Originally Posted By: Tim
Its been roughly 10 years since my last thermodynamics course, but doesn't pressure have a large part to do with flash point? The normal way it is calculated is with an open cup, but I would expect pressurized vessels behave quite a bit differently.

Yes, I suppose I'm also assuming that the pressurised vessel wouldn't survive uncontrolled re-entry unpunctured. Unless the vessel is glider-shaped and made of space-shuttle tiles, that's probably a fair assumption.

Peter