Shavrov Sh-2

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Shavrov Sh-2 was a 1930s amphibian design and the first Soviet mass-produced flying boat. The small, wooden aircraft was a further development of the Sh-1, with a more powerful engine and increased size.

The Sh-2 could carry two crew members as well as one passenger and during wintertime, the aircraft could be equipped with skis. The small lower wing served as attachment for the stabilizing floats. It was a light, simple and reliable design.

History

The Shavrov Sh-2 was developed from the small amphibian Sh-1 prototype design and performed its first flight on November 11, 1930. The Sh-2 passed State Acceptance trials on June 12-17, 1934, without problems. Series productions was initiated on 1 April 1934, and ended two years later. However, due to its successful design and the popularity among its pilots, production was restarted in 1939. Total production was up to 700 aircraft, several hundred of those being built after 1939.^[1]

The aircraft was in service until 1964 and set a number of records among flying boats and seaplanes.^{[citation needed]}

On 28 August 1942, the Finns captured two Sh-2s and pressed them into service in the liaison role, as well as carrying the Commander of the Finnish Air Force, until 1944.^[2]

Variants

Sh-1: small amphibian prototype
Sh-2: main production variant, used in the utility transport, liaison, trainer, fishery protection and frontier patrol roles
Sh-2S: ambulance version, 16 built
Sh-2bis: version with glazed crew cabin and M-11L-engines

Operators

Finland

Finnish Air Force (two captured examples)^[2]

Soviet Union

Soviet Air Force

Specifications Shavrov Sh-2

Shavrov Sh-2, at the Historic Aircraft Restoration Museum.

Data from Backwoods Landing Strip - Finnish Air Force aircraft^[2]

General characteristics

Crew: 1-2
Capacity: 1 pilot, 2 passengers (air ambulance version with stretcher compartment behind seats, covered with clear canopy)
Payload: 257 kg (567 lb)
Length: 8.20 m (26 ft 11 in)
Wingspan: 13.0 m upper wing, 5.4 m lower wing (42 ft 8 in / 17 ft 9 in)
Height: 2.80 m (9 ft 2 in)
Wing area: 24.75 m² (266 ft²)
Empty weight: 680 kg (1,500 lb)
Max. takeoff weight: 937 kg (2,065 lb)
Powerplant: 1 × Shvetsov M-11A 5-cylinder air-cooled radial engine with a 2-bladed propeller, 75 kW (100 hp)

Performance

Maximum speed: 140 km/h (76 knots, 87 mph)
Range: 400 km (215 nm, 250 mi)
Service ceiling: 3500 m (11,480 ft)

References

↑ Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft from 1875 - 1995. Osprey Aerospace. ISBN 1-85532-405-9.
↑ 2.0 2.1 2.2 Perttula, Pentti. "Shavrov Sh-2". Retrieved 2009-06-27.

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