Harman Patil (Editor)

Sikorsky S 31

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Top speed
  
56 km/h

Length
  
7.92 m

Wingspan
  
14 m

Manufacturer
  
Sikorsky Aircraft

Sikorsky S-31

The Sikorsky S-31 was a 1920s American sesqiuplane designed and built by the Sikorsky Manufacturing Corporation and configured for aerial photography.

Contents

Design and development

The S-31 was a sesquiplane built for photographic work by the Fairchild Flying Corporation. It had two open cockpits and a cabin for the photographic equipment. The S-31 was powered by a 200 hp (149 kW) Wright Whirlwind J-4 engine and first flew in September 1925. Following participation in the New York Air Races in October 1925 it was shipped to Brazil to be used by Fairchild for aerial photographic work. At some point the S-31 had twin Lewis machine guns ring-mounted on the rear cockpit.

Specifications

Data from

General characteristics

  • Crew: two
  • Length: 26 ft 0 in (7.92 m)
  • Wingspan: 45 ft 0 in (13.72 m)
  • Height: 10 ft 4 in (3.15 m)
  • Wing area: 260 ft2 (24.15 m2)
  • Empty weight: 1700 lb (771 kg)
  • Gross weight: 2900 lb (1315 kg)
  • Powerplant: 1 × Wright Whirlwind J-4, 200 hp (149 kW)

    • Performance

  • Maximum speed: 35 mph (56.3 km/h)
  • Endurance: 6 hours  0 min
  • Service ceiling: 15000 ft (4572 m)

    • References

    Sikorsky S-31 Wikipedia
    (Text) CC BY-SA