Breitling Orbiter 3
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Breitling Orbiter 3
The balloon envelope of the Breitling Orbiter 3 at the Gasometer Oberhausen.

Breitling Orbiter was the name of three different Rozière balloons made by the company Cameron Balloons to circumnavigate the globe, named after the sponsor company Breitling. The first two balloons never completed the circumnavigation, while the third was successful during March 1999 thereby making the first nonstop flight around the world by balloon (piloted by Bertrand Piccard and Brian Jones).[1]

Breitling Orbiter 3

Breitling Orbiter 3
Breitling Orbiter Side.jpg

Breitling Orbiter 3 gondola side view

Balloon
Height: 55 m (180 ft) inflated
Fuel: Propane
Type: Rozier balloon
Model: Cameron R-650

Gondola
Height: 3.1 m (10 ft 3 in)
Length: 5.4 m (17 ft 10 in)
Weight: 2,000 kg (4,400 lb) empty
Material: Kevlar and carbon fiber
composite weave
Cabin Air: nitrogen-oxygen mixture
Cabin Pressure: 24 kPa (3.5 psi) at altitude
Manufacturer: Cameron Balloons, 1998
Location: Gondola: Udvar-Hazy Center National Air and Space Museum, Dulles Airport outside Washington D.C.

Breitling Orbiter End.jpg
Breitling Orbiter 3 gondola end view

Breitling Orbiter 3 was the first balloon to fly around the world non-stop, piloted by Bertrand Piccard and Brian Jones. Designed and built by Cameron Balloons, of Bristol, England, Breitling Orbiter 3 stood 55 m (180 ft) tall when inflated completely. The propane gas that fueled its six burners was contained in 28 titanium cylinders mounted in two rows along the sides of the gondola. Concerned about fuel consumption, the team added four additional propane containers prior to launch; these additions proved necessary to complete the trip.

The gondola is on display in the Udvar-Hazy Center at the National Air and Space Museum at Dulles Airport outside Washington DC, while the envelope was displayed at the Gasometer Oberhausen in Germany between 2004 and 2006.

Balloon

The Breitling Orbiter 3 was a Rozière balloon, which combines the features of a hot-air balloon and a gas balloon, with a helium cell within a hot-air envelope. Initially, the helium cell is filled to approximately 47% of its maximum capacity. During ascent, warming by the sun causes the helium to expand even more than the surrounding air, which aids the balloon in gaining altitude (unlike the expansion caused by the drop in atmospheric pressure, which can even hinder that until the air and helium temperatures equalize).

Gondola

The Breitling Orbiter 3 gondola was constructed of a weave of Kevlar and carbon fiber material. After launching, the cabin was sealed at 1,800 m (6,000 ft) to trap the air within it. During the flight the cabin atmosphere was supplemented by nitrogen and oxygen; carbon dioxide was removed by lithium hydroxide filters. Cabin pressure was maintained at around 24 kPa (3.5 psi) by adding oxygen and nitrogen to the cabin air as necessary. At 10,000 m (33,000 ft), the cabin pressure equaled atmospheric pressure at 3,000 m (10,000 ft). Solar panels suspended beneath the gondola recharged the on-board lead-acid batteries that provided electrical power. Satellite-based systems enabled the crew to navigate via GPS as well as communicate.

Flight

Bertrand Piccard and Brian Jones launched from the Swiss Alpine village of Château-d'Oex at 8:05, GMT, March 1, 1999. They traveled southwest over the Mediterranean and then swung east over Mauritania on March 2 at a starting meridian of 9 degrees, 12 minutes west. They landed in the Egyptian desert after being aloft 19 days, 21 hours, and 55 minutes on March 21, 1999, having traveled a distance of 40,814 km (25,361 mi). During the course of the flight, the balloon had climbed to altitudes of up to 11,737 m (38,507 ft), and achieved speeds up to 123 knots. The official "finish line" of the circumnavigation occurred over Mauritania at 4:54 AM, EST on March 19. The goal of ending in Egypt had been to touch down near the Great Pyramids; however, high winds forced the pilots to land short of their target about 80 kilometers north of Mut. Aboard, they carried a copy of Guy de Maupassant's A Life, which had been inscribed by Maupassant to Jules Verne, who had imagined such a flight in his novel, Five Weeks in a Balloon. The book had been loaned to the pilots to carry for good luck by a grandson of Jules Verne from the novelist's personal library.[2]

The daily routine was for each man to spend eight hours alone at the controls, eight hours working with his crewmate, and eight hours in the single bunk. A unique pressure-operated toilet was included in a curtained off area at the rear of the craft. Despite the use of heaters designed to maintain a cabin temperature of 59 °F (15 °C), temperatures occasionally decreased so much at night that drinking water froze and ice had to be chipped away from delicate electronic circuitry on the interior walls.

When asked by reporter Howard Schneider about the fate of Breitling Orbiter 3, the project manager Alan Noble remarked that the sponsors and the team "...would probably donate the craft to a museum. Possibly the National Air and Space Museum or the Smithsonian."[3] And indeed the gondola was located for several years on the ground floor of the National Air and Space Museum in the Milestones of Flight Gallery, next to the Wright Brothers 1903 Flyer, Charles Lindbergh's Spirit of St. Louis, the Mercury Friendship 7 capsule, the Gemini IV capsule, the Apollo 11 command module, and Space Ship One. The balloon proper was displayed temporarily at the Gasometer Oberhausen between 2004 and 2006, with a mock-up gondola.

The gondola is now displayed at the Udvar-Hazy Center of the National Air and Space Museum, Dulles Airport outside Washington D.C.

See also

References

  1. ^ FAI entry of the record Archived January 30, 2008, at the Wayback Machine.
  2. ^ Associated Press, "'Grandiose' Trip Ends: Balloonists tough down in Egyptian desert", March 22, 1999
  3. ^ Howard Schneider, "Earthbound but on Cloud Nine", The Washington Post, March 22, 1999,

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.


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