Success! Skydiver Jumps From The Edge Of Space

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(CNN) — Skydiver Felix Baumgartner’s successfuly completed and survived his record-breaking free fall from the stratosphere Sunday afternoon.

With nothing but a space suit, helmet and parachute, Baumgartner jumped from a balloon at a higher altitude than anyone ever has —  more than 120,000 feet (about 23 miles), more than three times the cruising altitude of the average airliner. Unofficially, the fall lasted approximately 4 minutes and 22 seconds.

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The Austrian daredevil, dubbed “Fearless Felix,” hoped to be the first person to break the sound barrier without the protection of a vehicle. At that altitude, the thin air provides so little resistance that after just 40 seconds, he was expected to be free-falling faster than 690 miles an hour.

“He’s prepared. He’s done the hard work,” his performance coach, Andy Walshe, told reporters last week.

On the day of the launch, “we wake him up at 2 a.m.,” he said. “We’re in a very prescribed routine at that point. Every moment — what has to happen. That’s what helps you keep your focus.”

Project meteorologist Don Day said Saturday that weather conditions Sunday look favorable at ground level, but he is keeping an eye on the potential for stronger winds at higher altitudes — including possible wind speeds exceeding 100 mph at the jet stream level.

Baumgartner almost made an attempt last Tuesday from his launch site in Roswell, New Mexico. But as he was waiting in his capsule for the giant helium balloon to finish inflating, a gust of wind twisted the balloon like a spinnaker, and ruined it.

“We had a few minutes of chaos and hell,” said Art Thompson, the technical project director for the mission, after Tuesday’s setback.

He said the failed attempt cost them a balloon worth several hundred thousand dollars, plus around $65,000 worth of helium. “This was, unfortunately, an extremely expensive dress rehearsal of what we want to do,” he said.

But with a backup balloon on site — and more helium as well — the main question now is the weather.

After Tuesday’s launch was scrubbed, Baumgartner tweeted, “We’ve made it so far, there’s no way turning back.”

After the launch, Baumgartner spent more than two hours on the ascent in a capsule hanging from the helium balloon. Then he opened the hatch, climbed out, jumped off the step with a bunny hop, and formed a crouched “delta” position to maximize his acceleration.

He planned to fall 115,000 feet in less than five minutes, then deploy a parachute for the final 5,000 feet to earth.

The attempt had serious risks. He and his team practiced how he can avoid getting trapped in a dangerous “horizontal spin.” His life also depend on the integrity of his pressure suit, since temperatures could hit 70 degrees below zero Fahrenheit or lower, and the atmosphere will be so thin that his blood would vaporize if he were unprotected.

If he lost consciousness during the five-minute plunge, he would survive only if his parachute deployed automatically.

Another unknown: the effects on the body of breaking the sound barrier. While reaching such speeds can cause stress on an aircraft, planners for this jump believe there will be little effect on Baumgartner because he will be at an altitude at which there is so little air that shock waves are barely transmitted.

Baumgartner is an Austrian helicopter pilot and former soldier who has parachuted from such landmarks as the Petronas Towers in Malaysia and the Christ the Redeemer statue in Rio de Janeiro.

He has been preparing for his latest feat for five years — both physically and mentally.

“You have to remember all the procedures,” he said in an interview during testing for the jump. “You know you’re in a really hostile environment. And you cannot think about anything else. You have to be focused. Otherwise, you’re gonna die.”

The balloon being used is light and translucent. The material is only .0008 of an inch thick, one-tenth as thick as a sandwich bag, and it will change shape and size as it rises.

The pressurized helmet and suit, which restrict Baumgartner’s mobility and together weigh 100 pounds, have been equipped with sensors and recorders to measure everything from his speed to his heart rate.

The record for such a jump is currently held by Col. Joe Kittinger, who in 1960 jumped from 102,800 feet as part of a U.S. Air Force mission. More than 50 years later, Kittinger is a consultant on Baumgartner’s effort, and will be the one from mission control who speaks to Baumgartner over the headset throughout the attempt.

After a test jump earlier this year, when the two lost communication with each other, Baumgartner told CNN he realized how much he relies on Kittinger as a mentor.

“Immediately you can feel how lonely you feel,” Baumgartner said. “I wanted to hear the voice because I am so used to this. Every time we have been practicing on the ground, Joe was talking to me. So I am used to the voice, and [it] makes me feel safe.”

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