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Originally posted by numb99
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All is possible thanks to the gyroscopes. Even back in WWII Hitler used them in the V2’s, and was controlled by a simple analog computer, primitive by late 60’s.
Originally posted by weedwhacker
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On the LEM, on Apollo, the descent stage had a fixed engine nozzle, I believe, so attitude control was accomplished with the RCS nozzles. AND, everything required a solid Inertial Nav System platform...three gyroscopes oriented in three different axes, that could sense direction of motion, and automatically provide the pulses of thrust from the RCS nozzles (sixteen in all, four at each 'corner' of the LEM) to maintain stability. It is really that simple....well, not simple in design, but simple in its physics.
Originally posted by _bigbrain_
Then you must simply defende yourself from 2,800 °C due to friction with air. Aluminum capsule will be o.k. because aluminum boils at 2,500 °C.
It's so easy that you have done this 6 times in 3 years. What a pity that today you have lost all that simple technology and you are no longer able to go there.
However LEM had a gimballed engine and 16 thrusters controlled by a powerful software used in playstation '69.
What a pity that lots of videos of LEM tested at Langley Crane have been lost.
Originally posted by weedwhacker
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I was told, just a few months back, by the son of Bill Lear, who invented the LearJet, among other things, about how his father in the EARLY 1960s was developing Auto-Land systems for commercial jets. This was cutting-edge at the time, yet it worked. Don't you think NASA would have had access to very cutting-edge tech as well?
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Originally posted by _bigbrain_
...needs a fastest CPU, needs 10 Gb RAM, needs a powerful software able to process data...
In fact that piece of metal tends to fall off in all directions at 360 degrees. To test this simple fact, try to balance a glass on your forefinger.
Originally posted by _bigbrain_What a pity that lots of videos of LEM tested at Langley Crane have been lost.
Originally posted by Soylent Green Is People
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Langley was a low-gravity simulator only, not a LEM testing facility.
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Originally posted by Soylent Green Is People
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Astronauts would practice landing the LEM hung from the crane for a few weeks before moving on the more dangerous LLTV.
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Originally posted by Soylent Green Is People
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The same sort of thing any pilot learns from first working with a flight simulator -- the layout of the controls, what each control does, and how the craft will react to different control inputs.
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Originally posted by _bigbrain_
What are you saying?
LEM, in your opinion, was a fake one.
Originally posted by _bigbrain_
How can you learn anyhing that doesn't react to your inputs?
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“All of these "flying" flight simulators -- plus the kind that don't fly -- were designed to react to the astronaut's inputs as closely as possible to the way the real LEM would, just like any other flight simulator is designed to react just like the real thing”.
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The lunar module continued its crazy gyrations across the lunar sky, and a warning light indicated that the inertial measuring unit really was about to reach its limits and go into gimbal lock. Stafford then took over in manual control, made a big pitch maneuver, and started working the attitude control switches. Snoopy finally calmed down..
Originally posted by MickeyDee
I truly believe that we did land on the moon back in '69, and so should everybody else.
So to finally end all the speculation regaurding the landings, why on earth doesnt NASA use Hubble to photograph the landing sites?
We've seen the amazing things that Hubble can do, so im sure it could give us amazing pics of the lunar surface.