| astronautix.com | Star 75 |
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| Star-75 - Credit: Thiokol. 1,781 bytes. 110 x 79 pixels. |
A tested demonstration motor as a first step in the development of a perigee kick motor in the 4080-7940 kg propellant range. Some of its features include a slotted, center perforated grain in a graphite epoxy filament wound case. with a semi-submerged nozzle with a carbon/phenolic exit cone, and a consumption wafer-type igniter. Burn Rate: 56 mm/s at 34.0 atm and 15.5 Celsius. Burn Time: 105 sec. Action Time: 107 sec. Thrust: 242.83 kN maximum. Total impulse 2,174,539 kgf-s. Propellant mass fraction 0.93.