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Old July 15th 11, 07:02 AM posted to sci.space.policy,sci.astro,sci.physics,sci.space.history
Pat Flannery
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Default A kerosene-fueled X-33 as a single stage to orbit vehicle.

On 7/14/2011 11:24 AM, Rick Jones wrote:


http://www.reactionengines.co.uk/sabre.html suggests they are not
actually liquefying the air, only taking it down to the vapor boundary
(whatever that is . They present this as a difference from previous
"LACE" efforts. How much that really chances things I cannot say.


I still want to know where the nitrogen in the air goes to.


Pat