Moskalyev SAM-2

The Moskalyev SAM-2, alternatively known as the MU-3, was a Soviet two seat introductory training flying boat tested in 1931. It was not chosen for production.

SAM-2
Role Military trainer flying boat
National origin USSR
Manufacturer GAZ-18, Voronezh
Designer Aleksandr Sergeyevitch Moskalyev
First flight Early spring 1931

Design and development

The SAM-2 was an extensive modification of the Grigorovich MU-2, MU standing for morskoi uchyebnyi or marine trainer. It retained the pusher configuration biplane layout, its open, side-by-side cockpit and many components. New features were an improved hull underside, or planing bottom, smaller wings and a much lighter structure.[1]

Operational history

It was completed in February 1931 and was officially tested in the spring. These led to its abandonment in favour of the parasol wing Shavrov Sh-2 amphibian which was built in large numbers, some active as late as 1964.[1][2]

Specifications

Data from Osprey Encyclopedia of Russian Aircraft 1875-1995[1]

General characteristics

  • Crew: two
  • Length: 8.0 m (26 ft 3 in) approx
  • Wingspan: 10.5 m (34 ft 5 in) approx
  • Wing area: 28 m2 (300 sq ft) approx
  • Empty weight: 650 kg (1,433 lb)
  • Gross weight: 920 kg (2,028 lb)
  • Powerplant: × Shvetsov M-11 five cylinder air-cooled radial (the M-11 subtype fitted is not known but powers were in the range 100–200 hp (75–149 kW)[3])

Performance

  • Maximum speed: 132 km/h (82 mph, 71 kn) at sea lefel
  • Service ceiling: 2,300 m (7,500 ft)
  • Time to altitude: 10 min to 1,000 m (3,300 ft)

References
  1. Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875-1995. London: Osprey (Reed Consumer Books Ltd). p. 250. ISBN 1-85532-405-9.
  2. The Osprey Encyclopedia of Russian Aircraft 1875-1995. p. 324.
  3. The Osprey Encyclopedia of Russian Aircraft 1875-1995. p. XX-XXI.
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