Thread: THink this will be beneficial (Extending kammback)
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Old 07-11-2014, 08:32 PM   #10 (permalink)
freebeard
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PolyMetal. Dirt track racers use it for their big wings. Stiff as 5/8" ply with 1/10th the weight.

It's enameled aluminum skins on 3mm sheet plastic.
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