Engineering:Voisin VII

Short description: WWI French reconnaissance aircraft

Voisin VII
Role	Reconnaissance
Manufacturer	Voisin
Designer	Gabriel Voisin
First flight	1916
Introduction	1916
Primary user	Aéronautique Militaire
Number built	100
Developed from	Voisin V
Variants	Voisin VIII and Voisin X

Voisin VII of escadrille V.114

The Voisin VII was a French reconnaissance pusher biplane aircraft of World War I.

Design

The Voisin VII was a biplane with a single engine in a pusher configuration, developed by Voisin in 1916 as an enlarged Voisin V with the engine cooling radiators moved to the nose. However, the Voisin VII was underpowered, even with improvements over its predecessor.

Operators

France

• French Air Force

Specifications

Data from

General characteristics

• Crew: 2
• Length: 10.35 m (33 ft 11 in)
• Wingspan: 17.93 m (58 ft 10 in)
• Height: 3.95 m (13 ft 0 in)
• Wing area: 61.14 m² (658.1 sq ft)
• Empty weight: 1,250 kg (2,756 lb)
• Gross weight: 1,700 kg (3,748 lb)
• Powerplant: 1 × Renault 8G V-8 water-cooled piston engine, 130 kW (180 hp)
• Propellers: 2-bladed Voisin 4, 2.98 m (9 ft 9 in) diameter wood fixed pitch pusher propeller

Performance

• Maximum speed: 112 km/h (70 mph, 60 kn) at sea level
• Endurance: 4½ hours

Armament

• Guns: 1 x 7.7 mm (0.303 in) machine gun

References

Bibliography

• Davilla, Dr. James J.; Soltan, Arthur (1997). French Aircraft of the First World War. Mountain View, CA: Flying Machines Press. ISBN 978-1891268090. 
• Hartmann, Gérard (6 January 2015). "Les héliciers français" (in fr). https://www.hydroretro.net/etudegh/heliciersfrancais.pdf.