John Marples on the Seaclipper 24 Trimaran (Audio)
I had an opportunity to interview John Marples yesterday about his new Seaclipper 24 trimaran design. If you’ve heard my previous interview with him then you know he is a wealth of information … especially when it comes to offering home boatbuilders great tips and food-for-thought.
So please enjoy my trimaran friends! :-)
Click here to listen online or download the mp3 audio featuring John Marples talking about the Seaclipper 24 trimaran.
Tags: Brown Seaclipper, Jim Brown trimaran, John Marples, John Marples audio, John Marples interview, John Marples trimaran, Marples Seaclipper, Marples trimaran, Seaclipper 24, Seaclipper 24 trimaran
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on Friday, July 2nd, 2010 at 3:16 pm and is filed under Self-built Small Trimarans, Small Tri Info - All, Small Trimaran Audios.
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July 20th, 2010 at 10:39 pm
Hi. Just the view of the swinging akas makes me shiver with fear on the 20 ft version, I would not dare to go to sea with an even larger version. Not speaking of those light airs that push the boat along so easily, but of squalls you may encounter even on sunny mediterranean summers. not searching for trouble of course, but these swinging akas – flat open configuration as opposed to closed triangles in farrier designs, look like great candidates for structural failure.
I would be happy to learn more on them perhaps on a specific post.
cheers, Stefano
July 27th, 2010 at 5:18 pm
Trussed akas, like stayed masts, are being replaced by cantilever beams that are designed using strict engineering principles. The swing arm configuration benefits from the flat beam, which requires heavier construction to achieve the same strength as a more vertical shape. All these beams (akas) have the same safety factors as the old style beams. Like the unstayed masts of today, these beams will show some deflection under load which will soften the ride and reduce stresses on the rest of the boat. I might add that I have a Mechanical Engineering degree and 30 years of experience in multihull design.