Thread: Ares vs Delta or Atlas
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Old December 31st 08, 09:16 PM posted to sci.space.policy
Quadibloc
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Default Ares vs Delta or Atlas
On Dec 31, 1:57*pm, Pat Flannery wrote:

Half of*the four chambered RD-171

Of course, the F-1 had but a *single* chamber...

John Savard