Stinson Aircraft Corporation, Wayne, Michigan
Specifications from Aero Digest, April, 1935:
• Two-place open high-wing monoplane. Lycoming R-680-4 engine, 225 horsepower.
Span 39 feet 11.5 inches. Length overall 21 feet 8 inches. Height overall 8 feet. Wing area 215 square feet. Power loading 11.75 pounds per horsepower. Wing loading 12.3 pounds per square foot.
Empty weight 1945 pounds. Useful load 710 pounds. Variable payload. Normal gross weight 2655 pounds.
Fuel capacity 50 gallons. Oil capacity 4 gallons. Maximum speed 136 miles per hour. Cruising speed 124 miles per hour. Landing speed 50 miles per hour. Rate of climb 1150 feet per minute. Cruising range 440 miles.
Fuselage: fabric covered; welded chrome molybdenum steel tubing; tandem seating arrangement, dual controls; parking brakes and –individual foot brakes in front cockpit. Wings fabric covered; spars spruce; ribs dural; cutaway center section mounted on splayed out struts carries the outer wing sections which are braced to the outrigger stubs which also form an anchorage for the landing gear. Tail group: fabric covered; welded steel tubing. Fixed cantilever landing gear equipped with 8.50 X 10 or 25 X 11 tires, Autofan or Goodyear wheels and brakes, Cleveland Pneumatic oleo shock absorbers; consists of 2 cantilever legs, each of which is built in one piece and consists of two bearings; wheel fenders over each unit; adaptable for twin float installation. Plane and engine controls ball bearing equipped; fully swivelling pneumatic tail wheel.
Standard equipment includes Hamilton Standard or Lycoming-Smith controllable pitch propeller.
Instruments: bank and turn indicator, rate of climb indicator, altimeter, air speed indicator, oil pressure gauge, oil temperature gauge; rear cockpit contains altimeter, air speed indicator, tachometer, oil pressure gauge, oil temperature gauge.
Optional equipment: radio, flares, landing lights, navigation lights, hand inertia starter, rear exhaust collector ring, all-metal speed ring.