Flying machines: practice and design. Their principles, construction and working (1909)
Kennedy, Rankin, d. 1917 · London [etc.] : The Technical Publishing Co., limited · leaf 144
PRACTICE AND DESIGN. 1 29 Balloonet. — 3,000 cubic feet. Motor. — Four-cylinder Curtis, 30 H.P., weighing with radiator, 175 Ibs. Propeller. — One, two-bladed, 10 ft. diameter, carried at the forward end of the car. Revolutions per minute, 1,500. Speed. — Average 17 miles per hour. Attained 20… … FIG. 60.— British Dirigible III., 1909. Hull of goldbeaters' skin. The car is suspended by steel cables, attached to a series of silk loop5; fixed by a special method along the meridian of the balloon on each side. The car is made of a framework of hickory and steel tubing,, and is covered with a…
Flying-machines · Aeronautics
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