Neha Patil (Editor)

Letov Š 4

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Top speed
  
232 km/h

Length
  
6.58 m

Retired
  
1928

Wingspan
  
8 m

Introduced
  
1923

Manufacturer
  
Letov Kbely

Letov Š-4 httpsuploadwikimediaorgwikipediacommonsthu

The Letov Š-4 was a Czechoslovak single-bay unstaggered biplane fighter and trainer in the 1920s.

Contents

Production history

The Š-4 was first created in 1922 as an intended successor to the SPAD S.VII and S.XIII in service with the newly created Czechoslovak Air Force. It first flew in 1922, with fabric-covered wooden wings and a metal fuselage and tail.

Operational history

The Czechoslovak Air Force ordered 20 Š-4s in 1922 and these were delivered in early 1923. The plane lived out the 1920s as a fighter and trainer, but by 1927 difficulties were being experienced due to the low manufacturing quality of the Š-4. As a result, all remaining Š-4s were upgraded to Š-4a trainer aircraft in 1928.

List of operators

 Czech Republic
  • Czechoslovak Air Force

    • Specifications

    General characteristics

  • Crew: One
  • Length: 6.58m (21 ft 7 in)
  • Wingspan: 8.00 m (26 ft 2⅞ in)
  • Height: 2.62m (8 ft 7⅛ in)
  • Wing area: 16.43m² (176.86 ft²)
  • Empty weight: 673 kg (1,484 lb)
  • Loaded weight: 980 kg (2,160 lb)
  • Powerplant: 1 × Hispano-Suiza 8Ba, 164 kW (220 hp)

    • Performance

  • Maximum speed: 232 km/h (144 mph)
  • Range: 500km (310 miles)
  • Time to 3,000m : 9.3 minutes

    • Armament

  • Guns: 2 x synchronised 7.7mm Vickers gun

    • References

    Letov Š-4 Wikipedia
    (Text) CC BY-SA