Avi_
17th Jan 2016
12th May 2016
KerbinWide is a Nationwide RPG that opened 1/31/16, and closed 3/9/16. Thank you <3
buynordiccoal
giantponies
nationwide
nation
betterthanwow
dinosaurs
vacuumairship
kerbal
2015
onparwithwow
Comments
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Go video games
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i dunno if it will work irl though. ive used things like ideal gas laws, ideal air density, assumed air pressure is uniform for first 200m of atmosphere, assumed dry air and i rounded everything to 3sf so some numbers may be off. in game it will work though :D.
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wow... im here researching poop for fertilizer and your do IRL science for floating bronze spheres...
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WOOHOO Alevel physics! that last calculation hurt my head though...
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bronze has a denisty of 8520 kg/m3. if the spheres have a 1m diameter and 0.001 cm thickness they would have a mass of 1.071kg each (weight 10.7 newtons). air at 800C has a density of 0.000334kg/m3. this means the resulting buoancy force of the displaced air will be 97.6 newtons. which is more than enough to lift some wooden frames.
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My nation discover the joy of fertalizer! my nations new moto is if its yellow flush it down if its brown give it to your local farm!
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If you can do the maths and prove that it would be light enough then sure.
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Wait, Atomic, is the hot air balloon's envelope made of bronze?
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its the air inside it that produces the lift. there is cloth around the sphere to stop it losing heat. when the air inside the sphere heats up, it expands, becomes less dense and then rises.
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Atomic, I don't believe that the sphere would conduct the heat to the air around it very well.