Tuesday, August 16, 2011

Ama shaping

Four hours of sawing, power planing and long board sanding later and it looks about right.  The sharp edges will be rounded to take the fiberglass.  The sanding is done with very coarse 40 grit paper to reduce the possibility of delamination later.  You sand for fairness but not smoothness.

There is an excellent resource on shaping and glassing polystyrene surfboards here:
How to build your first surfboard.
And if your really serious, you'll want to read Burt Rutan's "Moldless Composite Aircraft Construction"
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