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Trappe continued to experiment in cluster ballooning flights. In 2011, he replicated the floating house from the animated film Up for a National Geographic television program. [28] On July 6, 2015, Daniel Boria of Calgary, Alberta, Canada, tied about 100 helium balloons to a garden chair and flew over his city in a publicity stunt.
Fig. 2. Pressure curve for an ideal rubber balloon. When air is first added to the balloon, the pressure rises rapidly to a peak. Adding more air causes the pressure to drop. The two points show typical initial conditions for the experiment. When the valve is opened, the balloons move in the direction indicated by the arrows.
Cluster ballooning is an extreme sport and a form of ballooning where a harness attaches a balloonist to a cluster of helium-inflated rubber balloons. Unlike traditional hot-air balloons , where a single large balloon is equipped with vents enabling altitude control, cluster balloons are multiple, small, readily available and individually ...
The experiments started in the year 2000 and continued with BEAR-9 in 2012 reaching 36,010 metres (118,140 ft). [1] [2] The balloons are made of latex filled with either helium or hydrogen. All of the BEAR payloads carry a tracking system comprising a GPS receiver, an APRS encoder, and a radio transmitter module.
Balloon skewer experiment. A pin or needle is frequently used to pop a balloon. [4] As the needle or pin creates a hole on the balloon surface, the balloon pops. However, if tape is placed on the part where the hole is created, the balloon will not pop since the tape helps reinforce the elastic tension in that area, preventing the edges of the hole pulling away from the center. [5]
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Balloon Experiments with Amateur Radio (BEAR) is a series of Canadian-based high-altitude balloon experiments by a group of Amateur Radio operators and experimenters from Sherwood Park and Edmonton, Alberta. The experiments started in the year 2000 and continued with BEAR-9 in 2012, reaching 36.010 km (22.376 mi).
A Rozière balloon (or simply Rozière) is a type of hybrid balloon that has separate chambers for a non-heated lifting gas (such as hydrogen or helium) as well as for a heated lifting gas (as used in a hot air balloon or Montgolfière). [1] The design was created by Jean-François Pilâtre de Rozier (1754–1785). [2]