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Kosberg, Semyon Ariyevich

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Kosberg

Born: 1903-12-14. Died: 1965-01-03.

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Kosberg

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• Birth of Semyon Ariyevich Kosberg - . Nation: Russia. Related Persons: Kosberg. Russian chief designer. Chief Designer 1941-1965 of OKB-154. Led work on engines for ICBMs and launchers..

• R-7 Failure Commission - . Nation: Russia. Related Persons: Bogomolov, Glushko, Keldysh, Korolev, Kosberg, Sokolov. Program: Vostok. Flight: Vostok 1. Spacecraft: Vostok.

  Keldysh, Korolev, Sokolov, Glushko, Bogomolov hear testimony from Kosberg on the causes of the RO-7 engine failure on the 22 December 1960 launch, that resulted in the suborbital flight of the Vostok capsule with a landing in Tura. The causes are not completely understood, but the bottom line is that a fuel line must have leaked. Further testimony is offered on the booster trajectory, landing time at various points along the trajectory, tracking station readiness, communications lessons, and recovery efforts. The communications are clearly unreliable. The radius of the HF radio is 5000 km, and 1500 km for UHF. TsP Moscow and PU Tyuratam, plus Novosibirsk, Kolpachev, Khabarovsk, and Yelizov (Kamchatka) all have HF and UHF transceivers. But due to practical reception problems, only UHF communications were available at Tyuratam, Kolpachev, and Yelizov, and only HF at Novosibirsk and Khabarovsk. It is recommended that each IP tracking station should have a Chief Communications Officer, a cosmonaut to act as capsule communicator, a physician, and a representative from the Ministry of Communications to assure action on problems.

• Cosmos 47 capsule returned to Baikonur. - . Nation: Russia. Related Persons: Kosberg. Program: Voskhod. Flight: Voskhod 1. Spacecraft Bus: Vostok. Spacecraft: Voskhod.

  The capsule arrived aboard an An-12 at 11:30. All systems performed well. It is reported that one of Kosberg's third stage engines developed an out-of-control high frequency oscillation in a stand test, and exploded. The State Commission decides to delay the manned Voskhod launch 3 or 4 days while the safety of the engines on the booster are verified. A special commission is sent to Voronezh to assess the situation. Kosberg's engines have flown 60 times, and been tested on the stand 400 times, without this problem having occurred before. In the evening seven reporters arrive from the Soviet press and begin their work leading up to the manned launch.

• Voskhod-1 State Commission - . Nation: Russia. Related Persons: Korolev, Kosberg. Program: Voskhod. Flight: Voskhod 1. Spacecraft Bus: Vostok. Spacecraft: Voskhod.

  Kosberg testifies that the problem that led to the engine explosion on the test stand was due to the stand itself and would not occur with a flight engine. Korolev agrees, and recommends launch based on the successful flight record of the engine, the successful Cosmos 47 test mission, and the completion of two successful end-to-end drop tests of the soft landing system. The commission sets launch for 12 October at 10:30 Moscow time.

• Death of Semyon Ariyevich Kosberg - . Nation: Russia. Related Persons: Kosberg. Russian chief designer. Chief Designer 1941-1965 of OKB-154. Led work on engines for ICBMs and launchers..

• Kosberg dies - . Nation: Russia. Related Persons: Kosberg. On the same day that rocket engine designer Kosberg is killed in an automobile crash, Lebedinskiy, Director of the IMBP, dies. The unexpected death of Kosberg, who's engines have reliably taken nine Soviet cosmonauts into orbit, is a particular blow..

• Kamanin and Korolev clash - . Nation: Russia. Related Persons: Glushko, Gorbatko, Katys, Korolev, Kosberg, Pilyugin, Volynov, Voronin. Program: Voskhod. Flight: Voskhod 3. Spacecraft Bus: Vostok. Spacecraft: Voskhod.

  The two have a difficult discussion over crewing for Voskhod 3. Korolev has found that Katys has been taken out of training for the mission. He does not agree with Kamanin's all-military pilot crew of Volynov and Gorbatko. Kamanin is tired of Korolev's caprices and his endless fighting with Glushko, Pilyugin, Voronin, Kosberg, and other chief designers. Korolev has had it with the military excluding civilians and civilian objectives from manned space.