A lighter-than-air aircraft without its own means of propulsion, typically filled with helium, hydrogen, or hot air.
Questions tagged [balloon]
66 questions
9
votes
3 answers
Can a weather balloon move horizontally?
How does a hobby weather balloon control its flight path? Just it just keep rising straight up vertically, always at the mercy of the winds, being swayed side to side?
Unlike a rocket/drone, it does not have an engine/motor that can be controlled…
Victor
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7
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4 answers
Is it technically possible to have nuclear-powered hot-air balloons?
Could a balloon use non-fissile isotope, like Pu-238, to heat air in the envelope to stay afloat for years?
let's put political and health related problems aside, and consider if it's technically possible at all. Say, as an unmanned, high-altitude…
SF.
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4
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How to calculate the force exerted by pressure on hot air balloon envelope fabric?
How to calculate the force of hot air balloon envelope fabric?
and how to select a fabric which can bear this force?
For example, a spherality balloon:
$r=10~m$
$T_1=100~°C$
$ρ_1=0.95~kg/m^3$
$T_2=20~°C$
$ρ_2=1.25~kg/m^3$
$m=1000~kg$
Where:
$r$…
wangguoqing
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2
votes
2 answers
Hot air balloon toilet?
I have never been in Hot air balloon
But today I was wondering, what if someone in Hot air balloon wanted to pee?
how will they do it??
if there are no toilets in there, can they just do it from there to the ground? what if there was people down…
asmgx
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2
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1 answer
Are these ballast bags for a hot air balloon?
While driving around on the back side of Aspen Mountain (so up around 10,000 feet altitude) we came upon these bags of ash. They look like they could be opened up on the bottom to let the contents out, our best guess is that they are ballast bags…
Betty Crokker
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2
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1 answer
What are the risks to balloon flights in IMC, other than mid-air collision?
What are the risks to a balloon that enters IMC conditions? Mid-air collision with other IFR traffic seems obvious. What are the other risks? It seems like losing control because of losing track of what direction is "up" is unlikely compared to an…
Azendale
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