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SHORT BROTHERS' ALL-METAL PLANES. The Short Brothers' Aircraft Company are the most important exponents of all-metal construction in England. Their newest ship, called the "Silver Streak" is typical of their methods, so it will be given a detailed description which should suffice to explain the practices and principles employed. SILVER STREAK ALL METAL AIRPLANE. Characteristics of this machine are as follows: Engine, Siddeley Puma --------- 150 h.p. Area -------------------------- 370 sq. ft. Span -------------------------- 37 ft. 6 in. Length, over all -------------- 26 ft. 5 in. Height ------------------------ 10 ft. 6 in. Gas tank capacity ------------- 50 gallons. Oil --------------------------- 6 gallons. Weight, empty ----------------- 1,865 lbs. Pilot and 400 lbs. of freight, or pilot and passengers: weight fully loaded ------------------ 2,700 lbs. Maximum speed ----------------- 120 m/h. Cruising speed ---------------- 90 m/h. Climb, 10,000 ft. ------------- 11 min. Range, at full speed ---------- 360 miles. Range at cruising speed ------- 450 miles. Load per horsepower ----------- 10.5 lbs. Load per square foot ---------- 7.5 lbs. This machine is the only British all-metal machine employing 823