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Author Topic:   Space Cover 669: Pioneering balloon flights
cvrlvr99
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Posts: 198
From: Arlington, TX
Registered: Aug 2014

posted 09-25-2022 05:35 PM     Click Here to See the Profile for cvrlvr99   Click Here to Email cvrlvr99     Edit/Delete Message   Reply w/Quote
Space Cover of the Week, Week 669 (September 25, 2022)

Space Cover 669: Pioneering crewed balloon flights

Auguste Piccard (28 January 1884 – 24 March 1962) was a Swiss physicist, inventor and explorer known for his record-breaking hydrogen balloon flights, with which he studied the Earth's upper atmosphere. Astrophilately incorporates the pioneer crewed balloons that preceded rocket flights.

The first crewed balloon to exceed 50,000 feet was flown by Auguste Piccard in 1930. An interest in ballooning and a curiosity about the upper atmosphere led him to design a spherical, pressurized aluminum gondola that would allow ascent to a great altitude without requiring a pressure suit. Supported by the Belgian Fonds National de la Recherche Scientifique, Piccard constructed his gondola.

An important motivation for his research in the upper atmosphere was measurements of cosmic radiation, which were supposed to give experimental evidence for the theories of Albert Einstein, whom Piccard knew from the Solvay conferences and who was a fellow alumnus. The stamp on this postcard, and the photo, pictures his first crewed stratospheric flight. The postcard was cancelled on the date of his second stratospheric ascent.

The above cover was flown by Jean and Jeannette, as was her pet turtle.

After Thomas Settle's November, 1933 record flight in the "Century of Progress" balloon, it was given to Jean Piccard who was scheduled to man that flight, but was not licensed to fly it when he arrived in the U.S. to do so. Jean decided to fly it to the stratosphere. Jean concentrated on the science, while Jeannette piloted the balloon.

"She had a better chance of obtaining a pilot's license than Jean, who was preoccupied with restoring the gondola and balloon and convincing scientists to provide instruments to fly." As pilot, Jeannette became the holder of the women's altitude record of 57,579 feet for 29 years, and per several accounts, she was regarded as the first woman in space!

fimych
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Posts: 253
From: Boston MA, USA
Registered: Jun 2015

posted 09-28-2022 01:13 PM     Click Here to See the Profile for fimych   Click Here to Email fimych     Edit/Delete Message   Reply w/Quote
And here is a Soviet story:

Inspired by Auguste Piccard's experiments of 1930–1932 Soviet military aviation and engineering enthusiasts have pushed towards record breaking glory. The first of the balloons – USSR-1 (CCCP-1) has been launched on September 30, 1933 with the crew of three and reached an altitude of 19 km landing safely. Several months later on January 30, 1934 an ill-fated record breaking flight of Osoaviakhim-1 took place. After being cancelled several times and finally lifted off in the most unfavorable conditions the balloon reached unthinkable 22km (2000 meters above planned maximum altitude). During the descent the stratostat lost its buoyancy and plunged into an uncontrolled fall, disintegrating in the lower atmosphere and killing the crew. Officially the cause was overheating while remaining on the peak altitude for a long time that resulted in losing a significant volume of lifting gas required for the safe descent.

In the same 1934, on September 5 newly designed USSR-2 was destroyed on the ground by the fire when balloon cover static electricity ignited the incoming gas pumped into the lifting body. On June 26, 1935 USSR-1bis was launched with the crew of three. This balloon was actually a renovated USSS-1 and reached an altitude of 16km. During the descend it appeared that gas was leaking from the body increasing the speed. All crew members jumped from the gondola and landed safely using their parachutes. The enlightened stratostat landed softly as well and was actually considered as a successful flight.

On September 18, 1935 another record breaking attempt has been made using enormous USSR-3 designed to reach unthinkable altitude of 25-27km. unfortunately, after reaching 800 meters the statostat started to loose gas, rapidly descending and finally crash-landed severely injuring all three crew members. On October 12, 1939 USSR VR-60 “Komsomol” reached an altitude of 16km and performed all planned scientific program activities. During its descent the balloon caught fire forcing all crew members to abandon it using parachutes. The burning gondola crash-landed but the commander of the crew with the help of local workers managed to extract the documentation.

The last attempt to bring the giant balloon to the record breaking altitude has been made on June 22, 1940 in totally redesigned Osoaviakhim-2. Despite being the most advanced high altitude balloon at the time, stratostat failed to excel. Reaching 10 meters its gondola unexpectedly separated from the balloon and crashed slightly injuring the crew. The balloon body hovered for some time and landed several kilometers away. In 1941 the war stopped all the research programs connected with high altitude balloons paving the way to the "rocket age."

I do not have anything interesting to post on the subject but you are welcome to check the section on my website (on the bottom of the page).

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