S5.98M

The S5.98M, also known as the 14D30, is a Russian rocket engine, currently powering the Briz upper stages.[2][5] It was designed by KB KhIMMASH, the famous Isaev designed bureau, and it burns UDMH and N2O4 in a gas-generator cycle.[1][3][6][7]

S5.98M
Country of originRussia
First flight1990-11-20
ManufacturerKB KhIMMASH
ApplicationUpper Stage
Associated LVProton-M and Rokot
PredecessorS5.92
StatusIn Production
Liquid-fuel engine
PropellantN2O4 / UDMH
Mixture ratio2.0
CycleGas Generator
Configuration
Chamber1
Performance
Thrust, vacuum19.62 kilonewtons (4,410 lbf)
Chamber pressure9.8 megapascals (1,420 psi)
Specific impulse, vacuum328.6 seconds
Burn time3,200 seconds
Restarts7
Dimensions
Length1,150 millimetres (45 in)
Diameter948 millimetres (37.3 in)
Dry weight95 kilograms (209 lb)
Used in
Briz-M and Rokot
References
References[1][2][3][4]

See also
  • Briz-M - The upper stage that is powered by the S5.98M.
  • Proton-M - The heavy lift rocket that uses the Briz-M stage.
  • Rokot - The light lift rocket that uses the smaller Briz-KM stage.
  • Khrunichev - The manufacturer of the Briz stage and the corporate parent of the designer bureau.

References
  1. Rockot User's Guide (PDF). EUROCKOT Launch Services GmbH. April 2011. Retrieved 2015-09-03.
  2. Zak, Anatoly (2014-11-06). Briz upper stage. RussianSpaceWeb.com. Retrieved 2015-09-03.
  3. "КБХМ им.А.М.Исаева - Двигатель 14Д30. Разгонный блок "Бриз-М"" [Engine 14D30. The upper stage «Briz-M»]. kbhmisaeva.ru. KB KhIMMASH. Retrieved 2015-06-15.
  4. Kerbs, Gunter (2015-08-28). "Briz". skyrocket.de. Gunter's Space Page. Retrieved 2015-09-03.
  5. "Breeze M Upper Stage". khrunichev.ru. Khrunichev State Research and Production Space Center. Retrieved 2015-09-03.
  6. Brügge, Norbert. "Spacecraft-propulsion blocks from Isayev Design bureau (Khimmash)". b14643.de. Archived from the original on 2 June 2015. Retrieved 19 June 2015.
  7. "Конструкторское бюро химического машиностроения имени А.М.Исаева (КБХМ)" [Chemical Engineering Design Bureau name after A.M.Isaev (KBHM)]. lpre.de. Retrieved 22 June 2017.


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