Why Baumgartner's record dive almost didn't happen

Felix Baumgartner reflected on his dive with the BBC's Tim Muffett, saying: "We accomplished something that mattered to the whole world"

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Austrian Felix Baumgartner is the first skydiver to go faster than the speed of sound - but a severe claustrophobic reaction to the pressure suit he had to wear during his ascent to 39km (24 miles) and his freefall almost put the whole project in jeopardy.

The 43-year-old adventurer had never worked at extreme altitude before, and in order to survive the jump he needed to be more than a skydiver - he needed to become a test pilot.

His next generation, full pressure suit was made by the same company that prepares the flight suits of astronauts - but whereas a test pilot would have a couple of thousand hours to train in a pressure suit, Baumgartner only had 20.

A BBC/National Geographic documentary about the project reveals how much he struggled during the four years of training.

"Having this suit on my body and feeling it, and the smell of the rubber, made me anxious," he said.

Find out more

Felix Baumgartner on the screen at mission control
  • Space Dive is broadcast on BBC Two on Sunday 4 November at 20:30 GMT or watch online afterwards at the above link
  • Features footage from cameras attached to Felix as he broke through the sound barrier

So anxious, that he took a year off training, returned to his home in Austria and had hypnotherapy to help him prepare mentally for the challenge.

"I've never been that far from Earth - and you really hope you come back alive."

Retired US Air Force Col Joe Kittinger, who previously held the record for the highest freefall, acted as Baumgartner's radio link in mission control at Roswell airport, and understood the risks of the dive better than anyone else.

"The vacuum, the nothingness, it's waiting there to kill you immediately. It's hostile up there, there's no pressure, it's cold, there's the glare. If something breaks, that's it," he said.

The mission was funded by Red Bull - but the money came at a price - a 12 month deadline which the scientists were not used to. And for Baumgartner there were many things which he felt he had no control over. "I have to trust these scientists. If something goes wrong you're all by yourself and that is really scary."

His survival relied on one piece of technology above all others - his pressurised suit. Even experienced astronauts struggle with the suit and he had to learn to skydive in it.

Baumgartner had to fight the urge to tell the team to get him out of the suit when training in a pressure chamber.

One of the team's biggest fears was that Baumgartner's suit would fail above the Armstrong limit - the altitude that produces an atmospheric pressure so low (0.0618 atmosphere) that water boils at the normal temperature of the human body.

"You don't have the pressure of the atmosphere holding the gases in your bloodstream - so your body starts releasing all the gas. Out of every orifice you have you'll start to ooze fluids. It's like the worst possible horror film," said Art Thompson, the project team principal.

Baumgartner's hand-sewn pressure suit cost more than one million pounds and is capable of keeping him alive on the moon. It took a team of 30 people six months to make.

Part of his training focussed on acclimatising him to the suit, so he would feel as comfortable in it as in his own clothes - but it severely restricted his movements.

Intrepid Explorers

astronaut
  • 1947: Fruit flies become the first creatures in space, travelling on a US-launched V2 rocket
  • 1960: Joseph W Kittinger dives from the edge of the Earth's atmosphere at 102,600 feet
  • 1961: Yuri Gagarin orbits the Earth for nearly two hours making him the first person to journey into outer space
  • 1969: Apollo 11 astronaut Neil Armstrong sets foot on the Moon

"It's hard to describe how it feels, your movements are totally limited. You can't breathe that easily. It's difficult - you don't feel a damn thing in that suit," he said.

"When I skydive, even in winter, I don't even wear gloves. I want the air floating around my body, I want to feel the speed and the temperature."

When he first tried the suit on he said that it felt "as if the outside didn't exist anymore".

"It's just you - having a hard time breathing, and it's hard dealing with the loneliness. You start thinking about the big jump, when you're sitting in the gondola for two hours, getting higher and higher, you've totally lost your connection to the earth. If something goes wrong, you have to pay for it."

During training Baumgartner had to fight his fear - and the urge to tell the team to get him out of the suit. "I couldn't even stand being in the suit on the ground."

"The higher you go the more the suit inflates, so it gets harder to move. You can feel your stomach getting squeezed, you can feel your heart beat getting faster."

As Baumgartner went through his last-minute checks inside the capsule, it was found that a heater for his visor was not working. This meant the visor fogged up as he exhaled.

The team took a calculated risk to proceed with the jump after understanding why the problem existed.

And early in the dive there was concern that Baumgartner was in trouble. He was supposed to get himself into a delta position - head down, arms swept back - as soon as possible after leaving his capsule.

His jump from the capsule was perfect, but after passing through the sound barrier he went into a flat spin - prompting a horrible sense of dread back at mission control.

If he was unable to stop the spin blood would rush to his brain, causing a redout, which might result in an aneurysm, brain damage, or death.

However he was able to stick out both of his hands and managed to make himself stable, before pulling his parachute and breaking the records.

CLICKABLE
Felix Baumgartner's suit and capsule 1 2 3 4 7 6 5 8 9 10 11 12

Heated sun visor

Oxygen supply hose

Main parachute handle

HD camera on each leg

Suit made of layered material

Mirror to check parachute

Altitude gauge

High altitude balloon: expands with altitude

Balloon made of plastic film 0.002cm thick

Frame attaches capsule to balloon

Sliding door to exit capsule

Foam insulated shell

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