Cloud Nine

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I have a purpose for a lifting platform that would be capable of reaching and sustaining high altitude for long periods of time. Anybody know of anyone that has actually constructed a full scale model?

I am wondering about choices of skin materials... other than unobtainium of course.

David A. Smith

Reply to
dlzc
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Plastic bags are coated with a thin film of "glass", to keep oxygen from getting to bagged lettuce. But a thin coat won't do much for blocking UV, or healing the structural damage induced in the skin.

Rubrene appears to be a choice (in a composite anyway), that could be used to turn the upper surface into a power generating station. I doubt it would last very long as ozone levels rise.

Maybe high density polyethylene, with a bit of glass on the outside. Keep it simple.

David A. Smith

Reply to
dlzc

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