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Voisin IV
	Side view of Voisin IV
Role	Bomber
Manufacturer	Voisin
Designer	Gabriel Voisin
First flight	1915
Introduction	1915
Primary user	Aéronautique Militaire
Number built	200

The Voisin IV was a French two-seat bomber and ground attack aircraft of World War I.

Design

The Voisin IV was a biplane with a single engine in a pusher configuration, developed by Voisin in 1915 with staggered wings. It differed from earlier Voisin combat aircraft designs in having a mounted 37 mm (1.5 in) or 47 mm (1.9 in) cannon.^[1]

Variants

Voisin LB : Two-seat bomber, ground-attack biplane.
Voisin LBS : Improved version.

Operators

France

Aéronautique Militaire

Specifications

Data from Parmentier^[2]

General characteristics

Crew: 2
Length: 10.28 m (33 ft 9 in)
Wingspan: 14.74 m (48 ft 4 in)
Height: 3.8 m (12 ft 6 in)
Wing area: 49.66 m² (534.5 sq ft)
Empty weight: 1,122 kg (2,474 lb)
Gross weight: 1,400 kg (3,086 lb)
Powerplant: 1 × Salmson 9R 9-cylinder water-cooled radial piston engine, 89 kW (120 hp)
Propellers: 2-bladed fixed-pitch pusher propeller

Performance

Maximum speed: 96 km/h (60 mph, 52 kn) at 2,000 m (6,600 ft)
Service ceiling: 2,000 m (6,600 ft)

Armament

Guns: 1 × 37 mm (1.5 in) Hotchkiss Model 1885

References

^ Davilla, Dr. James J.; Soltan, Arthur (1997). French Aircraft of the First World War. Mountain View, CA: Flying Machines Press. ISBN 978-1891268090.
^ "Voisin IV". Aviafrance (in French). Paris: Bruno Parmentier. 2 February 1997. Retrieved 27 January 2019.

Bibliography

Bruce, J.M (1982). The aeroplanes of the Royal Flying Corps (Military Wing). London: Putnam. ISBN 0-370-30084-X.
Guttman, Jon; et al. (2009). Pusher aces of World War 1. Oxford: Osprey. ISBN 978-1-84603-417-6.
Klaauw, Bart van der (March–April 1999). "Unexpected Windfalls: Accidentally or Deliberately, More than 100 Aircraft 'arrived' in Dutch Territory During the Great War". Air Enthusiast (80): 54–59. ISSN 0143-5450.