[AR] Re: Subject: Re: S-26.500 KNSB Sugar Shot test tomorrow

  • From: "John Stoffel" <john@xxxxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Tue, 21 Feb 2023 16:01:55 -0500

"Troy" == Troy Prideaux <troy@xxxxxxxxxxxxxxxxxxxxx> writes:

In composite propellant, 94% theoretical/measured density ratio can
produce burn profile anomalies depending on chamber pressure. Never
really did much analysis of that when I was playing with candy
although I know that 90% and below is definitely concerning.

Is that because the lower density leads to voids which would increase
the burn area in a random way, driving pressure spikes?  


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