Engine Model: Star 25. Manufacturer Name: TE-M-184-3. Designer: Thiokol. Gross Mass: 236 kg (520 lb). Empty Mass: 19 kg (41 lb). Propellants: Solid. Isp: 240 sec. Diameter: 0.64 m (2.09 ft). Chambers: 1. Country: USA. Status: Out of Production. Flown: 11. Total impulse 61,086 kgf-sec. Motor propellant mass fraction 0.917.
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