History
This design was started in 1941 by two young Soviet engineers,
A.A.Borovkov and I.F.Florov. It was planned as advanced interceptor
powered with one pusher Tumansky M-71 radial engine
(2,000hp) assisted with two Merkulov DM-12 ramjets housed
inside the booms.
The fixed armament (2x37mm NS-37 and 2x20mm ShVAK-20
cannon) was installed in the nose of the aircraft. The cockpit
featured a pneumatic ejection system which rotated the seat
downwards and fired it clear of the propeller arc.
The mockup was almost ready when the Great Patriotic War
interrupted all works on this project.
"D" data:
Span.............14.5m
Length..........11.67m
Wing area......35mē
Top Speed.....837km/h (with ramjets)
Max. Cruise Speed..600km/h (without ramjets)
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