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Recent content by dtandy

  1. dtandy

    How many plys?

    I am making a large diameter (~23" OD, ~21.5 ID ) tube with a 20mm thick H8PP NidaCore core. The tube will be used for a large telescope and needs to be stiff but it will not by carrying any significant weight as the entire telescope will only weigh about 85 lbs. How many plys of 11 oz 8HS...

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