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Lavochkin La-5

lavla-5


Adaptation of the basic LaGG-3 airframe for a 14- cylinder two-row radial Shvetsov M-82 engine without major redesign resulted in the La-5 (examples converted from existing LaGG-3 airframes on the production line sometimes being referred to as LaG-5s). The prototype conversion was first flown in March 1942 with an M-82 rated at 1700hp for take-off, and the La-5 was cleared for service testing in the following September with an armament of two 20mm cannon. With completion of the conversion of existing LaGG-3 airframes, minor changes were introduced in new production aircraft, the principal of these being the cutting down of the aft fuselage decking and the introduction of a 360 degree vision canopy. Late in 1942, the improved M-82F engine became available, producing 1650hp at 1650m, aircraft fitted with this engine being designated La-5F, and, from early 1943, fuel tankage was revised. From late March 1943, the fuel injection M-82FN engine offering 1850hp for take-off replaced the carburettor-equipped M-82F, and with this power plant the fighter became the La-5FN. When the La-5 was withdrawn from production late in 1944, a total of 9,920 aircraft of this type (including La-5UTI two-seat trainers) had been built.

Prototype
Engine: Shvetsov M-82 14- cylinder two-row radial, 1700hp

La-5F
Engine: Shvetsov M-82F, 1650hp at 1650m

La-5FN
Engine: Shvetsov M-82FN, 1850hp
Max take-off weight: 3360 kg / 7408 lb
Empty weight: 2800 kg / 6173 lb
Wingspan: 9.8 m / 32 ft 2 in
Length: 8.60 m / 28 ft 3 in
Height: 2.54 m / 8 ft 4 in
Wing area: 17.50 sq.m / 188.37 sq ft
Max. speed: 648 km/h / 403 mph
Ceiling: 11000 m / 36100 ft
Range: 765 km / 475 miles

La-5UTI
Seats: 2

lavla-5ld

 

 

 

 


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