A kerosene-fueled X-33 as a single stage to orbit vehicle.

In sci.space.history William Mook wrote:

The ones that reveal you do not understand how the momentum of
moving air becomes a drag force when you stop air to liquefy it to
extract oxygen from it.

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.

rick jones
--
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- Rick Jones
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On Jul 14, 12:24*pm, Rick Jones wrote:
In sci.space.history William Mook wrote:

The ones that reveal you do not understand how the momentum of
moving air becomes a drag force when you stop air to liquefy it to
extract oxygen from it.

http://www.reactionengines.co.uk/sabre.htmlsuggests 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.

rick jones
--
If nothing else, Skylon will likely create more NOx per year than all
other commercial and military air plus surface traffic can supply.
Apparently that's a good thing.

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

In sci.space.history Pat Flannery wrote:
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 changes things
I cannot say.

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

It is used to "nitrogen enrich" the fuel a la Shell and their
commercials?-)

rick jones
--
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