Shavrov Sh-5

The Shavrov Sh-5 was a Soviet civil amphibian flying-boat designed by Vadim Borisovich Shavrov as a photographic platform for aerial mapping. By the time it flew it was an outdated design and the type did not enter production.[1]

Sh-5
Role Aerial mapping amphibian flying-boat
National origin Soviet Union
Manufacturer Shavrov
Designer Vadim Borisovich Shavrov[1]
First flight 19 March 1934[1]
Number built 1[1]

Design and development

A special committee convened to investigate the use of special aircraft for photographic survey concluded that it was desirable. To fulfil the requirements Shavrov designed the Sh-5 amphibian as a large aircraft designed to carry cameras aa well as all the equipment and crew to develop and print the images. The committee envisaged two versions; as the FS-1 landlplane and the FS-2 flying boat, (FS - Foto Samolyet – Photographic aircraft), the latter requirement was fulfilled by the Sh-5 amphibian as built in the former Richard OKB factory, GAZ-28 (GAZ - Gosudarstvenny Aviatsionnyy Zavod – state aviation plant/factory).[1]

The Sh-5 was a cantilever high-wing monoplane amphibian flying-boat.[2] Designed as a camera platform with glazed cabin areas it could also carry 12 passengers.[2] It was powered by two 480 hp (358 kW) Shvetsov M-22 engines, (developed from license built Gnome-Rhône GR9ASB / Bristol Jupiter VI), mounted in nacelles, supported by struts, above the wing roots.[2] It had a boat shaped fuselage bottom with a retractable landing gear and outrigger floats.[2] Although the design work started in 1929 construction was slow, the prototype fitted with a skid landing gear first flew on 19 March 1934.[2] With the use of military aircraft, particularly the Tupolev R-6 for aerial mapping and the fact it had become an outdated design by the time it had first flown meant the type did not enter production.[2]

Variants
FS-1
Landplane version, not built.
FS-2
Flying boat version, not built
Sh-5
The amphibious aircraft designed by Shavrov and built at GAZ-29 to fulfil both roles. The sole prototype was in flight test when a main undercarriage strut failed. The aircraft was not repaired and later scrapped.

Specifications (Sh-5)

Data from [1]

General characteristics

  • Crew: Flight crew + 12 passengers / survey crew
  • Length: 15 m (49 ft 3 in)
  • Wingspan: 24 m (78 ft 9 in)
  • Wing area: 73.1 m2 (787 sq ft)
  • Airfoil: MOS-27 16%
  • Empty weight: 3,470 kg (7,650 lb) (FS-1 landplane 3,150 kg (6,945 lb)
  • Gross weight: 5,000 kg (11,023 lb)
  • Fuel capacity: 500 kg (1,102 lb) fuel and oil, (FS-1 landplane 800 kg (1,764 lb)
  • Powerplant: 2 × Shvetsov M-22 9-cyl air-cooled radial piston engines, 360 kW (480 hp) each
  • Propellers: 2-bladed bladed ground adjustable metal propellers

Performance

  • Maximum speed: 213 km/h (132 mph, 115 kn)
  • Range: 800 km (500 mi, 430 nmi) (FS-1 landplane 500 km (311 mi))
  • Service ceiling: 4,900 m (16,100 ft)
  • Time to altitude: 1,000 m (3,281 ft) in 5 minutes
  • Take-off distance: - 250 m (820 ft) / 16 seconds
  • Landing distance: - 240 m (787 ft) at 80 km/h (50 mph)
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See also

Related lists

References

Notes
  1. Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875 - 1995. London: Osprey Publishing. pp. 324–325. ISBN 1 85532 405 9.
  2. Nemecek 1986, p. 263.

Bibliography
  • Nemecek, Vaclav (1986). The History of Soviet Aircraft from 1918. London: Willow Books. ISBN 0-00-218033-2.
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