Space Exploration Stack Exchange
Space Exploration Stack Exchange

Questions tagged [balloons]

Question regarding inflatable spheres filled with material lighter than the surrounding material used to lift objects, and their uses in space exploration.

Question regarding inflatable spheres filled with material lighter than the surrounding material used to lift objects, and their uses in space exploration.

56 questions
5
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2 answers

Insights into the Mylar heat welding technique used to weld the Echo II balloon seams?

I am working on a 50-micron BO-PET film (basically Mylar) which will need welding. I don't know if I'll be able to obtain an ultrasonic/HF welding machine and since the project will need extensive low-cost prototyping, I found that it has many…
Gianf DS
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2
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1 answer

Power supply for (30km stratosphere) school's High Altitude Balloon project

Our local amateur radio club has been approached by Veikkola junior school with regard to our members participating in the school's proposed High altitude balloon project (Spring 2017); in particular with reference to realizing position reporting…
Peter Thomas
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1
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0 answers

How practical is a low-cost balloon that stays at 14 km with attitude control, carrying a 1 kg payload?

How long can a balloon stay at a certain altitude (~14km) and what are the techniques to control the altitude? Are there low-cost ($300) methods to maintain an altitude of 14km for weeks? The foreseen payload would be around 1kg.
wuza
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