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Mike
I thought the idea was to make this a structural thing. Like the hull of our 
plane, the foam core is a way to get a stronger structure with less weight. 
I know that 2 ply of foam on each side of the foam is much stiffer than 4 
ply alone.
Cliff Shaw
1041 Euclid ave.
Edmonds, WA 98020
425 776 5555
http://www.europaowners.org/WileE
> Wouldn't the sidewall be stronger without the foam? What am I
> missing?
>
> Mike Duane  A207
> Redding, California
> XS Conventional Gear
> Top on....but too late  for Mod 70! Damn!
>
>
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