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Originally posted by pepsi78
That is not relevant, please provide video where some object descends from orbit with out wings , aplys vertical thrust and then lands.
I want to see it descending from orbit.
pepsi, you know full well that such footage does not exist because such maneuver is not yet possible on Earth, and filming on the Moon and other planets has it's own share of problems. Do you really need the video of something to believe it happened? Weird.
Originally posted by pepsi78
If such of tehnology would exist it would be posible here on earth , they would simply need to aply more vertical thrust, since gravity is uniform and aplys the same way everywhere
Originally posted by pepsi78
lem was 8 times lighter than on earth on the moon but still very heavy, you can move free in 0 gravity as motion, there is no slow motion of objects in 0 gravity objects can speed up regular in 0 gravity there is no force holding them up, howerer kinetic energy is present and does influence objects everywhere even in 0 gravity.
it's very hart to stop an object that is in spining or to turn an object even in 0 gravity
Strictly speaking, it's more about momentum rather than energy because you need to slow down. Either way, your statements of "very hard" or "impossible" seem to be based on blind faith because sure as hell they are not based on calculations. You are saying it's not possible... Why? Simply because you don't think so.
Originally posted by pepsi78
Acording to you it's no problem , then I don't see why it would be a problem here on earth, they just need to aply power to vertical thusters that coresponds to earth gravity, that meaning more power.
Originally posted by buddhasystem
Originally posted by pepsi78
Acording to you it's no problem , then I don't see why it would be a problem here on earth, they just need to aply power to vertical thusters that coresponds to earth gravity, that meaning more power.
pepsi,
read the post of WW re: atmospheric re-entry. Also, don't trivialize the 6 fold difference in gravity.
Originally posted by sherpa
I remember this from sometime ago the VTOL DC-X DELTA CLIPPER, I could not get any sound on this I hope everybody else has more luck
The Japanese are working on thier own version at JAXA the RVT-9
Link with video:
videox.imasty.com...
Originally posted by pepsi78
Strictly speaking, it's more about momentum rather than energy because you need to slow down. Either way, your statements of "very hard" or "impossible" seem to be based on blind faith because sure as hell they are not based on calculations. You are saying it's not possible... Why? Simply because you don't think so.
An obect is space will pick up more speed, there is no wind holding it back, galactic cosmic rays pick up speeds near the speed of light while traveling in space.
Acording to you it's no problem , then I don't see why it would be a problem here on earth, they just need to aply power to vertical thusters that coresponds to earth gravity, that meaning more power.
If it can't be done here on earth, it can done on the moon, gravity is not a problem when aplying more power, it's just that to aply vertical thust with out the posiblity to glide as an airplane at such speed is suicidal.
If it was done before I'm sure it will be no problem for you to provide us with a video clip of this acivement.
I can only imagine the lem descending at high velocity speeds from the lunar orbit and crashing, this could be the only outcome.
Originally posted by nataylor
reply to post by pepsi78
Pepsi, what about all the Mercury, Gemini, Apollo, and Soyuz space craft that were able to descend from orbit and land softly without anything more than a parachute? So obviously it is possible to deorbit and land without airfoils like the Space Shuttle.
Originally posted by pepsi78
This is the truth, you can't land a fast flying brick if it does not have wings and flaps, the space shuttle is a fast flying brick but it has wings.