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originally posted by: TamtammyMacx
I read one time that though the command module was changed from a pure oxygen environment, that the LEM was not. It was even launched from Earth on the Saturn 5 with pure oxygen. It would have made it problematic on the lunar surface with all the static electricity on the moon.
The F-1B engine has a design goal to be at least as powerful as the unflown F-1A, while also being more cost effective. The design incorporates a greatly simplified combustion chamber, a reduced number of engine parts, and the removal of the F-1 exhaust recycling system, including the turbine exhaust mid-nozzle and the "curtain" cooling manifold, with the turbine exhaust having a separate outlet passage beside the shortened main nozzle on the F-1B. The reduction in parts costs is aided by using selective laser melting in the production of some metallic parts. The resulting F-1B engine is intended to produce 1,800,000 lbf (8.0 MN) of thrust at sea level, a 15% increase over the approximate 1,550,000 lbf (6.9 MN) of thrust that the mature Apollo 15 F-1 engines produced.
originally posted by: dunn00
a reply to: Grenade
yeah im learning that i should not quote the OP of the thread until i realize that some of the info was left out about this ...apparently
originally posted by: chr0naut
a reply to: cooperton
How did we (and the Russians) leave stuff there, then?
Stuff like the five laser retroreflectors that we can now shine lasers off, and get very accurate distance measurements with?
Lunar Laser Ranging experiment From Wikipedia, the free encyclopedia
originally posted by: Grenade
a reply to: openminded2011
When did i say we faked the moon landings? I questioned some of the evidence, not the event.
Also, if the Russians had questioned the legitimacy of the landings, do you think the press in the West would have reported it?