solar hot gas-air balloons

solar hot gas-air balloons

Postby wildspace » Sat Mar 27, 2010 6:47 am

Of those considering a rockoon approach has anyone considered solar heating the lifting gas in the balloon. a clear drop cloth envelope can be sollarized with tempra powder ( not dust free ) or powerd charcoal. could at least decease the gas volume needed solar hot air balloons can reach 70000 feet without any lifting gas except air. the romanians are attemping to use a solar hot air balloon in there run for the google x prize. seems a low cost boost.
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Re: solar hot gas-air balloons

Postby ZiraldoAerospace » Sun Apr 04, 2010 6:28 pm

Seems like a good idea to me, and very cheap, which is good :D Only problem that I can see is the wind might affect the position of the balloon, thus affecting the orbit of the satellite.
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