High Altitude Platform: Power Requirements

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The discussion centers on the feasibility of creating a floating platform with a 10x10 meter footprint at 10 km altitude, addressing power requirements, weight, and environmental challenges. Participants emphasize the need for the platform to support its own weight with technology like balloons and solar panels, while also considering extreme temperatures and high winds at that altitude. Questions arise about aircraft licensing and air traffic, with some suggesting that operating at 20 km could mitigate these issues. The conversation also touches on the practicality of using a weather balloon for lifting the payload. Overall, the feasibility of the project hinges on clarifying weight specifications and environmental considerations.
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I have a platform 10x10 m footprint, 15 m height, I need it to permanently float at about 10km, doesn't need to navigate. That volume can have some tech like balloons, batteries, propellers, solar panels etc. What is the power req for this could be?
How would I approach this task:
I have a platform 10x10 meters footprint, 15 meters height, I need it to permanently float at about 10km, doesn't need to navigate/steer.
That volume can contain some tech inside like balloons, batteries, propellers, solar panels etc.
What is the power requirement for this could be?
Thank you!
 
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Baluncore said:
How much does it weigh ?
It needs to support its own weight with w/e tech it uses.
Baluncore said:
Is it licensed as an aircraft ?
How will you avoid all the other aircraft up there ?
Doesn't matter, consider it's above an area that doesn't have any air traffic.
Baluncore said:
Are you aware that the temperature at 10 km is a steady -67°C ?
Yes, so the tech the platform uses need to function at this temperature.
Baluncore said:
Are you aware that the winds at 10 km can be 300 km/h ?
No, let assume there is no wind, also no meteor showers, solar flares, falling space debris etc.
Baluncore said:
It is less windy at 20 km, and there are fewer aircraft.
The higher the better but not in space in case you ask, let's limit it to 20km.

-- I'm asking about power estimate --
 
alikim said:
It needs to support its own weight with w/e tech it uses.
alikim said:
-- I'm asking about power estimate --
Then you must specify the total weight.
 
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alikim said:
-- I'm asking about power estimate --
Why are you being so obtuse in your problem statement? Is this part of some school project? Why don't you just use a big Weather Balloon to lift your light poofey payload and be done with it?

Touchdown! NASA’s Football Stadium-sized Scientific Balloon Takes Flight​

1662499587759.png

https://www.nasa.gov/sites/default/files/thumbnails/image/60mcf2.jpg
 
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berkeman said:
Why are you being so obtuse in your problem statement?
alikim said:
It needs to support its own weight with w/e tech it uses.
Easy. Make it out of air!

(Now, if that doesn't "count", please specify the problem rather than make us guess)
 
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Due to the constant never ending supply of "cool stuff" happening in Aerospace these days I'm creating this thread to consolidate posts every time something new comes along. Please feel free to add random information if its relevant. So to start things off here is the SpaceX Dragon launch coming up shortly, I'll be following up afterwards to see how it all goes. :smile: https://blogs.nasa.gov/spacex/
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