Encyclopedia Astronautica
Star 37XFP


Thiokol solid rocket engine. 31.5 kN. In Production. Isp=290s. Orbit insertion motor qualified for Global Positioning Satellite. Used as a replacement for the discontinued STAR 37F. Propellant: 884 kg of AP/HTPB/Al in 6Al-4V titanium case.

Orbit insertion motor configuration was qualified for Rockwell International's Global Positioning Satellite, and the TE-M-714-17 configuration was qualified as the apogee motor for the RCA SATCOM KuBand satellite. This motor can be used as a replacement for the discontinued STAR 37F motor. Propellant: 884 kg of AP/HTPB/Al in 6Al-4V titanium case. Casing: semi-submerged, contour nozzle has a carbon/carbon throat insert, and the aft end igniter is. remotely initiated. Total impulse 258,660 kgf-s. Propellant mass fraction 0.925.

Propellant Formulation: HTPB.

AKA: 66-KS-8,550; TE-M-714-16/17.
Status: In Production.
Gross mass: 955 kg (2,105 lb).
Unfuelled mass: 71 kg (156 lb).
Height: 1.52 m (4.97 ft).
Diameter: 0.93 m (3.06 ft).
Thrust: 31.50 kN (7,081 lbf).
Specific impulse: 290 s.
Burn time: 66 s.
Number: 16 .

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Associated Countries
See also
Associated Manufacturers and Agencies
  • Thiokol American manufacturer of rocket engines and rockets. Thiokol Corporation, Ogden, UT, USA. More...

Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

Associated Stages
  • Star 37XFP Solid rocket stage. 31.50 kN (7,081 lbf) thrust. Mass 955 kg (2,105 lb). More...

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