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Old March 11th 08, 08:51 AM posted to sci.space.shuttle
Alan Erskine[_2_]
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Default If a 4% concentration of hydrogen in ambient air goes BOOM...

"Damon Hill" wrote in message
...
"Alan Erskine" wrote in news:dUqBj.24424
:


But isn't that ignition/combustion?


Yes. What's the problem?


That's what I mean; why have spark ignition when they could combine O2 and
H2? Surely there's a way.