Voisin IV
Side view of Voisin IV
Role	Bomber Type of aircraft
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