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Yak-4
[1]
Role Light bomber
Manufacturer Yakovlev
Designer Alexander Sergeyevich Yakovlev
First flight 1940?
Introduction 1941
Retired 1945
Primary user VVS
Number built 90
Developed from Yakovlev Yak-2

The Yakovlev Yak-4 (Service names Yak-4, BB-22bis ( "Blizhnij Bombardirivschik", "short-range bomber")) was a Soviet light bomber used during World War II. It was developed from the Ya-22/Yak-2.

ContentsEdit

[hide] *1 Design and development

Design and developmentEdit

The Yak-4 was an improved version of the Yak-2 with more powerful Klimov M-105 engines and a number of other changes that were made to try to rectify the problems of the Yak-2. Two additional fuel tanks were added in the outer wings to bring the total capacity up to 180 litres (40 imp gal; 48 US gal) and the gunner's canopy was bulged to give him more room to use his 7.62 mm (0.300 in) ShKAS machine gun. The upper fuselage was redesigned to improve the gunner's field of fire and the oil coolers were relocated from the sides of the engine nacelles to the 'chin' position to improve their performance.

OperatorsEdit

Soviet Union

Specifications (Yak-4)Edit

Data from Gunston, The Osprey Encyclopaedia of Russian Aircraft 1875–1995

General characteristics

Performance

Armament

ReferencesEdit

NotesEdit

===Bibliography===

External linksEdit

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