Stems

Interestingly, Iain Oughtred specifies ‘softwood’ for the stem and stern. My instinct was to use a hardwood, especially when I think of all the things I have bumped into in my time! However, he did expand on this, and suggested that the extra give of softwood was an advantage, and if I did smash the stem up too much, it could always be replaced. Besides, they are quite chunky, so a weight saving is probably in order. So, I went for Douglas fir.

As ever, trusty CNC came in handy. I decided on a construction where pieces were butted together with epoxy, and then the outermost 20mm or so was laminated. This means that the butt-jointed pieces are permanently sandwiched between the outer lamination and the apron (when glued to the hull) – they ain’t going nowhere!

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Blocks glued together to form half the stem, ready for shaping

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Outer shape machined on, plus locator holes for gluing the two mirrored halves together

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Two halves temporarily together to test fit

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Laminating jigs for gluing on curved laminations (one stem, one stern)

 

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Laminating

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Final machining of half stem

This entry was posted in Hull.

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