[balloon-makers] Is there sense to insulate envelope?

rpankka at cc.joensuu.fi rpankka at cc.joensuu.fi
Sat Nov 2 17:03:07 CST 2002

Hello Sir,

Has anybody experience to insulate envelope for saving gas? It would be very 
modern to make 'envorimentally sustainable' balloon, that would lift balloon 
users career too ;) What material could be applicable to this purpose?

Best regards from Vancouver
Dr. Samuel Ferguson's admirer

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