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2. List of balloon uses - Wikipedia

   en.wikipedia.org/wiki/List_of_balloon_uses

   lifting people, or daring prison escapes, usually with a hot air balloon, Rozière balloon or a gas balloon airship , a steerable balloon hybrid airship , which combines characteristics of heavier-than-air (HTA) technology, fixed-wing aircraft or helicopter , and lighter-than-air (LTA), aerostat technology.

3. Ed Yost - Wikipedia

   en.wikipedia.org/wiki/Ed_Yost

   One of Yost's key engineering insights was that a hot-air balloon could be made to carry its own fuel. The invention of relatively light burners fueled by bottled propane made it possible for the balloonist to re-heat the air inside the balloon for a longer flight. Yost’s invention improved modern hot-air balloons into semi-maneuverable aircraft.

4. Non-rocket spacelaunch - Wikipedia

   en.wikipedia.org/wiki/Non-rocket_spacelaunch

   Balloons can raise the initial altitude of rockets. However, balloons have relatively low payload (although see the Sky Cat project for an example of a heavy-lift balloon intended for use in the lower atmosphere), and this decreases even more with increasing altitude. The lifting gas could be helium or hydrogen.

5. Rockoon - Wikipedia

   en.wikipedia.org/wiki/Rockoon

   A Deacon rockoon just after shipboard launch. A rockoon at liftoff, August 2022. A rockoon (from rocket and balloon) is a sounding rocket that, rather than being lit immediately while still on the ground, is first carried into the upper atmosphere by a gas-filled balloon, then separated from the balloon and ignited.

6. Sky anchor - Wikipedia

   en.wikipedia.org/wiki/Sky_anchor

   A sky anchor is a system of two balloons in tandem, with a "zero-pressure" lifting gas balloon tethered to a superpressure balloon "anchor". The gas balloon is filled with a lifting gas and provides the buoyancy, while the superpressure balloon is filled with air, and pressurized to provide the desired ballast weight. In a passive sky anchor ...

7. Loon LLC - Wikipedia

   en.wikipedia.org/wiki/Loon_LLC

   A Loon balloon at the Christchurch launch event in June 2013. Loon LLC was an Alphabet Inc. subsidiary working on providing Internet access to rural and remote areas. The company used high-altitude balloons in the stratosphere at an altitude of 18 km (11 mi) to 25 km (16 mi) to create an aerial wireless network with up to 1 Mbit/s speeds.