DIY Solar-Powered Hot Air Balloon: Up, Up and Away!

I guess that balloons and airships are in, because they are popping up everywhere. I remember one year, there was even a personal balloon with a rotor available for $10,000 in the American Express rewards catalog. This project takes personal ballooning a step further because it’s solar-powered and you can make it yourself.

diy solar hot air balloon

Read more @ Technabob