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BI-1
Part of Russian Rocket Fighters Family
BI-1 Rocketplane
BI-1 Rocketplane
Credit: © Mark Wade
Russian manned rocketplane. Flown 1941. The Bereznyak-Isayev BI-1 was the first high speed rocket plane developed by the Soviet Union. Drawings were completed by spring 1941 but Stalin did not give the go-ahead for production until July 9, 1941.

Status: Operational 1941. Thrust: 10.70 kN (2,405 lbf). Gross mass: 1,683 kg (3,710 lb). Unfuelled mass: 978 kg (2,156 lb). Height: 6.40 m (20.90 ft). Span: 6.60 m (21.60 ft).

Round-the-clock shifts produced the first aircraft in 35 days. First flight was on 10 September, but the factory had to be evacuated to Sverdlovsk. The first powered flight, following accidents in ground runs of the rocket engine, came on May 15, 1942. Problems with corrosion by the acid fuels slowed testing. On flight 7 the aircraft experienced the previously unencountered tendency of an aircraft to pitch down in high-speed flight, and the rocketplane crashed into the ground, killing the pilot. Plans for a 50 aircraft production batch were abandoned, and rocketplane testing in the USSR only resumed with the testing of German designs after the war.

Crew Size: 1.



Family: Rocketplane, Suborbital. Country: Russia. Propellants: Nitric acid/Kerosene. Agency: Bereznyak bureau. Bibliography: 303, 94.

1941 July 9 - .
  • Go-ahead for the BI-1 high speed rocket plane. - . Nation: Russia. Related Persons: Isayev. Spacecraft Bus: Russian Rocket Fighters. Spacecraft: BI-1. Stalin gives the go-ahead for production of the Bereznyak-Isayev BI-1 high speed rocket plane..

1942 May 15 - .
  • First powered flight of BI-1 rocketplane. - . Crew: Bakhchivangi. Payload: BI-1 # 1 flight 1. Nation: Russia. Related Persons: Bakhchivangi. Spacecraft Bus: Russian Rocket Fighters. Spacecraft: BI-1.

    First glide flight was on 10 September 1941, but the factory had to be evacuated to Sverdlovsk. Accidents in ground runs of the rocket engine further delayed the first powered flight. First flight performance was: First flight BI-1. Maximum Speed - 400 kph. Maximum Altitude - 840 m. Flight Time - 189 sec.


1943 January 10 - .
1943 February 10 - .
  • BI-1 Flight 3 - . Crew: Gruzdev. Payload: BI-1 # 2 flight 2. Nation: Russia. Related Persons: Gruzdev. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: Russian Rocket Fighters. Spacecraft: BI-1. Maximum Speed - 675 kph. Maximum Altitude - 2190 m. Date estimated..

1943 March 11 - .
1943 March 14 - .
1943 March 21 - .
1943 March 27 - .
  • BI-1 Flight 7 - . Crew: Bakhchivangi. Payload: BI-1 # 3 flight 2. Nation: Russia. Related Persons: Bakhchivangi. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: Russian Rocket Fighters. Spacecraft: BI-1. Maximum Speed - 800 kph. Unofficial world speed record.The aircraft crashed into the ground, killing the pilot. Plans for production were abandoned. Rocketplane testing in the USSR only resumed with the testing of German designs after the war..


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