Lavochkin La-7

Lavochkin La-7
Land	Sovjetunionen
Type	Fighter
Første flyvning	1. februar 1944
Bygget	5800+

Den Lavochkin La-7 (russisk: Лавочкин Ла-7) var et stempelmotoret ensædet sovjetisk jagerfly udviklet under Anden Verdenskrig af Lavochkin Design Bureau. Det var en udvikling og forfining af Lavochkin La-5, og den sidste i en familie af fly, der var begyndt med LaGG-1 i 1938. Dens første flyvning var i begyndelsen af 1944, og den blev taget i brug med de sovjetiske luftstyrker senere på året. Et lille parti La-7'ere blev givet til det tjekkoslovakiske luftvåben året efter, men det blev ellers ikke eksporteret. Bevæbnet med to eller tre 20 mm (0,8 in) kanoner havde den en tophastighed på 661 kilometer i timen (411 mph). La-7 blev af sine piloter følt som mindst lig med enhver tysk stempelmotor. Det blev udfaset i 1947 af det sovjetiske luftvåben, men tjente indtil 1950 med det tjekkoslovakiske luftvåben.

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Lavockin La-7 Gå rundt
Fotograf	Pavel Senk
Lokalisering	Unknow
Billeder	30

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Lavochkin La-7 gå rundt
Fotograf	Unknow
Lokalisering	Unknow
Billeder	8

Lavochkin La-7

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General Characteristics

The Lavochkin La-7 was a Soviet piston-engined, single-seat fighter aircraft developed late in World War II. As the ultimate refinement of the La-5 series, the La-7 introduced significant aerodynamic improvements and the replacement of some wooden parts with aluminum, resulting in better overall performance and reduced weight. It was regarded by many Soviet pilots, including the top Allied ace Ivan Kozhedub, as the equal of any German piston-engined fighter at low to medium altitudes, excelling as an air superiority fighter and interceptor on the Eastern Front.

Property	Typical Value (1945 Production Model)
Rolle	Air Superiority Fighter, Interceptor
Producent	Lavochkin Design Bureau (OKB)
First Flight	Early 1944
I brug	1944–1947 (USSR), up to 1950 (Czechoslovakia)
No. Built	5,753
Besætning	1 (Pilot)
Længde	8.60 m (28 ft 3 in)
Vingefang	9.80 m (32 ft 2 in)
Max Takeoff Weight	3,315 kg (7,308 lb)

Powerplant and Performance

Engine: One Shvetsov ASh-82FN 14-cylinder air-cooled radial engine.
Power Output: 1,380 kW (1,850 hp).
Maximum Speed: 661 km/h (411 mph) at 6,000 m (19,700 ft). Some prototypes reached 680 km/h.
Maximum Speed (Sea Level): 597 km/h (371 mph).
Service Ceiling: 10,450 m (34,280 ft).
Rate of Climb: Approx. 15.7 m/s (3,095 ft/min).
Key Improvement: Aerodynamic refinements included moving the oil cooler from the nose to under the fuselage and relocating the engine air intake to the wing roots.

Bevæbning

Standard Armament: 2 x 20 mm ShVAK cannons (with 200 rounds per gun), firing through the propeller arc.
Alternate Armament: Later production runs were armed with 3 x 20 mm Berezin B-20 cannons (with 100 rounds per gun), which were lighter and improved firepower.
Suspended Ordnance: Up to 200 kg (440 lb) of bombs on two underwing hardpoints (typically 50 kg or 100 kg bombs).
Pilot Feedback: Pilots praised the concentration of fire from the nose-mounted cannons, though the standard ShVAK guns were sometimes criticized for having less effective damage than comparable German weapons.

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