Soviet Union's FlagSoviet Union's aircraft marking

Soviet Union's Lavochkin La-7 fighter

Photos

Lavochkin La-7 fighter:
Soviet Union's Lavochkin La-7 fighter
Lavochkin La-7R fighter:
Soviet Union's Lavochkin La-7R fighter
Lavochkin La-7R fighter:
Soviet Union's Lavochkin La-7R fighter
 
Lavochkin La-7 fighter:
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:

  1. Aircraft of WWII, General Editor: Jim Winchester, 2004
  2. Fighting Aircraft of World War II, Editor: Karen Leverington, 1995
  3. The Encyclopedia of Weapons of World War II, General Editor Chris Bishop, 1998
  4. Aircraft of WWII, Stewart Wilson, 1998
  5. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976