateur builders who are building Kelsall designs. One is:
Connemara Catamarans (https://www.voyageurs.co.uk/index-page15.html)
A lot of people are doing the...
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