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

  • From: Uwe Klein <uwe@xxxxxxxxxxxxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Wed, 22 Feb 2023 09:05:54 +0100



Am 22.02.23 um 03:11 schrieb BrianK ABQ:

They had a somewhat complicated grain structure. But candy propellant has essentially no structural strength. It'll just crack. It's not hard imaging a "fin" of propellant breaking off when the motor pressures up. Even if there were no voids or such. My two cents.

What speaks against some fiber reinforcement ( cotton, cellulose, viscose ... )


Uwe

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Uwe Klein [mailto:uwe@xxxxxxxxxxxxxxxxxxx]
        Habertwedt 1
D-24376 Groedersby b. Kappeln, GERMANY

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