Apollo 15 Digging a trench
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Uploader Comments (ytmoog)
Top Comments
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That is very cool the way the dirt just flies off with little effort. And this video is even clearer than when I would have seen it the first time in the 70's. Brings back fond memories. Thanks!
2 years ago 7
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Yep, 3000 lbs of thrust spread out over the ~2300 in² area of the engine bell comes out to about 1.3 PSI at the plane of the engine bell rim, which means it'll be even less at the surface.
A Harrier produces more thrust at landing and doesn't dig a crater when landing on unimproved surfaces.
2 years ago 5
Video Responses
All Comments (26)
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@MaxMSC97 This must be why scratching vinyl is not possible. You either run the whole record at one speed or another, but varying...impossible!
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At 7:06 we can clearly see arms moving at normal speed (that's couse their movement speed doesn't depend on gravity level, unlike jumps or dust speed ) That would be virtually impossible if the film was slowed down. If you're slowing down the film you're slowing everything on it. Watch any Apollo footage and you'll see the same thing.
7 months ago 2
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We should send all those hoax nuts to the moon.
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So there you are, miserable lying-eyed denialist hoax nuts, more conclusive visual proof for you that the moon landings were real. What more do you want?
2 years ago 4
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I can't believe Jarrah could be dumb enough and deceptive enough to tell people the soil is beach sand. Straydog says it's "slightly moistened" sand.
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I dont see the sand flying off remarkably different from what it would look on earth, recorded for slow motion, and also with these funny shovels they use.
They have a bend, maybe even a slight feather effect to accelerate the sand a bit. :)=
TheHorsenation 1 year ago
@TheHorsenation
"recorded for slow motion"
I take it you have not actually seen the sequence at the speed it would need for the vertical motion of the regolith to match earth gravity.
It is quite funny,,, I should really upload it.
at 2.4x speed it is ludicrous.
I doubt you would know 'truthful' if you tripped over it.
ytmoog 1 year ago
@ytmoog no you are wrong bro watch mythbusters in discovery channel and you will see
ugurkaaneksi 6 months ago
@ugurkaaneksi
What am I wrong about exactly?
ytmoog 6 months ago
Who's operating the camera in this footage?
OscarDuggan 2 years ago
The camera was attached to the rover and was remotely controlled from earth.
The camera operator on earth was called Ed Fendell.
ytmoog 2 years ago