Lavochkin-Gorbunov-Gudkov LaGG-3 (series 66)
| GENERAL DATA | |||
| Other Designation(s) | - |
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| Type | Fighter |
Crew | 1 |
| Manufacturer(s) | 21 (Gorky), 31
(Taganrog/Tbilisi), 23/153 (Leningrad/Novosibirsk) |
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| Production |
1, Several hundred , Lavochkin LaGG-3: 6528 (1941–1944)
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| First Flight | 28 March 1940 |
Introduction | early 1941 |
| Variants | |||
| I-22 | Prototype of LaGG-1 | ||
| I-301 | Prototype of LaGG-3 | ||
| LaGG-1 | |||
| LaGG-3 | Weight was reduced. Fixed wing slats. Revised armament. New outer wing. More fuel tanks. Late models were able to carry drop tanks. | ||
| LaGG-3K-37 | Experimental variant with 37 mm cannon | ||
| LaGG-3 (107A) | Experimental variant with Klimov M-107A engine (1650 HP) | ||
| LaGG-3 (105-02) | A lightened LaGG-3 with improved performance and improved rear vision with cut down rear decking, overtaken by newer aircraft such as the La-5. The aircraft equipped with M-105PF-2 engine. It passed state tests from 10th May to 12th June 1944. | ||
| Gudkov Gu-82 | A single LaGG-1 fitted with the 1540 hp Shvetsov M-82 14-cylinder radial air-cooled engine and propeller from a Sukhoi Su-2 | ||
| LaGG-3IT | LaGG-3 66 series with a Nudelman-Suranov NS-37 cannon | ||
| DIMENSIONS | |||
| Empty Weight | 2205 kg |
Loaded Weight | 2620 kg |
| Max takeoff weight | 3190 kg |
Length | 8.81 m |
| Wingspan | 9.8 m |
Wing area | 17.4 m² |
| Height | 2.54 m |
Wing Loading | 150 kg/m² |
| ARMAMENT | |||
| Main Guns | 1× 20 mm ShVAK cannon (*) |
Ammunition Carried | 120 |
| Secondary Guns | 2× 12.7 mm (0.50 in) Berezin BS MG (**) |
Ammunition Carried | 2 x 220 |
| Other Armament | 2 x 100 kg bomb or 6× RS-82
or RS-132 rockets up a total of 200 kg |
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(*) Propeller hub , (**) Above engine (or 2 x 7.62 mm ShKAS MG, 325 rounds each)
| POWERPLANT | |||
| Engine | 1 × Klimov M-105PF (*) |
Type & Displacement | V-12 liquid-cooled, 35.101 L |
| Horsepower (maximum) | 1239
hp |
Power/Weight Ratio | 472.9 hp / ton ** |
| Fuel Capacity |
341 liter , late models were able to carry drop tanks.
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(*) Early a/c with Klimov 1100 hp M-105P, (**) with loaded weight
| PERFORMANCES | |||
| Maximum Speed | 575 km/h
at 5000 m |
Cruise Speed | ? km/h |
| Stall Speed * | ? km/h |
Service Ceiling | 9700 m |
| Rate of Climb | 14.9 m/s |
Range | 650 km, 1000 km |
(*) vitesse de décrochage
| Sources | |||
| Wikipédia | - | - |
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Drawings |
