Sergio Picado wrote: >stored >the oxygen and hydrogen mixture under pressure?! > > Wow... let see... you got the fuel and the oxidizer under high pressure >mixed together in the same container... only the ignition source missing. I believe it is safe with regard to detonation. Compare to dynamite sealed in a metallic container, without igniter. The pressure and safety utilities mentioned by Roman should make it pretty safe. Rupture of the container due to high pressure or (if used in a vessel) external mechanic stresses is another issue... For more on Yul Brown, see: http://www.google.com/search?q=%22Yul+Brown%22 /Morgan -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.