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Star 37

Engine · USA

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

Thiokol solid rocket engine. Total impulse 161,512 kgf-sec. Motor propellant mass fraction 0.899. First flight 1963. Solid propellant rocket stage. Burner II was a launch vehicle upper stage developed by Boeing for the Air Force Space Systems Division. It was the first solid-fuel upper stage with full control and guidance capability developed for general space applications.

Thrust (sl): 33.600 kN (7,554 lbf). Thrust (sl): 3,428 kgf.

Subtopics

  • Star 37XE Thiokol solid rocket engine.
  • Star 37XF 8 Thiokol solid rocket engine. Out of Production. Total impulse 238,809 kgf-sec. Motor propellant mass fraction 0.924.
  • Star 37B Thiokol solid rocket engine. Out of Production. Total impulse 189,489 kgf-sec. Motor propellant mass fraction 0.91.
  • Star 37C Thiokol solid rocket engine. Out of Production. Total impulse 275,959 kgf-sec. Motor propellant mass fraction 0.921.
  • Star 37D Thiokol solid rocket engine. Out of Production. Total impulse 189,489 kgf-sec. Motor propellant mass fraction 0.91.
  • Star 37E Thiokol solid rocket engine. Out of Production. Total impulse 296,635 kgf-sec. Motor propellant mass fraction 0.926.
  • Star 37F Thiokol solid rocket engine. Out of Production. Total impulse 249,177 kgf-sec. Motor propellant mass fraction 0.928.
  • Star 37XF Thiokol solid rocket engine. Out of Production. Total flown included in total for Star-37XF-8. Total impulse 259,123 kgf-sec. Motor propellant mass fraction 0.929.
  • Star 37G Thiokol solid rocket engine. Out of Production. Total impulse 304,620 kgf-sec. Motor propellant mass fraction 0.925.
  • Star 37FM 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.
  • Star 37N Thiokol solid rocket engine. Out of Production. Total impulse 162,102 kgf-sec. Motor propellant mass fraction 0.898.
  • Star 37XFP Thiokol solid rocket engine. In Production. 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.
  • Star 37S Thiokol solid rocket engine. Out of Production. Total impulse 190,590 kgf-sec. Motor propellant mass fraction 0.925.
  • Star 37X Thiokol solid rocket engine. Out of Production. Total impulse 310,668 kgf-sec. Motor propellant mass fraction 0.928.
  • Star 37Y Thiokol solid rocket engine. Out of Production. Total impulse 317,856 kgf-sec. Motor propellant mass fraction 0.93.
Country
USA
Spacecraft
GPS Block 2R
Propellants
Solid
Stages
Star 37
Agency
Thiokol