On Sat, 2 Nov 2002 09:59:42 +1100, "Jake Anderson"
<[EMAIL PROTECTED]> wrote:
>I was trying to avoid having a truck full of hot peroxide
You don't want hot peroxide in anything. You may want warm peroxide.
If you want warm peroxide, the truck as a piece of GSE can be
arbitrarily heavy, and can be driven away and dumped - or even
sacrificed - if it looks like something bad is starting. ("Hey intern
- that truck is really starting to vent. Here's the keys, go park it
against the perimeter fence, open all the vent valves, and get the
hell away from it. Take an HT with you." "But..." "Don't worry kid,
it's probably nothing. Just being cautious. If it blows, of course,
we'll name a street after you. Now get going!")
>perhaps a line heater mebe?
Line heaters have to deliver a lot of heat. I'd worry about vapor in
the lines if the flow slowed or stopped and the heater didn't notice.
Vapor in the lines can be bad; China Lake had a boo-boo recently where
a couple grams (which is, admittedly, a lot of vapor) of peroxide got
hit with a peroxide hammer. Compression produces adiabatic heating,
and sudden compression of peroxide vapor, combined with sudden
heating, is asking for trouble... Ask, and ye shall receive. BLAM!
Rather thoroughly destroyed the line. Oops.
>I was under the impression from Armadillo that for them at least the ambient
>temperature of their peroxide was affecting their entire run not just the
>start.
I'm under the same impression. Why Armadillo is having this problem,
and ERPS isn't, when we're using very similar equipment, is a bit of a
mystery. It must be warmer in California than it is in Texas.
-R
--
"...And the last thing I remember is asking,
'What could go wrong?'"
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