Re: Hot air balloons...

["Ivan E. Rouse" <ierouse@vega.lasierra.edu>]

> Yesterday, I was talking to someone who stated that he has seen people 
> launching small hot air balloons powered by cotton balls soaked in 
> rubbing alcohol.  The cotton ball is ignited, placed inside of the 
> balloon and the balloon launches and keeps rising because it is carrying 
> its own heat source.  He also stated that another material other than 
> tissue paper was being used.  Is anyone familiar with this?  Has anyone 
> tried doing this?  If so, could you e-mail me directly and possibly give 
> me the materials and instructions in making this?
How about using bags from dry cleaners with some light support made of
straws at the bottom to hold a heat source?