05-18-2018, 11:23 AM
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Craftsman
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Join Date: Aug 2011
Location: Washougal Washington
Posts: 375
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Quote:
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Originally Posted by tbzep
BTW, there is no ejection charge in a booster motor. The propellant grain burns through the top.
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D'oh! I always thought they were like other motors, but with no delay and no clay cap on the top. I'm glad to get the real story. |