La-9 "Fritz" @·AIRCRAFTUBE

  • Lavochkin La-9 Lavochkin La-9
    Lavochkin La-9
  • At the Warbirds Over Wanaka airshow, New Zealand, in 2006 At the Warbirds Over Wanaka airshow, New Zealand, in 2006
    At the Warbirds Over Wanaka airshow, New Zealand, in 2006
  • Lavochkin La-9 Lavochkin La-9
    Lavochkin La-9
  • Lavochkin<br>La-9RD Lavochkin<br>La-9RD
    Lavochkin
    La-9RD
  • Lavochkin La-9 Lavochkin La-9
    Lavochkin La-9
  • Wanaka airshow 2006 Wanaka airshow 2006
    Wanaka airshow 2006
  • Lavochkin La-9 Lavochkin La-9
    Lavochkin La-9
  • Lavochkin La-9 Lavochkin La-9
    Lavochkin La-9
  • Lavochkin La-9 Lavochkin La-9
    Lavochkin La-9
  • Wanaka airshow 2010 Wanaka airshow 2010
    Wanaka airshow 2010
  • Lavochkin La-9RD Lavochkin La-9RD
    Lavochkin La-9RD

Lavochkin La-9

The Lavochkin La-9 (NATO reporting name Fritz) was a Soviet fighter aircraft produced shortly after World War II. It was a piston engined aircraft produced at the start of the jet age.

Development

The La-9 represents further development of the Lavochkin La-126 prototype. The first prototype, designated La-130 was finished in 1946. Similarity to the famous Lavochkin La-7 was only superficial – the new fighter had all-metal construction and a laminar flow wing. Weight savings due to elimination of wood from the airframe allowed for greatly improved fuel capacity and four-cannon armament. Mock combat demonstrated that La-130 was evenly matched with La-7 but was inferior to Yakovlev Yak-3 in horizontal planes. The new fighter, officially designated La-9, entered production in August 1946. A total of 1,559 aircraft were built by the end of production in 1948.

Variants

Like other aircraft designers at the time, Lavochkin was experimenting with using jet engines to augment performance of piston-engined fighters. One such attempt was La-130R with an RD-1Kh3 liquid fuel rocket engine in addition to the Shvetsov ASh-82FN piston powerplant. The project was cancelled in 1946 before the prototype could be assembled. A more unusual approach was La-9RD which was tested in 1947–1948. It was a production La-9 with a reinforced airframe and armament reduced to two cannons, which carried a single RD-13 pulsejet (likely of the German V-1 flying bomb origin) under each wing. The 70 km/h (45 mph) increase in top speed came at the expense of tremendous noise and vibration. The engines were unreliable and worsened the handling. The project was abandoned although between 3 and 9 La-9RD were reported to perform at airshows, no doubt pleasing the crowds with the noise.

Other notable La-9 variants were:

  • La-9UTI – two-seat trainer version. Built at GAZ-99 in Ulan-Ude. Two versions exist: with 12.7 mm UBS machine gun and with one 23 mm NS-23 cannon.
  • La-132 – prototype with upgraded Shvetsov M-93 engine. Projected top speed 740 km/h (460 mph) at 6,500 m (21,325 ft). Engine proved a failure and the single prototype was equipped with an experimental Shvetsov ASh-82M instead. The aircraft did not proceed to production.
  • La-9M (La-134) – long-range fighter prototype.
  • La-9RD – one La-9 was fitted with two underwing RD-13 auxiliary pulsejet engines.
  • La-138 – one La-9 was fitted with two underwing PVRD-450 auxiliary ramjet engines.

Operators

  • People's Republic of China : People's Liberation Army Air Force Imported 129 La-9 airplanes in 1950. The last 5 La-9 fighters retired in 1959.
  • East Germany : Volkspolizei (5 operated from 1952 to 1956 prior to the formation of the Air Forces of the National People's Army).
  • North Korea : North Korea Air Force.
  • Romania : Romanian Air Force (10 delivered in 1950: 5 La-9 and 5 La-9 UTI).
  • Soviet Union :
    • Soviet Air Force.
    • Soviet Anti-Air Defence.

Survivors

  • Only one La-9 remains in airworthy condition today, 828/N415ML owned by Jerry Yagen's Military Aviation Museum, restored by Pioneer Aero Restorations in New Zealand between 2001 and 2003.

Stored/on display

  • La-9 6201, on display at Beijing Aeronautical Institute, Beijing, China as 7504.
  • La-9 on display at People's Liberation Army Air Force Museum, Datangshan, Chiangping, China as 06.
  • La-9 on display at Central Military Museum, Bucharest, Romania as 66.
  • La-9 on display at Glorious Fatherland Liberation War Museum, Pyongyang, North Korea.
  • La-9UTI on display at People's Liberation Army Air Force Museum, Datangshan, Chiangping, China.
  • La-9 on display and flyable at the Military Aviation Museum, Virginia Beach, VA.

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This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Lavochkin La-9 of Wikipedia ( authors )

Lavochkin La-9

  • Role : Fighter.
  • National origin : Soviet Union.
  • Manufacturer : Lavochkin.
  • First flight : 1946.
  • Introduction : August 1946.
  • Primary users :
    • Soviet Air Force.
    • Romanian Air Force.
    • North Korea Air Force.
  • Produced : 1946–1948.
  • Number built : 1,559.
  • Variants : Lavochkin La-11.

    • Specifications (La-9)

  • Crew : 1.
  • Length : 8.63 m (28 ft 4 in).
  • Height : 3.56 m (11 ft 8 in).
  • Wingspan : 9.80 m (32 ft 2 in).
  • Wing area : 17.6 m² (189 ft²).
  • Wing loading : 195 kg/m² (40 lb/ft²).
  • Empty weight : 2,638 kg (5,816 lb).
  • Loaded weight : 3,425 kg (7,551 lb).
  • Max. takeoff weight : 3,676 kg (8,104 lb).
  • Maximum speed : 690 km/h (428 mph) at altitude.
  • Range : 1,735 km (1,077 mi).
  • Service ceiling : 10,800 m (35,433 ft).
  • Rate of climb : 17.7 m/s (3,484 ft/min).
  • Powerplant : One Shvetsov ASh-82FN air-cooled radial engine with a two-stage supercharger and fuel injection.
  • Power : 1,380 kW (1,850 hp).
  • Power/mass : 0.40 kW/kg (0.25 hp/lb).
  • Armament :
    • Four 23 mm Nudelman-Suranov NS-23 cannons, 75 rpg.

— — — = = — — —

This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Lavochkin La-9 of Wikipedia ( authors )
Lavochkin La-9 "Fritz" : Your comments on this subject
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