New NASA balloon successfully flight-tested over AntarcticaJanuary 9th, 2009 - 5:07 pm ICT by ANI
Washington, Jan 9 (ANI): NASA and the National Science Foundation have successfully launched and demonstrated a newly designed super pressure balloon prototype over Antarctica that may enable a new era of high-altitude scientific research.
The super-pressure balloon ultimately will carry large scientific experiments to the brink of space for 100 days or more.
This seven-million-cubic-foot super-pressure balloon is the largest single-cell, super-pressure, fully-sealed balloon ever flown.
When development ends, NASA will have a 22 million-cubic-foot balloon that can carry a one-ton instrument to an altitude of more than 110,000 feet, which is three to four times higher than passenger planes fly.
This flight test is a very important step forward in building a new capability for scientific ballooning based on sound engineering and operational development, said W. Vernon Jones, senior scientist for suborbital research at NASA Headquarters in Washington.
The test flight was launched December 28, 2008, from McMurdo Station, which is the National Science Foundations logistics hub in Antarctica.
The balloon reached a float altitude of more than 111,000 feet and continues to maintain it in its 11th day of flight.
The flight tested the durability and functionality of the scientific balloons unique pumpkin-shaped design and novel material.
The material is a special lightweight polyethylene film, about the thickness of ordinary plastic food wrap.
Our balloon development team is very proud of the tremendous success of the test flight and is focused on continued development of this new capability to fly balloons for months at a time in support of scientific investigations, said David Pierce, chief of the Balloon Program Office at NASAs Wallops Flight Facility at Wallops Island, Virginia.
The test flight has demonstrated that 100 day flights of large, heavy payloads is a realistic goal, he added.
The team has further work to do to enable the super pressure balloon to lift a one-ton instrument to a float altitude of 110,000 feet, but the team has demonstrated they are on the right path, said Jones.
In addition to the super pressure test flight, two additional long-duration balloons have been launched from McMurdo during the 2008-2009 campaign.
Ultra-long duration missions using the super pressure balloon cost considerably less than a satellite and the scientific instruments flown can be retrieved and launched again, making them ideal very-high altitude research platforms. (ANI)
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