Star 17A
Star-17A
Credit - Thiokol
Manufacturer Name: TE-M-521-5. Other Designations: 19.4-KS-3,600. Designer: Thiokol. Gross Mass: 126 kg (277 lb). Empty Mass: 14 kg (30 lb). Propellants: Solid. Thrust(vac): 16.014 kN (3,600 lbf). Isp: 287 sec. Burn time: 19 sec. Diameter: 0.44 m (1.46 ft). Length: 0.98 m (3.21 ft). Chambers: 1. Country: USA. Status: In Production. Flown: 19.

Apogee kick motor. Modifications: 175 mm straight section added to the Star 17. The 17A has been used for circularized orbits for the Skynet 1, NATO 1, and IMP-H & J satellites. This motor provides the high case safety factor required for this program. The TE-M-521-7 model used for several Air Force missions provides a typical safety factor with a 1.3 pound weight savings. Total impulse 32,556 kgf-s. Propellant mass fraction 0.89.  
 
 
 
 
 
 
 
 

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