Star 27

Star-27
Credit - Thiokol

Manufacturer Name: TE-M-616. Other Designations: 34.35-KS-6,010. Designer: Thiokol. Application: CTS, GMS, BS, GPS, GOES. Gross Mass: 361 kg (795 lb). Empty Mass: 27 kg (59 lb). Propellants: Solid. Thrust(vac): 27.000 kN (6,069 lbf). Isp: 288 sec. Burn time: 34 sec. Diameter: 0.69 m (2.28 ft). Length: 1.30 m (4.27 ft). Chambers: 1. Country: USA. Status: In Production.

Apogee motor was developed for the Canadian Communications Research Centre's Communications Technology Satellite, and an offloaded version was qualified and flown successfully. With various propellant loadings and explosive transfer assemblies, it was used for the Broadcast Satellite Experiment, the Geostationary Meteorological Satellite, the Navigation Technology Satellite No. 2, the Global Positioning System Satellites, the P78-1 Satellite, and the Geostationary Operational Environmental Satellite. Charge: 338 kg pf AP/HTPB/Al propellant in a 6Al-4V titanium case with a graphite/carbon phenolic nozzle. Propellant mass fraction 0.924. (propellant mass can be reduced up to 25%). Total impulse 96,986 kgf-s.

Star 27 used on Spacecraft

Used on: CTS.

Used on: GMS.

Used on: GOES.

Used on: GPS Block 1.

Used on: GPS Block 2 and 2A.

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