Cylindrical, with larger diameter retaining ring, chrome-plated, on top; the retaining ring with six equidistant holes drilled vertically through it, for accommodating six chrome-plated rods; bottom retaining ring of same dimensions as one on top; chrome-plated shaft or cylinder on top to which is attached a hexagonal nut with a brass-colored four-sided threaded attachment, the igniter unit, with threaded nipple on top of this attachment, with small hole in center of nipple; short, straight chrome-plated propellant inlet tube jutting out at right angle from shaft on top, with loose-fitting brass-colored B-nut on tube, used for coupling this pipe with detached propellant line from propellant tank when motor was tested; bottom of main cylinder, with short hexagonal nut and built-in exhaust nozzle; in center of cylinder, a cooling jacket, gray-colored, with very light pitting, jacket secured onto main motor (main cylinder), with retaining rods and closure plates Created by Jennifer Stringfellow Date Created 05/19/2023 Source Smithsonian National Air and Spa Keywords Exploration; Rockets; Space Rights and Restrictions Not determined
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