Engineering:Letov Š-1

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Letov Š-1
Letov Š-2 (Kbely).JPG
A Letov Š-2 (re-engined Š-1) at the Kbely museum
Role Surveillance
Manufacturer Letov Kbely
Designer Alois Šmolík
First flight 1920[1]
Primary user Czechoslovakian Air Force
Number built 28 Š-1, 64 Š-2[1]

The Letov Š-1 was a Czechoslovak single-engined, two-seat biplane surveillance aircraft. It was the first military aircraft built in Czechoslovakia.[1] It was designed by Alois Šmolík at Letov Kbely. The Š-1 first flew in 1920.

Variants

SH-1
127 kW (170 hp) Hiero L engines. Later redesignated Š-1. 28 built.
SM-1
194 kW (260 hp) Maybach Mb.IVa engines. Later redesignated Š-2. 64 built.[1]
Sm A 1
Commercial variant. Canopy over rear cockpit for two passengers.[1]

Specifications (Š-1)

Data from The Encyclopedia of World Aircraft[1]

General characteristics

  • Crew: 2
  • Length: 8.3 m (27 ft 3 in)
  • Wingspan: 13.23 m (43 ft 5 in)
  • Height: 3.1 m (10 ft 2 in)
  • Empty weight: 861 kg (1,898 lb)
  • Max takeoff weight: 1,375 kg (3,031 lb)
  • Powerplant: 1 × Hiero L 6-cylinder water-cooledin-line piston engine, 169 kW (227 hp)
  • Propellers: 2-bladed fixed-pitch propeller

Performance

  • Maximum speed: 194 km/h (121 mph, 105 kn)
  • Range: 715 km (444 mi, 386 nmi)
  • Service ceiling: 6,000 m (20,000 ft) [2]

Armament

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Donald 1997, p. 563.
  2. Angelucci 1983, p. 146.

Further reading

  • Angelucci, Enzo (1983). The Rand McNally encyclopedia of military aircraft, 1914-1980. San Diego, California: The Military Press. ISBN 0-517-41021-4. 
  • Donald, David (1997). The encyclopedia of world aircraft (Updated ed.). Ottawa: Prospero Books. ISBN 9781856053754.