[AR] Re: [UK OFFICIAL] Moon Express - HTP/kero
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Mon, 17 Jul 2017 14:01:33 -0400 (EDT)
On Mon, 17 Jul 2017, Vincent Tarantini wrote:
Just a request for clarification, I have read that > 65 % HP contracts when
it freezes.
Henry Spencer wrote:
while peroxide has an obvious problem in that (like water) it expands as it
freezes
Tsk. MEMORY ERROR DETECTED, REBOOTING... :-)
Yep, Vince is right -- low concentrations expand, but high ones -- the
main ones of interest for propulsion -- contract. Which, as I noted,
doesn't necessarily keep you out of trouble...
Henry
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