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Originally posted by insideNSA
LibertyGal you are not correct in your statemetn that no one can survive high mach speeds. You are confusing velocity with acceleration. Speed is relative, currently the earth is traveling thousands of miles an hour relative the to sun, and we are all surviving this 'high speed' without a hitch.
Perhaps you are thinking about acceleration to those mach speeds. Acceleration is the only thing that can create a G-force on the pilot. However if a pilot slowly accelerates to say Mach 22, there would be barely any G-forces on the pilot at all.
Aircraft, in particular, exert g-force along the axis aligned with the spine. This causes significant variation in blood pressure along the length of the subject's body, which limits the maximum g-forces that can be tolerated.
Positive, or "upward" g, drives blood downward to the feet of a seated or standing person (more naturally, the feet and body may be seen as being driven by the upward force of the floor and seat, upward into the blood). Resistance to positive g varies. A typical person can handle about 5 g (49m/s²) before G-LOC, but through the combination of special g-suits and efforts to strain muscles—both of which act to force blood back into the brain—modern pilots can typically handle 9 g (88 m/s²) sustained (for a period of time) or more
In aircraft, g-forces are often positive (force blood towards the feet and away from the head); this causes problems with the eyes and brain in particular. As g-force is progressively increased the pilot may experience:
Grey-out, where the vision loses hue, easily reversible on levelling out.
Tunnel vision, where peripheral vision is progressively lost.
Blackout, a loss of vision while consciousness is maintained, caused by a lack of blood to the head.
Redout, a reddening of the vision while consciousness is maintained, caused by an excess of blood to the head.
G-LOC a loss of consciousness ("LOC" stands for "Loss Of Consciousness").[9]
Death, if g-forces are not quickly reduced, death can occur.
The human body is better at surviving g-forces that are perpendicular to the spine. In general when the acceleration is forwards, so that the g-force pushes the body backwards (colloquially known as "eyeballs in"[10]) a much higher tolerance is shown than when the acceleration is backwards, and the g-force is pushing the body forwards ("eyeballs out") since blood vessels in the retina appear more sensitive in the latter direction..
Early experiments showed that untrained humans were able to tolerate 17 g eyeballs-in (compared to 12 g eyeballs-out) for several minutes without loss of consciousness or apparent long-term harm.[11] The record for peak experimental horizontal g-force tolerance is held by acceleration pioneer John Stapp, in a series of rocket sled deceleration experiments culminating in a late 1954 test in which he was stopped in a little over a second from a land speed of Mach 0.9. He survived a peak "eyeballs-out" force of 46.2 times the force of gravity, and more than 25 g for 1.1 sec, proving that the human body is capable of this. Stapp lived another 45 years to age 89, but suffered lifelong damage to his vision from this last test.[12]
John Stapp was subjected to 15 g for 0.6 second and a peak of 22 g during a 19 March 1954 rocket sled test. He would eventually survive a peak of more than 46 g, with more than 25 g for 1.1 sec. [6]
Toleration of g-force also depends on its duration and the rate of change in acceleration, known as jerk. In SI units, jerk or horizontal g force g is expressed as m/s3. In non-SI units, jerk can be expressed simply as gees per second (g/s). Very short durations or high jerk forces of 100g have been claimed. There is no jerk g without push F; g=F/m, where F is mechanical push force on mass m. Then horizontal acceleration is a=gt. Then velocity at acceleration time t=600 seconds and constant g=1 m/s3 is: v=gt2=360,000 metres/second. For constant g=5 m/s3 and t=6000 second, speed v=gt2=180 million metres/second. [13]
I bet we've had antigrav since the 60's. Just look at how all the antigravity research in all the main physics journals suddenly disappeared in the late 50's after Brown's initial experiments. Talk of antigrav went from mainstream to totally disappearing right about the time we figured it out
Ben Rich of Lockheed already admitted a few times on video that we have the tech to travel amongst the stars but it would take an act of God before any of us would ever see them because they are controlled in super secret black projects.
So if we can do it, we are doing it.
It makes me wonder what Gary McKinnon actually found when he hacked our computers and found evidence of Non terrestrial based naval officers.
I'm sure Gary knows something big, and by not telling anyone he is protecting himself from being killed.
But maybe its the opposite. Maybe he should spill the beans, then if he dies we all know who did it.
Originally posted by abecedarian
All I will add is the F-14 is capable of M2+... and the SR71 is M3. Anyone else find that odd considering the effort spent blending the leading edge of the wings into the fuselage and the variable geometry intake 'cones' used to slow incoming air to the turbines (mock-ramjet?) to subsonic speeds?
I find it odd that the "fastest" plane in existence is Mach 3+ and we're developing a Mach 6+ speed plane. Wouldn't each "Mach" level need more research? So why jump from 3 to 6... unless 4 & 5 were already acheived...?
The human body is better at surviving g-forces that are perpendicular to the spine. In general when the acceleration is forwards, so that the g-force pushes the body backwards (colloquially known as "eyeballs in"[10]) a much higher tolerance is shown than when the acceleration is backwards, and the g-force is pushing the body forwards ("eyeballs out") since blood vessels in the retina appear more sensitive in the latter direction..
we DO have aircraft that can go at Mach 10+ and much higher. Though it isn't admitted to, we have evidence of this of test pilots being captured on radar doing these speeds at the same time being heard over the radio.
Originally posted by insideNSA
reply to post by Libertygal
It is obvious you never took a basic physics course. You prove my point in your own argument!!!
a g-force = a force measured by the force of gravity g
force = mass X ACCELERATION
speed relative to ANY reference point does not exert ANY force
Einstein says that the force of Gravity g = acceleration.
If what you are saying is true then there is no way our astronauts could land the space shuttle as they come in at tremendous speeds.
Originally posted by anon72
reply to post by insideNSA
we DO have aircraft that can go at Mach 10+ and much higher. Though it isn't admitted to, we have evidence of this of test pilots being captured on radar doing these speeds at the same time being heard over the radio.
Do you have any links to that info?
You got my interest!!!
Thanks in advance.
In March 2006, the History Channel broadcast a television program called "An Alien History of Planet Earth" which examined UFO reports in the context of secret military aviation programs. During the program, aviation journalist Nick Cook presented a satellite image of the continental U.S. showing a contrail allegedly originating in Nevada and extending over the Atlantic Ocean. The contrail was unusual, as it appeared different from other contrails visible on satellite images. The craft that produced those contrails was not visible on the image. Based on the details of the image, it was speculated that it indicated an aircraft flying at a speed of around 7,000 mph (Mach 10.5, or 11,265 km/h).
the big question in how it can be manned and and extreme gforce if the Plane craft did any maneuvers! Unless a big if! of the craft has the ability to have Anti gravity as maybe the borrowed technology of the Vril Craft! (Nazi made Ufos)
Originally posted by boondock-saint
www.virginmedia.com...
a link to a pic of the OXCART Plane ^^^^^^
as much as I would like to believe this story
there are quite a few holes in it, especially
the timeline and shape of UFO's reported
and 90deg turns which is impossible for
conventional aircraft. While I tend to think
these guys are telling the truth, there is even more
they are not telling. It seems to me they are using
the OXCART program as a scapegoat for UFO
sightings. Which I hardly think is equivalent
in scope to ET. And besides, there is no way
any engineer is gonna reverse engineer an
OXCART from a MIG. It's a cover story for
the masses who need disinfo.
Originally posted by Libertygal
Originally posted by FritosBBQTwist
I have been 5 feet away from the Nellis Bombing and Gunnery Range sign...got a picture too!
There is an SUV positioned maybe 70 yards away from the exact "entrance" that just watches you.
Cool read. I am more interested in the technology we have created that people do not know about than the whole "secret cover up" aspect of it.
I agree with you. I, however, do like the coverup aspect of it, as well.
I have been reading about Groom Lake for a long time, and the Cammo Dudes is one fascinating aspect to the story.
I think the fact that our technology is so much futher advanced than we are allowed to know says a lot about cover-ups, and has to lead one to question : Why?
Obviously, advanced technology in the wrong hamds levels the playing field, but by the same token, not revealing technology for 40-60 years seems almost inhumane.
The technology can be used for more than war, and because of government control and paranoia, we are literally behind the times and I find that offensive to a degree.
It feels to me along the same lines of shielding a child from something until they get older. The child is clueless to what's going on, and may have a tendency to have issues about it when the get older and discover what was happening all along. This is the only way I can explain how it makes me feel, though I am certainly not a child, the government can tend to make it seem so.
I also question where did this technology come from? I certainly feel we are an intelligent race, but I also have a great deal of skepticism about the huge boon of advancement we have made in the past 80 years or so. Moreso than at any other point in human history.
I doubt that we simply reached a stage in our evolution where our intellect just exploded. I think we are advancing, even now, at exponential rates, and simply cannot deny that it makes me suspicious.
I think sincerely, that we have had help in some form or fashion, be it from back engineering or straight forward help.
I think this is what fuels the fascination with Groom Lake/Area 51, because people *know* there are things going on there. The secrecy and Cammo Dudes and the signs, it alls plays into our suspicions, along with the Government land grab like happened at Freedom Ridge.
Originally posted by malcr
Air Speed records:
1920 - 313
1930 - 655
1940 - 755 (almost mach1)
1950 - 1124 (mach1.5)
1960 - 2585 (3.4)
1970 - 3529 (4.6)
1980 - ? should be around mach 6-7
1990 - ? should be around mach 8-9
2000 - ? should be around mach 10-11
2010 - ? should be around mach 12-13
Note how the fastest record is 40 years old. Come on! No chance. An educated guess says that the airforce has a craft capable of travelling to the moon and back in hours. Which is why Obama has stopped that pursuit by NASA and instead concentrated on Mars.
Of course that's just a guess on the other hand with the grounding of the shuttle a few years ago and the last flight shortly how did/does the paranoid military get access to it's space hardware? Hitch a ride with the russians and chinese!!!!!!!!!!!! I don't think so. The US military HAS HAD ITS OWN access to space since the 80's so a logical progression of technology puts the US military on the moon already.
Surely we won't be sending Americans over to Russia to hitch a ride?
Russia raises price tag for giving US astronauts rides to space after shuttles get scuttled
Tue Apr 6, 6:51 PM
By The Associated Press
WASHINGTON - The price for American astronauts to hitch a ride on a Russian spaceship is going sky high.
NASA on Tuesday signed a contract to pay $55.8 million per astronaut for six Americans to fly into space on Russian Soyuz capsules in 2013 and 2014. NASA needs to get rides on Russian rockets to the International Space Station because it plans to retire the space shuttle fleet later this year.
NASA now pays half as much, about $26.3 million per astronaut, when it uses Russian ships. NASA spokesman John Yembrick said the cost is going up because Russia has to build more capsules for the extra flights. NASA had already agreed to pay as much as $51 million a seat for flights in 2011 and 2012, before the latest increase.