Here’s a simple “hot air” balloon experiment with a tea bag, Baynej writes –
- Make a propane powered radio controlled hot air balloon – Link.
- Hot air grocery bag plastic balloon – Link.
From the pages of MAKE (a little less flame in this one…)
- 1+2+3: Blimp. Fun for about a dollar: build a simple blimp with the use of helium, a balloon, and a few straws! MAKE 03 – Page 42. Subscribers–read this article now in your digital edition!