Nonflammable flight gasHow could a sail powered airship work?Lead-Zeppelin–Would this be possible?Is an atmosphere with different layers possible?A gas lighter than air allowing for easier humanoid flightIs there dense, non flammable gas that I can cover the Earth in?What planetary conditions would make flight easiest for both lighter than air and heavier than air craft?Could a microbe plausibly generate lift gas for manned balloon flight?Looking to optimize the atmospheric gas mix and pressure for humans for minimal cellular degenerationSeparating light gases from heavy without chemistry
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Nonflammable flight gas
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Nonflammable flight gas
How could a sail powered airship work?Lead-Zeppelin–Would this be possible?Is an atmosphere with different layers possible?A gas lighter than air allowing for easier humanoid flightIs there dense, non flammable gas that I can cover the Earth in?What planetary conditions would make flight easiest for both lighter than air and heavier than air craft?Could a microbe plausibly generate lift gas for manned balloon flight?Looking to optimize the atmospheric gas mix and pressure for humans for minimal cellular degenerationSeparating light gases from heavy without chemistry
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$begingroup$
What would be a lighter-than-air gas that is also not flammable, and would be fairly easy to produce in a modern-style world?
flight gas
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
|
show 4 more comments
$begingroup$
What would be a lighter-than-air gas that is also not flammable, and would be fairly easy to produce in a modern-style world?
flight gas
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
2
$begingroup$
What's wrong with helium?
$endgroup$
– AlexP
8 hours ago
$begingroup$
It's too hard to get.
$endgroup$
– ILoveAllGolems
8 hours ago
2
$begingroup$
Hard to get? Helium is a by-product of oil and gas extraction. It costs about 300 US dollars for a million standard cubic feet. (It used to be cheaper because the USA was selling off a mind-bogglingly huge century old strategic reserve, which they had put together at the beginning of the 20th century when they thought that airships would be very important in wars... That useless stash is gone now.)
$endgroup$
– AlexP
8 hours ago
2
$begingroup$
Yes, but it is incredibly hard to get more, new helium.
$endgroup$
– ILoveAllGolems
7 hours ago
1
$begingroup$
I believe you had similar problem to me - I wanted hard to get something as good or better than hydrogen, and well, after thinking of changing physics to allow existence of such thing, i Just let it go and learnt to love the helium. It's really not that bad, and you can get more lift out of it by heating it
$endgroup$
– Mranderson
7 hours ago
|
show 4 more comments
$begingroup$
What would be a lighter-than-air gas that is also not flammable, and would be fairly easy to produce in a modern-style world?
flight gas
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
What would be a lighter-than-air gas that is also not flammable, and would be fairly easy to produce in a modern-style world?
flight gas
flight gas
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
asked 8 hours ago
ILoveAllGolemsILoveAllGolems
194 bronze badges
194 bronze badges
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
ILoveAllGolems is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
2
$begingroup$
What's wrong with helium?
$endgroup$
– AlexP
8 hours ago
$begingroup$
It's too hard to get.
$endgroup$
– ILoveAllGolems
8 hours ago
2
$begingroup$
Hard to get? Helium is a by-product of oil and gas extraction. It costs about 300 US dollars for a million standard cubic feet. (It used to be cheaper because the USA was selling off a mind-bogglingly huge century old strategic reserve, which they had put together at the beginning of the 20th century when they thought that airships would be very important in wars... That useless stash is gone now.)
$endgroup$
– AlexP
8 hours ago
2
$begingroup$
Yes, but it is incredibly hard to get more, new helium.
$endgroup$
– ILoveAllGolems
7 hours ago
1
$begingroup$
I believe you had similar problem to me - I wanted hard to get something as good or better than hydrogen, and well, after thinking of changing physics to allow existence of such thing, i Just let it go and learnt to love the helium. It's really not that bad, and you can get more lift out of it by heating it
$endgroup$
– Mranderson
7 hours ago
|
show 4 more comments
2
$begingroup$
What's wrong with helium?
$endgroup$
– AlexP
8 hours ago
$begingroup$
It's too hard to get.
$endgroup$
– ILoveAllGolems
8 hours ago
2
$begingroup$
Hard to get? Helium is a by-product of oil and gas extraction. It costs about 300 US dollars for a million standard cubic feet. (It used to be cheaper because the USA was selling off a mind-bogglingly huge century old strategic reserve, which they had put together at the beginning of the 20th century when they thought that airships would be very important in wars... That useless stash is gone now.)
$endgroup$
– AlexP
8 hours ago
2
$begingroup$
Yes, but it is incredibly hard to get more, new helium.
$endgroup$
– ILoveAllGolems
7 hours ago
1
$begingroup$
I believe you had similar problem to me - I wanted hard to get something as good or better than hydrogen, and well, after thinking of changing physics to allow existence of such thing, i Just let it go and learnt to love the helium. It's really not that bad, and you can get more lift out of it by heating it
$endgroup$
– Mranderson
7 hours ago
2
2
$begingroup$
What's wrong with helium?
$endgroup$
– AlexP
8 hours ago
$begingroup$
What's wrong with helium?
$endgroup$
– AlexP
8 hours ago
$begingroup$
It's too hard to get.
$endgroup$
– ILoveAllGolems
8 hours ago
$begingroup$
It's too hard to get.
$endgroup$
– ILoveAllGolems
8 hours ago
2
2
$begingroup$
Hard to get? Helium is a by-product of oil and gas extraction. It costs about 300 US dollars for a million standard cubic feet. (It used to be cheaper because the USA was selling off a mind-bogglingly huge century old strategic reserve, which they had put together at the beginning of the 20th century when they thought that airships would be very important in wars... That useless stash is gone now.)
$endgroup$
– AlexP
8 hours ago
$begingroup$
Hard to get? Helium is a by-product of oil and gas extraction. It costs about 300 US dollars for a million standard cubic feet. (It used to be cheaper because the USA was selling off a mind-bogglingly huge century old strategic reserve, which they had put together at the beginning of the 20th century when they thought that airships would be very important in wars... That useless stash is gone now.)
$endgroup$
– AlexP
8 hours ago
2
2
$begingroup$
Yes, but it is incredibly hard to get more, new helium.
$endgroup$
– ILoveAllGolems
7 hours ago
$begingroup$
Yes, but it is incredibly hard to get more, new helium.
$endgroup$
– ILoveAllGolems
7 hours ago
1
1
$begingroup$
I believe you had similar problem to me - I wanted hard to get something as good or better than hydrogen, and well, after thinking of changing physics to allow existence of such thing, i Just let it go and learnt to love the helium. It's really not that bad, and you can get more lift out of it by heating it
$endgroup$
– Mranderson
7 hours ago
$begingroup$
I believe you had similar problem to me - I wanted hard to get something as good or better than hydrogen, and well, after thinking of changing physics to allow existence of such thing, i Just let it go and learnt to love the helium. It's really not that bad, and you can get more lift out of it by heating it
$endgroup$
– Mranderson
7 hours ago
|
show 4 more comments
2 Answers
2
active
oldest
votes
$begingroup$
Hot air. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply anywhere you can breathe.
Gaseous water. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply a lot of places. You will need a container that can withstand the steam.
Anhydrous ammonia. Dark horse candidate and never used as a lift gas to my knowledge. But definitely lighter than air and boiling at -33 C, a gas at most earthly temperatures. Caustic. Technically flammable but only at high oxygen levels so no explosion risk. Ammonia can be synthesized from N2.
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
$endgroup$
1
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
4
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
add a comment |
$begingroup$
If you can produce a thin rigid shell for your airship out of carbon or silicon, then you use the atmosphere itself as your lift gas. Neal Stephenson’s Diamond Age used this principle to make light evacuated cells that were used for tiny drones and giant airships.
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
$endgroup$
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
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$begingroup$
Hot air. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply anywhere you can breathe.
Gaseous water. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply a lot of places. You will need a container that can withstand the steam.
Anhydrous ammonia. Dark horse candidate and never used as a lift gas to my knowledge. But definitely lighter than air and boiling at -33 C, a gas at most earthly temperatures. Caustic. Technically flammable but only at high oxygen levels so no explosion risk. Ammonia can be synthesized from N2.
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
$endgroup$
1
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
4
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
add a comment |
$begingroup$
Hot air. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply anywhere you can breathe.
Gaseous water. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply a lot of places. You will need a container that can withstand the steam.
Anhydrous ammonia. Dark horse candidate and never used as a lift gas to my knowledge. But definitely lighter than air and boiling at -33 C, a gas at most earthly temperatures. Caustic. Technically flammable but only at high oxygen levels so no explosion risk. Ammonia can be synthesized from N2.
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
$endgroup$
1
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
4
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
add a comment |
$begingroup$
Hot air. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply anywhere you can breathe.
Gaseous water. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply a lot of places. You will need a container that can withstand the steam.
Anhydrous ammonia. Dark horse candidate and never used as a lift gas to my knowledge. But definitely lighter than air and boiling at -33 C, a gas at most earthly temperatures. Caustic. Technically flammable but only at high oxygen levels so no explosion risk. Ammonia can be synthesized from N2.
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
$endgroup$
Hot air. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply anywhere you can breathe.
Gaseous water. Cheap, readily available, nonflammable. The hotter, the liftier. You can replenish your supply a lot of places. You will need a container that can withstand the steam.
Anhydrous ammonia. Dark horse candidate and never used as a lift gas to my knowledge. But definitely lighter than air and boiling at -33 C, a gas at most earthly temperatures. Caustic. Technically flammable but only at high oxygen levels so no explosion risk. Ammonia can be synthesized from N2.
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
edited 7 hours ago
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
answered 7 hours ago
WillkWillk
137k34 gold badges260 silver badges569 bronze badges
137k34 gold badges260 silver badges569 bronze badges
1
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
4
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
add a comment |
1
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
4
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
1
1
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
$begingroup$
Those were so blindingly obvious I didn't even think about them. Thanks!
$endgroup$
– ILoveAllGolems
7 hours ago
4
4
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
$begingroup$
All I can think about are blindingly obvious things, so I have an advantage there.
$endgroup$
– Willk
7 hours ago
add a comment |
$begingroup$
If you can produce a thin rigid shell for your airship out of carbon or silicon, then you use the atmosphere itself as your lift gas. Neal Stephenson’s Diamond Age used this principle to make light evacuated cells that were used for tiny drones and giant airships.
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
$endgroup$
add a comment |
$begingroup$
If you can produce a thin rigid shell for your airship out of carbon or silicon, then you use the atmosphere itself as your lift gas. Neal Stephenson’s Diamond Age used this principle to make light evacuated cells that were used for tiny drones and giant airships.
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
$endgroup$
add a comment |
$begingroup$
If you can produce a thin rigid shell for your airship out of carbon or silicon, then you use the atmosphere itself as your lift gas. Neal Stephenson’s Diamond Age used this principle to make light evacuated cells that were used for tiny drones and giant airships.
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
$endgroup$
If you can produce a thin rigid shell for your airship out of carbon or silicon, then you use the atmosphere itself as your lift gas. Neal Stephenson’s Diamond Age used this principle to make light evacuated cells that were used for tiny drones and giant airships.
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
answered 4 hours ago
EDLEDL
5,5644 silver badges29 bronze badges
5,5644 silver badges29 bronze badges
add a comment |
add a comment |
ILoveAllGolems is a new contributor. Be nice, and check out our Code of Conduct.
ILoveAllGolems is a new contributor. Be nice, and check out our Code of Conduct.
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2
$begingroup$
What's wrong with helium?
$endgroup$
– AlexP
8 hours ago
$begingroup$
It's too hard to get.
$endgroup$
– ILoveAllGolems
8 hours ago
2
$begingroup$
Hard to get? Helium is a by-product of oil and gas extraction. It costs about 300 US dollars for a million standard cubic feet. (It used to be cheaper because the USA was selling off a mind-bogglingly huge century old strategic reserve, which they had put together at the beginning of the 20th century when they thought that airships would be very important in wars... That useless stash is gone now.)
$endgroup$
– AlexP
8 hours ago
2
$begingroup$
Yes, but it is incredibly hard to get more, new helium.
$endgroup$
– ILoveAllGolems
7 hours ago
1
$begingroup$
I believe you had similar problem to me - I wanted hard to get something as good or better than hydrogen, and well, after thinking of changing physics to allow existence of such thing, i Just let it go and learnt to love the helium. It's really not that bad, and you can get more lift out of it by heating it
$endgroup$
– Mranderson
7 hours ago