[AR] Re: [LPL] IPA Effects on Copper
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Sat, 1 Apr 2017 19:58:52 -0400 (EDT)
On Sat, 1 Apr 2017, Paul Mueller wrote:
I see that the new Vector-R launch vehicle is LOX/propylene (first stage,
https://vectorspacesystems.com/vector-r/). I wonder how they handle the
polymerization issues.
If they're not doing regen cooling, it's not an issue. John Garvey, who's
been the big propylene fan, has historically also been an ablative-engines
fan. And it's hard to make regen cooling work well with pressure feed --
there's significant pressure drop in the cooling passages.
Henry
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