Lavochkin La-9
1946
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Lavochkin La-9

Closely related to the La-126, the La-130 - first flown on 16 June 1946 - embodied a number of refinements, both aerodynamic and structural, and featured a revised fuel system of increased capacity. It retained the ASh-82FN radial of the preceding fighters, but provision was made for a quartet of 23mm NS-23 cannon. Series production was authorised in November 1946 as the La-9, deliveries to the VVS commencing February 1947 from GAZ 21 at Gor'kiy. A tandem two-seat training version, the La-9UTI, was flown in July 1947, and series production continued for three years, 1,630 single-seaters and 265 two-seaters being built.

La-9RD

One example, designated La-138, was fitted with two PVRD-430 ramjets of 300kg underwing, factory testing being performed during March and April 1947, and increases in level speed of 107 to 112km/h were recorded in level flight. A small batch of aircraft was completed with underwing provision for RD-13 pulsating athodyds, or pulse-jets, as La-9RDs. These boosters were found to have a deleterious effect on handling characteristics.

3-View 
Lavochkin La-9A three-view drawing (1673 x 1240)


Specification 
 WEIGHTS
    Take-off weight3676 kg8104 lb
    Empty weight2660 kg5864 lb
 DIMENSIONS
    Wingspan9.8 m32 ft 2 in
    Length8.6 m28 ft 3 in
    Wing area17.7 m2190.52 sq ft
 PERFORMANCE
    Max. speed690 km/h429 mph
    Ceiling10800 m35450 ft
    Range1735 km1078 miles

La-138

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