Seversky Aircraft Corporation, Farmingdale, New York
Specifications from Aero Digest, April, 1935:
• President: Alexander P. de Seversky. Vice-president: R. G. Ervin. Chief Engineer: A. Kartveli. Export representative: Miranda Bros., 6 E. 45th Street, New York, N. Y.
Two- or three-place open amphibion. Wright Whirlwind engine, 420 horsepower.
Span 36 feet. Length overall 26 feet 4 inches. Height overall 9 feet 9 inches. Wing area 209 square feet.
Empty weight 2545 pounds. Useful load 1655 pounds. Gross weight 4200 pounds. Fuel capacity 130 gallons.
Maximum speed 185 miles per hour. Cruising speed 160 miles per hour. Landing speed 55 miles per hour. Service ceiling 16,000 feet. Rate of climb 1100 feet per minute. Cruising range 1000 miles.
Fuselage: monocoque all-metal construction; front main bulkhead connecting to corresponding web of each box section of the wing; five points of attachment on each side at junction of wing and fuselage precluding need of special reinforcement for concentrated loads, stresses being distributed along skin. Wing: multi-box all-metal construction; smooth outer skin reinforced with corrugated sheet on inside running along span; bottom skin stiffened by panel section at intervals in width of sheet making channel shape which forms closed box section extending length of skin; split trailing-edge all-metal flaps between ailerons. Tail group: all-metal cantilever construction; fin built integral with fuselage; adjustable stabilizer secured at four points of attachment. Amphibion landing gear convertible to straight land plane ; equipped with General streamlined tires.
Standard equipment includes Lycoming-Smith controllable-pitch propeller, wheel brakes, water rudders, automatic anchor, convertible cockpit.
Instruments: tachometer, fuel pressure gauge, oil temperature gauge, oil pressure gauge, altimeter, rate of climb indicator, air speed indicator, bank and turn indicator, compass, clock, ammeter, voltmeter, fuel gauge. Also see data in July, 1933, AERo DIGEST.
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