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Engine Model: S5.44. Government Designation: 5D25. Other Designations: S5.44. Designer: Isayev. Developed in: 1964-65. Application: SAM-missile 5Ya24. Propellants: Nitric acid/Amine. Thrust(vac): 177.000 kN (39,791 lbf). Throttled thrust(vac): 49.000 kN (11,015 lbf). Isp (sea level): 251 sec. Mass Engine: 124 kg (273 lb). Diameter: 0.54 m (1.77 ft). Length: 1.71 m (5.62 ft). Chambers: 1. Area Ratio: 118.00. Thrust to Weight Ratio: 145.16. Country: Russia. Status: Out of Production.

Could be throttled. 177-49 kN sea-level. Area ratio 118 - 44.

Bibliography:

  • Glushko, V P, Albom Konstruktsiy ZhRD, Vol. 1 1968, Vol. 3 & 4 1969 via Dietrich Haeseler.
  • Russian Arms Catalogue, Vol 5 and 6, Military Parade, Moscow via Dietrich Haeseler.
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