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General Info
Société SNCAM
Dewoitine D.520
Role | Fighter aircraft |
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Manufacturer | SNCAM / SNCASE |
First flight | 2 October 1938 |
Introduction | January 1940 |
Retired | 1953 |
Primary users | French Air Force Luftwaffe Regia Aeronautica Bulgarian Air Force |
Number built | c.900 |
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History Société nationale des constructions aéronautiques du Midi SNCAMDewoitine D.520
The Dewoitine D.520 is a French fighter aircraft that entered service in early 1940, shortly after the beginning of the Second World War.The D.520 was designed in response to a 1936 requirement from the French Air Force for a fast, modern fighter with a good climbing speed and an armament centred on a 20 mm cannon. At the time the most powerful V-12 liquid-cooled engine available in France was the Hispano-Suiza 12Y, which was less powerful, but lighter than contemporary engines such as the Rolls-Royce Merlin and Daimler-Benz DB 601. Other fighters were designed to meet the specifications but none of them entered service, or entered service in small numbers, too late to play a significant role during the Battle of France.
Following the armistice of 1940, the D.520 continued to be used, being operated by both the Free French Air Force and the Vichy French Air Force..
Armament
Production-standard armament consisted of a 20 mm (0.787 in) HS.404, which had an ammunition capacity of 60 rounds, firing through the propeller hub, and four belt-fed MAC 1934 M39 7.5 mm (0.295 in) machine guns in the wings, with 675 rounds per gun. The MAC 1934 machine guns had a high rate of fire of 1,200 rounds per minute (rpm), while the HS.404 had an effective rate of fire of 600 rpm and was accurate up to 500 m (1,600 ft); the ammunition capacity meant that the machine guns could be fired for a total of 30 seconds, while the cannon had ten seconds' worth of ammunition.
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Société nationale des constructions aéronautiques du Midi SNCAMDewoitine D.520
Avions Marcel Dassault-Breguet Aviation
Société nationale des constructions aéronautiques du Midi SNCAMDewoitine D.520
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General Info
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- Crew: One
- Length: 8.6 m (28 ft 3 in)
- Wingspan: 10.2 m (33 ft 6 in)
- Height: 2.57 m (8 ft 5 in)
- Wing area: 15.87 m2 (170.8 sq ft)
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Powerplant
- Empty weight: 2,123 kg
- Gross weight: 2,677 kg
- Max takeoff weight: 2,785 kg
- Powerplant: 1 × Hispano-Suiza 12Y-49 V-12 liquid-cooled piston engine, 710 kW (950 hp)
- Propellers: 3-bladed Chauvière type 3918, 3 m (9 ft 10 in) diameter pneumatically operated variable-pitch propeller
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Specifications
- Maximum speed: 560 km/h
- Range: 1,250 km (780 mi)
- Service ceiling: 10,000 m
- Rate of climb: 14.3 m/s (2,810 ft/min)
- Wing loading: 167 kg/m2 (34 lb/sq ft)
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Armament
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- Guns:
- 1 × 20 mm (0.787 in) Hispano-Suiza HS.404 (60-round drum) cannon
- 4 × 7.5 mm (0.295 in) MAC 1934 (675 rpg) machine guns
- Guns:
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The Dewoitine D.520 was the most advanced French fighter aircraft of the World War II period to have been employed in large numbers during the Battle of France.
Société SNCAMDewoitine D.520
The Dewoitine D.520 was the most advanced French fighter aircraft of the French.
Aircrafttotal :Marcel Dassault Aviations
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