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Ryazanskiy, Mikhail Sergeyevich
Russian chief designer. Chief Designer 1946-1951 and 1955-1987 of Nll-885. Specialized in missile and spacecraft radio guidance.

Born: 1909-04-05. Died: 1987-08-07.

Country: Russia. Bibliography: 474.

1909 April 5 - .
  • Birth of Mikhail Sergeyevich Ryazanskiy - . Nation: Russia. Related Persons: Ryazanskiy. Russian chief designer. Chief Designer 1946-1951 and 1955-1987 of Nll-885. Specialised in missile and spacecraft radio guidance..

1965 December 20 - . Launch Vehicle: N1.
  • Decision to use analogue guidance in early N1 launches - . Nation: Russia. Related Persons: Keldysh, Korolev, Pilyugin, Ryazanskiy. Program: Lunar L3. Spacecraft: LK, Soyuz 7K-LOK. Pilyugin called Keldysh to tell him he had heard that Keldysh again wanted to form an expert commission to study guidance system development problems with the N1, with Bushuyev as the head.. Additional Details: here....

1966 November 19 - .
1966 December 31 - .
  • Second session of the L1 State Commission - . Nation: Russia. Related Persons: Barmin, Chelomei, Mishin, Ryazanskiy, Spitsa, Zakharov. Program: Lunar L1. Flight: Soyuz 7K-L1 mission 1, Soyuz 7K-L1 mission 2, Soyuz 7K-L1 mission 3. Spacecraft Bus: Soyuz. Spacecraft: Soyuz 7K-L1.

    Mishin, Chelomei and Barmin report that the spacecraft, booster, and launch facilities are ready. The first unmanned launch of the L1 is set for the end of January, with the arrival of the members of state commission at Tyuratam on 10-12 January.

    The commission then considers reports on improvements needed for command, control, and recovery of manned lunar spacecraft. General Spitsa and Chief Designer Ryazanskiy list needed improvements to tracking and communications stations. These will cost more than 100 million roubles, including 50 million to equipment tracking ships. Tracking stations at Yevpatoria and Ussuriysk will require extensive new equipment for control of lunar spacecraft. Officers from TsNII-30 report on enhancements required for search and recovery forces. Due to the worldwide requirement, this can no longer be handled by the VVS alone - naval, long-range aviation, and communications forces need to be involved. Returning lunar ships will be targeted for landing on Soviet territory, but there is a great probability in the event of guidance problems of a splashdown in the Indian Ocean or a landing in Iran, Pakistan, or India. The VVS only has very limited capability for sea search and rescue. On 21 December Marshal Zakharov split manned spacecraft recovery responsibility between the VVS and VMF. To enable search and recovery of spacecraft at sea or on land outside of Soviet territory will require 12,000 to 15,000 personnel and dozens of ships, aircraft, and helicopters. A new net of ground-based radio stations and direction finders will also be needed. This will cost hundreds of millions of roubles to implement. The cost must be borne - it is clearly unacceptable that a Soviet crew fly to the moon and back, only to perish on return to earth due to inadequate recovery forces. A special subcommittee under Marshal Rudenko is named to handle the matter. Kamanin reports on training plans for lunar spacecraft. Crew training will have to begin in January 1967 for crews to complete the five-month syllabus in time for the planned flight dates. L1 commanders must be pilots with prior spaceflight experience. The second cosmonaut need not have flown before. Training of L1 and 7K-LOK crews must be carried out in parallel and separately in order to meet schedules. Mishin, the Ministry of Public Health, and Kamanin should name the crews for thee flights within five days in order to make schedule.

1968 February 1 - .
  • The LKR rescue lunar lander plan was disclosed to the other Chief Designers. - . Related Persons: Mishin, Chertok, Ryazanskiy. Spacecraft: Soyuz Kontakt, LK, LKR.

    Chertok compared the "Kontakt" and "Liga" systems, and noted that the "Liga" elements in the control loop control system simplified LK landing. MS Ryazanskiy noted that this contradicted a decision two years ago to have the LK make an autonomous landing on the moon (LK homing on and landing near a beacon was postponed at that time). But AS Mnatsanakyan supported the approach, saying it was necessary to speed up the development of the "Liga"; it provided a precision landing on the moon within 50 to 100 m of the target. (Mishin Diaries 2-120).

1969 January 10 - . LV Family: N1.
  • At a meeting with SA Afanasyev, alternative moon landing approaches were discussed. - . Related Persons: Mishin, Afanasyev, Sergei, Ryazanskiy. Spacecraft: , LK.

    SA Afanasyev considered that one near term solution would be a 2 launch scheme => 2 crew:0 crew). Ryazanskiy mentions the Ye8-4 (otherwise not identified, and states, "It is necessary to rethink the N1-L3 program. The scheme can not be single launch. (LK-R + Ye8-2); 2 launch scheme with docking in lunar orbit".

1969 January 26 - . LV Family: N1.
  • In the post-mortems on the N1 after the Apollo 8 mission, MKBS became a key justification for continuing with the N1. - . Related Persons: Mishin, Ryazanskiy, Shcheulov. Spacecraft: Soyuz, MKBS.

    MS Ryazanskiy: Our biggest problem - we think only 2 - 3 years ahead. Are we no longer prepared to create a TOS Heavy orbital station? After 7K-VI need to create a large space stations.
    VI Shcheulov: Creation of a powerful space station on the basis of N1 would offset, to to some extent, the effect of the United States winning the moon race. MKBS would achieve long-duration through rotation of crews. Modification is necessary in parallel with the existing launch vehicle. We must build two new launch facilities allowing simultaneous launches. (It is necessary to assign the task to develop those launch facilities.) Mishin Diaries 2-159)

1969 December 6 - .
  • The DOS Conspiracy in the open - . Nation: Russia. Related Persons: Afanasyev, Sergei, Chelomei, Kuznetsov, Viktor, Mishin, Pilyugin, Ryazanskiy, Ustinov. Program: Almaz, Salyut. Spacecraft: Almaz OPS, Salyut 1, Soyuz 7K-S, Soyuz 7KT-OK.

    Afanasyev met with the Chief Designers - Pilyugin, Ryazanskiy, V Kuznetsov, and Chelomei's Deputy, Eydis. Mishin was 'sick' and Chelomei had sent his deputy, as usual, to avoid having to meet Mishin. Afanasyev started with the demand that an Almaz flight take place within less than two years, before the end of the Eighth Five Year Plan. He asked Eydis to install an Igla passive docking system to permit docking with the station of the existing Soyuz 7K-OK as opposed to the planned 7K-S. If Chelomei's bureau could not meet this requirement, then the 'conspirator's' DOS project could be authorised in its place. Additional Details: here....

1970 June 16 - .
  • Soyuz 9 Day 16 - . Nation: Russia. Related Persons: Mishin, Nikolayev, Ryazanskiy, Sevastyanov. Program: Soyuz. Flight: Soyuz 9. Spacecraft Bus: Soyuz. Spacecraft: Soyuz 7K-OK.

    All is normal aboard Soyuz 9, except that one of the local telemetry commutators in Ryazanskiy's system has failed. The telemetry data involved is not critical to the flight, and Mishin and Ryazanskiy allow the flight to continue. Mishin is considering extending the flight to 19 or 20 days. To do this the crew will have to stretch their rations. Kamanin finds himself out of the decision loop, 'as usual'. The landing commission wants to complete the flight as scheduled on the 287th orbit.

1987 August 7 - .
  • Death of Mikhail Sergeyevich Ryazanskiy - . Nation: Russia. Related Persons: Ryazanskiy. Russian chief designer. Chief Designer 1946-1951 and 1955-1987 of Nll-885. Specialised in missile and spacecraft radio guidance..

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