Uploaded May 2014 | Updated September 2026, 1 week ago

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The ultimate guide on how to make a fibreglass/FRP/GRP split-mould/multi-part mould. Step-by-step instructions on how to create a 3-part mould for a complex airbox pattern. This is part two of a three-part project on how to make an ultra-light, carbon fibre airbox using state-of-the-art prepreg (dry) carbon fibre.