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S5.98M

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 mass95 kilograms (209 lb)
Used in
Briz-M and Rokot
References
References[1][2][3][4]

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]

  1. ^ a b Cite error: The named reference eurockot-UG50 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference rsw-briz was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference kbhmisaeva-14d30 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference gsp-briz was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference khrunichev-brizm was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference b14643-kbisayevkdu was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference lpre-kbkhm was invoked but never defined (see the help page).

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