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preventing heel dents in EPS?

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Re: preventing heel dents in EPS?

Postby Bille » Wed May 13, 2020 7:01 pm

jespin4845 wrote:
Tue May 12, 2020 2:49 am
what lay up will prevent heel dents? carbon on the deck over the innegra? to stiffen it up I guess?

the wood stringer has prevented the board from completely getting caved in,
NO lay-Up will work completely ; without adding a bunch of unnecessary
weight . Only thing that will work ,(and keep it light) ; that would be an extra
surfboard stringer,strip of wood that runs under your heel.

Had the same problem on my home made TT .


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Re: preventing heel dents in EPS?

Postby TomW » Sat May 16, 2020 10:27 pm

Heel dents are caused by compression of the core material. The eps is too soft to take the pressure.
So you can solve it several ways:
1. Use a higher density core
2. Use more laminate
3. Use a thin 3 mm high density skin. Layup is eps core, 4 oz glass or carbon, 3mm high density foam (80kg/m3) then at least 2x6 oz glass. Carbon will reduce laminate needs. How much laminate you need depends on rider weight and intended usage.

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