Stinson Aircraft Corporation, Wayne, Michigan
Specifications from Aero Digest, April, 1935:
• President: B. D. DeWeese. Vice-president: W. A. Mara. Sales Manager: J. C. Kelley, Jr.
Ten-place low-wing monoplane. Three Lycoming R-680-5 engines, 260 horsepower each.
Span 60 feet. Length overall 36 feet 10 inches. Height overall 12 feet 9 inches. Wing area 500 square feet. Power loading 12.9 pounds per horsepower. Wing loading 20.2 pounds per square foot.
Weight empty 7020 pounds. Useful load 3080 pounds. Payload 1860 pounds. Gross weight 10,100 pounds. Fuel capacity 160 gallons. Oil capacity 12 gallons.
Maximum speed at 5000 feet 163 miles per hour; cruising speed at. 1000 feet 157 miles per hour. Rate of climb 1000 feet per minute. Range with 350/0 excess fuel is 350 miles.
Fuselage: chrome molybdenum steel tube framework, sheet metal covered on forward section, rear fabric; one all-metal fuselage baggage compartment and two all-metal nacelle compartments. Wing: in three sections; outer wings fabric covered; inner wings and nacelles, sheet-metal covered; stubs tapering in chord and thickness from outer ends to root are braced to the fuselage top by parallel struts; the outer wing sections taper in chord and thickness from roots to tips; flaps extend from engine nacelle to engine nacelle. Tail group: with steel tube frame, fabric covered; adjustable tabs in trailing edge of rudder and elevators. Retractable landing gear, electrically operated, equipped with hydraulic brakes with Bendix I power booster.
Standard equipment includes landing lights, bonding and shielding, safety glass, lavatory. Extra equipment includes two-way radio, de-icers, dual controls, Lux fire extinguisher, vacuum pump. Flap and landing gear operation fully automatic.
Instruments: Sperry directional gyro, Sperry gyro-horizon, and complete set of blind flying instruments. Three Lycoming-Smith controllable-pitch metal propellers. Also see data in March, 1934, AERO DIGEST.