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Letov S-4
The Letov Š-4 was a Czechoslovak single-bay unstaggared 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
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
Bibliography
- William Green and Gordon Swanborough. The Complete Book of Fighters. Colour Library Direct, Godalming, UK: 1994. ISBN 1-85833-777-1.
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| This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Letov S-4". |
