Star 37

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Engine Model: Star 37. Manufacturer Name: TE-M-364-1. Designer: Thiokol. Gross Mass: 621 kg (1,369 lb). Empty Mass: 63 kg (138 lb). Propellants: Solid. Thrust(vac): 43.500 kN (9,779 lbf). Thrust(sl): 33.600 kN (7,554 lbf). Isp: 260 sec. Isp (sea level): 220 sec. Burn time: 42 sec. Diameter: 0.66 m (2.16 ft). Length: 0.84 m (2.75 ft). Chambers: 1. Country: USA. First Flight: 1963. Last Flight: 1989. Flown: 180.

Total impulse 161,512 kgf-sec. Motor propellant mass fraction 0.899.

Engine Model: Star 37B. Manufacturer Name: TE-M-364-2. Designer: Thiokol. Gross Mass: 718 kg (1,582 lb). Empty Mass: 64 kg (141 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Isp: 291 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 23.

Total impulse 189,489 kgf-sec. Motor propellant mass fraction 0.91.

Engine Model: Star 37C. Manufacturer Name: TE-M-364-18. Designer: Thiokol. Gross Mass: 1,048 kg (2,310 lb). Empty Mass: 83 kg (182 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Isp: 286 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 9.00.

Total impulse 275,959 kgf-sec. Motor propellant mass fraction 0.921.

Engine Model: Star 37D. Manufacturer Name: TE-M-364-3. Designer: Thiokol. Gross Mass: 718 kg (1,582 lb). Empty Mass: 64 kg (141 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Isp: 266 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 34.

Total impulse 189,489 kgf-sec. Motor propellant mass fraction 0.91.

Engine Model: Star 37E. Manufacturer Name: TE-M-364-4. Designer: Thiokol. Gross Mass: 1,123 kg (2,475 lb). Empty Mass: 83 kg (182 lb). Propellants: Solid. Thrust(vac): 68.000 kN (15,287 lbf). Isp: 284 sec. Burn time: 42 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 91.

Total impulse 296,635 kgf-sec. Motor propellant mass fraction 0.926.

Engine Model: Star 37F. Manufacturer Name: TE-M-364-19. Designer: Thiokol. Gross Mass: 934 kg (2,059 lb). Empty Mass: 67 kg (147 lb). Propellants: Solid. Thrust(vac): 55.500 kN (12,477 lbf). Isp: 286 sec. Burn time: 42 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 19.

Total impulse 249,177 kgf-sec. Motor propellant mass fraction 0.928.

Engine Model: Star 37FM. Manufacturer Name: TE-M-783. Other Designations: 63-KS-10,625. Designer: Thiokol. Gross Mass: 1,147 kg (2,528 lb). Empty Mass: 81 kg (178 lb). Propellants: Solid. Thrust(vac): 47.900 kN (10,768 lbf). Isp: 290 sec. Burn time: 63 sec. Diameter: 0.93 m (3.06 ft). Length: 1.68 m (5.50 ft). Chambers: 1. Country: USA. Status: In Production. Flown: 6.00.

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.

Engine Model: Star 37G. Manufacturer Name: TE-M-364-11. Designer: Thiokol. Gross Mass: 1,152 kg (2,539 lb). Empty Mass: 86 kg (189 lb). Propellants: Solid. Isp: 290 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 4.00.

Total impulse 304,620 kgf-sec. Motor propellant mass fraction 0.925.

Engine Model: Star 37N. Manufacturer Name: TE-M-364-14. Designer: Thiokol. Gross Mass: 623 kg (1,373 lb). Empty Mass: 64 kg (141 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Isp: 290 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 9.00.

Total impulse 162,102 kgf-sec. Motor propellant mass fraction 0.898.

Engine Model: Star 37S. Manufacturer Name: TE-M-364-15. Designer: Thiokol. Gross Mass: 711 kg (1,567 lb). Empty Mass: 53 kg (116 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Isp: 287 sec. Diameter: 0.93 m (3.07 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 20.

Total impulse 190,590 kgf-sec. Motor propellant mass fraction 0.925.

Engine Model: Star 37X. Manufacturer Name: TE-M-714-1. Designer: Thiokol. Gross Mass: 1,150 kg (2,530 lb). Empty Mass: 83 kg (182 lb). Propellants: Solid. Thrust(vac): 51.100 kN (11,488 lbf). Thrust(sl): 39.600 kN (8,902 lbf). Isp: 296 sec. Isp (sea level): 230 sec. Burn time: 60 sec. Diameter: 0.94 m (3.08 ft). Length: 1.86 m (6.10 ft). Chambers: 1. Country: USA. Status: Out of Production.

Total impulse 310,668 kgf-sec. Motor propellant mass fraction 0.928.

Engine Model: Star 37XE. Designer: Thiokol. Gross Mass: 900 kg (1,980 lb). Empty Mass: 67 kg (147 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Burn time: 66 sec. Diameter: 0.94 m (3.08 ft). Length: 1.70 m (5.50 ft). Country: USA.

Engine Model: Star 37XF. Manufacturer Name: TE-M-714-6. Designer: Thiokol. Gross Mass: 953 kg (2,101 lb). Empty Mass: 68 kg (149 lb). Propellants: Solid. Thrust(vac): 45.000 kN (10,116 lbf). Isp: 290 sec. Diameter: 0.93 m (3.06 ft). Chambers: 1. Country: USA. Status: Out of Production.

Total flown included in total for Star-37XF-8. Total impulse 259,123 kgf-sec. Motor propellant mass fraction 0.929.

Engine Model: Star 37XF 8. Manufacturer Name: TE-M-714-8. Designer: Thiokol. Gross Mass: 883 kg (1,946 lb). Empty Mass: 68 kg (149 lb). Propellants: Solid. Isp: 291 sec. Diameter: 0.93 m (3.06 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 19.

Total impulse 238,809 kgf-sec. Motor propellant mass fraction 0.924.

Engine Model: Star 37XFP. Manufacturer Name: TE-M-714-16/17. Other Designations: 66-KS-8,550. Designer: Thiokol. Gross Mass: 955 kg (2,105 lb). Empty Mass: 71 kg (156 lb). Propellants: Solid. Thrust(vac): 31.500 kN (7,081 lbf). Isp: 290 sec. Burn time: 66 sec. Diameter: 0.93 m (3.06 ft). Length: 1.52 m (4.97 ft). Chambers: 1. Country: USA. Status: In Production. Flown: 16.

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.