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Old 12-18-2013, 07:40 AM
Green Dragon Green Dragon is offline
AL Swackhammer , power freak
Join Date: Sep 2005
Location: New York
Posts: 1,204

I believe the wording here, and use of the word " perforation " is indeed in reference to grain design, the CORE being referenced as ' Perforation' .

Core design - ie: burnout of the star shaped core into a cylindrical Bates type core WOULD significantly reduce thrust from that point onward.

A hole ( literal perforation ) in the grains would actually INCREASE surface area and hence thrust level.
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