'Abuse' What Does It Mean To You?
Society & Culture3 mins ago
23 mile freefall jump
Austrian Felix Baumgartner was due to do this soon, but now I read it’s cancelled. Does anyone know what’s happening – and if it goes ahead, is survival possible? I find it quite astonishing! Exciting - but astonishing! I really can't see how a man could survive this - but I could be wrong.
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@Naomi
Have your read about project manhigh and project excelsior, commissioned by the US AirForce, back in the late 50s, early 60s? Joe Kittinger currently holds the records for high altitude jumps, 19miles high and reaching a speed of over 600 mph.
So, I think what Baumgartner is trying to achieve is survivable - it is an extension of a already proven concept rather than a totally new activity - but I am not sure whether he will actually be able to break the sound barrier.
Read this, about Joe Kittingers experiences back in the 50s -
"To test the parachute system, staff at Wright Field built a 200 ft (61 m) high helium balloon with a capacity of nearly 3 million cubic feet (85,000 m³) which could lift an open gondola and test pilot into the stratosphere. Kittinger, who was test director for the project, made three ascents and test jumps. As the gondola was unpressurised, Kittinger had to wear a full pressure suit during these tests, plus additional layers of clothing to protect him from the extreme cold at high altitude, and the parachute system itself. This almost doubled his weight.
The first test, Excelsior I, was made on November 16th 1959. Kittinger ascended in the gondola and jumped from an altitude of 76,400 feet (23,300 m). In this first test the stabilizer chute was deployed too soon, catching Kittinger around the neck and causing him to spin at 120 revolutions per minute. This caused Kittinger to lose consciousness, but his life was saved by his main chute which opened automatically at a height of 10,000 feet (3,000 m).
Despite this near disaster on the first test, Kittinger went ahead with another test only three weeks later. The second test, Excelsior II, was made on December 11th 1959. This time Kittinger jumped from an altitude of 74,700 feet (22,800 m) and descended in free-fall for 55,000 feet (16,800 m) before opening his main chute.
The third and final test, Excelsior III, was made on August 16th 1960. During the ascent the pressure seal in Kittinger's right glove failed, and he began to experience severe pain in his right hand. He decided not to inform the ground crew about this, in case they should decide to abort the test. Despite temporarily losing the use of his right hand, he continued with the ascent, climbing to an altitude 102,800 feet (31,300 m). The ascent took one hour and 31 minutes and broke the previous manned balloon altitude record of 101,516 feet (30,942 m), which was set by Major David Simons as part of Project Manhigh in 1957. Kittinger stayed at peak altitude for 12 minutes, waiting for the balloon to drift over the landing target area. He then stepped out of the gondola to begin his descent.
The small stabilizer chute deployed successfully and Kittinger fell for 4 minutes and 36 seconds, setting a still-standing world record for the longest parachute free-fall (although some authorities do not count this as a free-fall record because of the use of the stabilizer chute). At an altitude of 17,500 feet (5,300 m), Kittinger opened his main chute and landed safely in the New Mexico desert. The whole descent took 13 minutes and 45 seconds and set the current world record for the highest parachute jump.
During the descent, Kittinger experienced temperatures as low as -94 °F (-70 °C). In the free-fall stage he reached a top speed that is variously estimated as 214 to 250 meters per second; in later interviews, Kittinger put his top speed at 714 mph (319 m/s). As the speed of sound is lower in the upper atmosphere than at ground level, this means he was traveling at transonic, and perhaps supersonic, speeds. Despite this, Kittinger said he had no sensation of speed until he approached the cloud deck."
Astonishing that he had the guts to go back up after the first dive! :)
http://en.wikipedia.org/wiki/Joseph_Kittinger
Have your read about project manhigh and project excelsior, commissioned by the US AirForce, back in the late 50s, early 60s? Joe Kittinger currently holds the records for high altitude jumps, 19miles high and reaching a speed of over 600 mph.
So, I think what Baumgartner is trying to achieve is survivable - it is an extension of a already proven concept rather than a totally new activity - but I am not sure whether he will actually be able to break the sound barrier.
Read this, about Joe Kittingers experiences back in the 50s -
"To test the parachute system, staff at Wright Field built a 200 ft (61 m) high helium balloon with a capacity of nearly 3 million cubic feet (85,000 m³) which could lift an open gondola and test pilot into the stratosphere. Kittinger, who was test director for the project, made three ascents and test jumps. As the gondola was unpressurised, Kittinger had to wear a full pressure suit during these tests, plus additional layers of clothing to protect him from the extreme cold at high altitude, and the parachute system itself. This almost doubled his weight.
The first test, Excelsior I, was made on November 16th 1959. Kittinger ascended in the gondola and jumped from an altitude of 76,400 feet (23,300 m). In this first test the stabilizer chute was deployed too soon, catching Kittinger around the neck and causing him to spin at 120 revolutions per minute. This caused Kittinger to lose consciousness, but his life was saved by his main chute which opened automatically at a height of 10,000 feet (3,000 m).
Despite this near disaster on the first test, Kittinger went ahead with another test only three weeks later. The second test, Excelsior II, was made on December 11th 1959. This time Kittinger jumped from an altitude of 74,700 feet (22,800 m) and descended in free-fall for 55,000 feet (16,800 m) before opening his main chute.
The third and final test, Excelsior III, was made on August 16th 1960. During the ascent the pressure seal in Kittinger's right glove failed, and he began to experience severe pain in his right hand. He decided not to inform the ground crew about this, in case they should decide to abort the test. Despite temporarily losing the use of his right hand, he continued with the ascent, climbing to an altitude 102,800 feet (31,300 m). The ascent took one hour and 31 minutes and broke the previous manned balloon altitude record of 101,516 feet (30,942 m), which was set by Major David Simons as part of Project Manhigh in 1957. Kittinger stayed at peak altitude for 12 minutes, waiting for the balloon to drift over the landing target area. He then stepped out of the gondola to begin his descent.
The small stabilizer chute deployed successfully and Kittinger fell for 4 minutes and 36 seconds, setting a still-standing world record for the longest parachute free-fall (although some authorities do not count this as a free-fall record because of the use of the stabilizer chute). At an altitude of 17,500 feet (5,300 m), Kittinger opened his main chute and landed safely in the New Mexico desert. The whole descent took 13 minutes and 45 seconds and set the current world record for the highest parachute jump.
During the descent, Kittinger experienced temperatures as low as -94 °F (-70 °C). In the free-fall stage he reached a top speed that is variously estimated as 214 to 250 meters per second; in later interviews, Kittinger put his top speed at 714 mph (319 m/s). As the speed of sound is lower in the upper atmosphere than at ground level, this means he was traveling at transonic, and perhaps supersonic, speeds. Despite this, Kittinger said he had no sensation of speed until he approached the cloud deck."
Astonishing that he had the guts to go back up after the first dive! :)
http://en.wikipedia.org/wiki/Joseph_Kittinger
I read that if winds exceed 2mph it becomes extremely dangerous. The most dangerous part of the jump is if your body gets into a spin and your brain can't deal with the centrifugal forces generated. Thats why when jumping from the balloon he has to do a hop so that he descends feet down perpendicularly.
I think I have found the official site for this jump. See the link below:
http://www.redbullstratos.com/live/
http://www.redbullstratos.com/live/
It's in progress now...he is 13k up. http://
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