Micarta Propellers II : method of construction

F. W. Caldwell, N. S. Clay
naca-tn-199
August, 1924


The methods used in manufacturing Micarta propellers differ considerably from those employed with wood propellers on account of the hardness of the materials. The propellers must be formed accurately to size in a mold and afterwards balanced without the customary trimming of the material from the tips. Described here are the pressing and molding processes, filing, boring, balancing, and curing.

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