Skip to content
79,433 pages · 13,741 images · since 1994 Browse A–Z Today in space history
Encyclopedia Astronautica The full story of spaceflight
Encyclopedia entry

Star 37FM

Engine · USA

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

Star-37FM
Star-37FM
Credit: Thiokol

Thiokol solid rocket engine. In Production. Apogee kick motor for the FLTSTACOM satellite. The motor case contained the same volume as the discontinued STAR 37E.

Upper stage motor is the apogee kick motor for the FLTSTACOM satellite. The motor case contains the same volume as the STAR 37E, which is discontinued. The semi-submerged nozzle assembly uses a 3-D carbon-carbon throat and a carbon-phenolic exit cone. Propellant: 1067 kg of AP/HTPB/Al in 6Al-4V titanium case. The motor has been qualified for propellant offloading to 1,023 kg. Total impulse 311,041 kgf-s. Propellant mass fraction 0.929.

Propellant Formulation: HTPB.

Country
USA
Propellants
Solid
Stages
Star 37FM
Agency
Thiokol