Soviet Union's Lavochkin La-7 fighter
Design
The Lavochkin La-7 was an improved La-5.4
Wing
The wing was made of metal.4 The leading edges of the wings were aerodynamically improved.4
Engine
The La-7 had a Shvetsov radial engine installed (1,775 HP).5 The cowling over the engine was smooth.5 The La-7 had the oil radiator moved to the bottom of the fuselage.5
A few La-7s had a rocket installed in the rear to allow for short bursts of speed.5 The increased speed was about 10-15%.5
Prototype
The La-7 prototype first flew in November 1943.4
Production
- Lavochkin La-7: 5,7534
- Total: 21,8753 (includes La-5)
- Manufacturer: State Industries5
Variants
- Lavochkin La-7:
- Lavochkin La-7UTI: Trainer.4,5
- Lavochkin La-9: Designed in 1944.5 Became operational late in World War II.5 Wing redesigned.5
Usage
Started appearing in spring 1944.4
Jet Killer
In February 1945, the only Soviet fighter that shot down a Messerschmitt Me 262 jet was a La-7.4 This was done by Ivan Kozedub.5
Specifications
| Lavochkin La-71,2,3,4,5 | Lavochkin La-95 | |
|---|---|---|
| Type | Fighter4,5 | Fighter5 |
| Crew | 14,5 | |
| Engine (Type) | Shvetsov1 Shvetsov M-82FN4,5 M-82FNU or M-82FNV2 ASh-82FN3 |
|
| Cylinders | Radial1, Radial 144,5 | |
| Cooling | Air5 | |
| HP | 1,7755, 1,8504, 2,0001 | 1,8705 |
| Propeller blades | 34 | |
| Fuel capacity | ||
| Dimensions | ||
| Span | 32' 2"4,5 9.8 m4 |
|
| Length | 27' 11"5, 28' 2.5"4 8.6 m4 |
|
| Height | 9' 2"5, 9' 3"4 2.82 m4 |
|
| Wing area | ||
| Weight | ||
| Empty | 5,842 lb4 2,650 kg4 |
|
| Loaded | 7,496 lb4,5 3,400 kg4 |
|
| Performance | ||
| Speed | 423 mph2,3 680 kph2,3 |
|
| Speed @ sea level | 430 mph5 | |
| Speed @ 19,030' / 5,800 m |
423 mph4 680 kph4 |
|
| Speed @ 21,000' | 423 mph5 | |
| Climb | 3,940'/minute4 1,200 m/minute4 |
|
| Climb to 16,250' | 4' 2"5 | |
| Service ceiling | 34,450'4,5 10,500 m4 |
|
| Range | 395 miles4,5 635 km4 |
1,100 miles5 |
| Armament | 3: 20 mm ShVak5 | |
| Bombs | 330 lb5 | |
| Above engine | 2 or 3: 20 mm4 3: 20 mm2,3 |
|
| OR | 3: 23 mm2,3 | |
| Under wings | Rockets or light bombs4 |
Sources:
- Aircraft of WWII, General Editor: Jim Winchester, 2004
- Fighting Aircraft of World War II, Editor: Karen Leverington, 1995
- The Encyclopedia of Weapons of World War II, General Editor Chris Bishop, 1998
- Aircraft of WWII, Stewart Wilson, 1998
- World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976


