03-13-2016, 03:21 PM
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Join Date: Sep 2006
Posts: 1,209
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"The other idea is to drill into the propellant a little, creating an initial core-burner for a powerful takeoff, then a long end-burner would follow to sustain the flight and add altitude."
In a home made motor you can do this, but limit the depth and the width. In commercially made motors, I wouldn't do it. At all.
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