On Tue, 4 Feb 2003, Hans Ulrich Ammann wrote:
> HS> Despite being a monopropellant, peroxide is noticeably the safest of the
> HS> strong oxidizers...
>
> ...Personally I can live with any of the oxidizers that are
> reasonably used in amateur liquid and hybrid projects namely:
> H2O2, LOX, N20
Note carefully that I did not say peroxide was the *only* acceptably-safe
strong oxidizer. I concur that all three of those are quite reasonable
for amateur projects, and with some hesitation I might even add WFNA to
the list. If I were starting my own rocket project (all I need is a
40-hour day, sigh...), I'd probably use LOX.
> To suppose, that H2O2 would be safer "per se" is biased...
The conclusion that peroxide is the safest of the bunch has been reached
by others as well as me, notably one of the nontoxic-shuttle-RCS/OMS
studies.
> discriminating toward all the teams, that are working responsibly
> and safely with LOX and N2O.
"Safest" and "acceptable safe" are not the same thing. The *safest* way
to work with rockets is to just draw viewgraphs about them, and never try
to actually build one -- machine shops are dangerous places.
Henry Spencer
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