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SRM-1

Engine · USA

Original archive entry. The text, images and links below are kept as they were written.

IUS
IUS
Credit: NASA

CSD solid rocket engine. Used in TOS; IUS-1 on Shuttle, Titan 34D. Known by manufacturer as Orbus 21. Propellant: 86% solids made up of HTPB UTP-19360A. Shape: cylindrical. First flight 1982. Solid propellant rocket stage. IUS-2 stage with simplified electronics.

Thrust (sl): 70.500 kN (15,849 lbf). Thrust (sl): 7,191 kgf. Chamber Pressure: 58.00 bar. Area Ratio: 64. Propellant Formulation: HTPB.

Country
USA
Propellants
Solid
Stages
SRM-1
Agency
CSD