Hot moulding

Hot moulding is a process not unique to boats or indeed to the UK: firms in the US and Canada also specialised in the technique, perfected for both aircraft parts and later for boat manufacture. In Fairey’s case, a male mould made from 4in timbers provided the pattern to take layers of 2.5mm x 150mm agba, each strip bearing its own unique number to form the hull shape. The strips were run through a machine which applied adhesive to one side, the strip being pinned to its allocated place on the mould. In this way the skin layer jigsaw was built up. Then, a rubber ‘coat’ was placed over it, securely clamped to the mould’s base plate. Air was then removed, causing a vacuum within the mould. Fairey heated the…

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Practical Boat Owner (Digital) - 1 Issue, June 2015

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