05-20-2020, 06:51 PM
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Freeform rocketry advocate.
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Join Date: Jan 2008
Location: Claremont, CA "The intellectual capitol of the world."-WSJ
Posts: 3,780
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The exit cone is surprisingly short so is under expanded. They might be slightly better off by increasing the expansion angle to >30 degrees, perhaps 45 degrees. Heck, make it a curved shape since it is SU ceramic!
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