Talk:Liquid rocket

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[edit] Does liquid oxidizer imply cryogenics

Should the article somehow indicate that using a liquid oxidizer (e.g. LOX) almost certainly requires cryogenics? Given the absense of a usable oxidizer that is liquid at room temperature and reasonable pressure, the conclusion is obvious. But is there a reliable source to cite for this? (Sdsds - Talk) 04:21, 23 May 2007 (UTC)

Ummmm.... 98% Hydrogen peroxide works just fine as a rocket oxidiser and is room temperature. The Isp is a few tens of seconds lower, but it has flow on orbital and suborbital missions. Also nitrogen tetroxide has seen extensive use as well.WolfKeeper 05:27, 23 May 2007 (UTC)

Oops, what was I thinking?!? Thanks for the correction! (Sdsds - Talk) 07:08, 23 May 2007 (UTC)

[edit] The diagram

That NASA diagram has a little problem in that the propellants should really be drawn out of the bottom of the tanks unless they are both gaseous. I dunno quite how to fix it myself, so leave it for someone more savy... Bill Wwheaton (talk) 14:56, 16 March 2008 (UTC)