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Mainly, aluminum, ALCLAD 24 S-7; some stainless steel, A N772-T302 1/2H .016 [thick]; pulsejet grill, steel; pulsejet tube, probably Inconel (has higher nickel content for heat resistance); painted zinc chromate in the interior with some red and black; electrical wires with white cloth insulation
Dimensions:
Overall: 11 ft. 2 1/4 in. long x 1 ft. 3 in. diameter x 12 ft. 6 in. wing span, 158 lb. (341 x 38.1 x 381cm, 71.7kg); gross weight, operational, 320 lbs