On Wed, 31 Jul 2002, kevin bollinger wrote:
> uh , the thing to remember about 70% H2O2 is that it has "JUST" a little
> less energy content than needed to completely vaporize the water
> ontent( 72% is the magic number) . This is why 70% was chosen as a maximum
> for standard shipping. Its kind of, I hate to say it DUMB, to try to use it
> as a propellant , unless you need a cold gas thruster.
It's a steam rocket, with slightly wet steam. It still produces thrust.
Yes, performance is lousy, but there are applications for which it might
nevertheless be useful. (HMX was doing this under contract to Kistler,
back when Kistler's launcher was an almost-SSTO given a bit of a boost by
a reusable "launch assist platform". The peroxide engines were for the LAP.)
Henry Spencer
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