Hot air grocery bag plastic balloon

Esa writes – “Here’s a huge hot air balloon made from grocery bag plastic. It generated enormous lifting power, so much that several persons couldn’t hold it down. It flew for 200km in winter even though the heating source “failed”. The balloon continued to fly being heated by the winter sun.”Link.


current: @adafruit - previous: MAKE, popular science, hackaday, engadget, fallon, braincraft ... howtoons, 2600...

View more articles by Phillip Torrone