[AR] Re: APCP properties, was Re: Re: starship abort?
- From: "jake" <dmarc-noreply@xxxxxxxxxxxxx> ("jake")
- To: arocket@xxxxxxxxxxxxx
- Date: Fri, 28 Apr 2023 08:15:20 +1000
I was wondering about that, that would have been a truly impressive mixer to
watch from a very very great distance lol.I was trying to work out how you
could have one "batch" mixed in multiple mixes or something.That makes more
sense but it's still gotta be a heck of a mixer.Sent from my Galaxy
-------- Original message --------From: George Herbert
<george.herbert@xxxxxxxxx> Date: 26/4/23 5:11 am (GMT+10:00) To:
arocket@xxxxxxxxxxxxx Subject: [AR] Re: APCP properties, was Re: Re: starship
abort? On Apr 24, 2023, at 8:59 AM, David Summers <dvidsum@xxxxxxxxx>
wrote:Just to show the importance of addressing the variability of each batch
of propellant: Note that the space shuttle required that both solid rocket
boosters be cast from the same propellant batch - they were concerned about
differential thrust if they were cast from different mixes using the same
formula!https://www.space-shuttle.com/srb.htmThanks!
Shuttle didn’t quite do that, it would have required enormous mixers…. But they
did have the same batch poured into both right and left booster matching
segments of the segmented booster. There could be variations segment to
segment but they’d be the same side to side. Thrust might vary a bit flight to
flight as long as it was right/left balanced.-george
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