Salmson 4

SAL-4 AB.2
Role	Reconnaissance / Ground attack / Bomber
National origin	France
Manufacturer	Société des Moteurs Salmson
First flight	1918
Introduction	1918
Retired	1920
Primary user	Aéronautique Militaire
Number built	12^[1]
Developed from	Salmson 2

The Salmson 4 AB.2, or SAL-4 AB.2 (AB.2 - Reconnaissance Bomber two-seat) was a two-seat bomber designed and built in France during the closing stages of World War I.

Design and development

A variant of the Salmson 2, the Salmson 4 was essentially an enlarged version with a greater wingspan, three bay wings of greater area, enlarged vertical tail surfaces and detail changes to the engine installation. Twelve aircraft were built for l'Aéronautique Militaire before the end of World War I,^[1]^[2]^[3] all of which were assigned to operational escadrilles in anticipation of widespread deployment following orders for mass production, which were cancelled with the end of the war.^[1] They were withdrawn in 1920.^[1]

Specifications (SAL-4 AB.2)

Data from Salmson SAL-4^[2]

General characteristics

Crew: 2
Length: 8.78 m (28 ft 10 in)
Wingspan: 15.2 m (49 ft 10 in)
Height: 2.96 m (9 ft 9 in)
Wing area: 49.28 m² (530.4 sq ft)
Empty weight: 1,410 kg (3,109 lb)
Gross weight: 1,935 kg (4,266 lb)
Powerplant: 1 × Salmson 9Zm 9-cyl. water-cooled radial engine, 190 kW (260 hp)
Propellers: 2-bladed Regy 822^[1]
Maximum speed: 180 km/h (112 mph; 97 kn)
Range: 500 km (311 mi; 270 nmi)
Service ceiling: 6,000 m (20,000 ft)
Time to altitude: 1,000 m (3,300 ft) in 8 minutes 21 seconds

Armament

Guns: 1x fixed machine gun over the forward fuselage decking, plus 1x manually aimed machine-gun on a flexible mount in the rear cockpit

References

Notes

Citations

1 2 3 4 5 Davilla, 1997, p.447
1 2 Salmson SAL-4 accessdate=12 June 2014
↑ Grey, 1969

Bibliography

Davilla, Dr. James J.; Soltan, Arthur (1997). French Aircraft of the First World War. Mountain View, CA: Flying Machines Press. pp. 447–448. ISBN 978-1891268090.
Grey, C.G. (1969). Jane's All the World's Aircraft 1919 (Facsimile ed.). London: David & Charles (Publishers) Limited. ISBN 0-7153-4647-4.
Parmentier, Bruno. "Salmson SAL-4". aviafrance.com (in French). Retrieved 12 June 2014.

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