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YewTube user greenmagoos
This is example how a rocket engine - Armadillo LOX/Alcohol small rocket engine with thrust only 500 lbf:
Apollo Lunar Module
Descent Propulsion System
(N2O4/Aerozine 50)
No crater should be expected. The Descent Propulsion System was throttled very far down during the final landing. The Lunar Module was no longer rapidly decelerating, so the descent engine only had to support the module's own weight, diminished by the 1/6 g lunar gravity and by the near exhaustion of the descent propellants. At landing, the engine thrust divided by the nozzle exit area is only about 10 kilopascals (1.5 PSI). Beyond the engine nozzle, the plume spreads and the pressure drops very rapidly.
Originally posted by ignorant_ape
what utter twaddle
Originally posted by trodas
Soylent Green Is People - no Apollo, it is a Geminni mission. Forget witch one, probably the one before EVA? They used the same Hasselblad cameras, but that does not matter a single bit.
Every single pictures of Sun looks the same. There are rays, and great intensity of the light - everything inside and including rays is burned to max. Hence it really did not matter what mission or camera are used.
Originally posted by trodas
So, a 500 lbs rocket engine can do THIS?! Can blast a small crater in solid CONCRETE?!
(second try) Now what can do a 9 982 lbs rocket engine of the Apollo LEM?