Primitive Technology: Convection turbine experiments (hot air windmill)

Primitive Technology: Convection turbine experiments (hot air windmill) Subscribe: http://bit.ly/subPT | Never miss a video! Enable ‘ALL’ Notifications! Watch my newest content: https://youtube.com/playlist?list=PLGnWLXjIDnpBR4xqf3FO-xFFwE-ucq4Fj&playnext=1&index=2 Follow Primitive Technology: Wordpress: https://primitivetechnology.wordpress.com/ Patreon: https://patreon.com/user?u=2945881 Watch More Primitive Technology: Newest Uploads: https://youtube.com/playlist?list=PLGnWLXjIDnpBR4xqf3FO-xFFwE-ucq4Fj&playnext=1&index=2 Pyrotechnology: https://youtube.com/playlist?list=PLGnWLXjIDnpBVRqu5lz5JGaQxjPs7q3CJ&playnext=1&index=2 Shelter: https://youtube.com/playlist?list=PLGnWLXjIDnpBBsdKZb-vy30o88SIxItp2&playnext=1&index=2 Weapons: https://youtube.com/playlist?list=PLGnWLXjIDnpA-XGDrrmVgBnSXx15i2Awp&playnext=1&index=2 Popular Videos: https://youtube.com/playlist?list=PLGnWLXjIDnpAb29Lrdki5BPjTpMon8zla&playnext=1&index=2 About This Video: I built a turbine powered by convection to see if it would be a viable source of motive force in a primitive setting. In the past, I've used water power to power a hammer and a forge blower but I envisioned a method of producing power that would be independent of a water source. The concept of a "convection mill" that could be set up anywhere and powered by fire was what I wanted to test. So I modified an existing radial fan from my blower, giving it an axial form by twisting the blades. The design worked as a windmill when sat on tree forks so that the axle could spin freely. Next I tied it to a string and hung it above a fire whereby it spun about its vertical axis. I next tested it in a wooden frame above a fire where it spun well too. I then built a pyramidal hood to funnel the hot air up to the blades causing the fan to spin more efficiently. Finally, I used the turbine to power a forge blower. It did so very weakly and then the whole contraption burnt down. The concept has potential but needs work. About Primitive Technology: Primitive technology is a hobby where you build things in the wild completely from scratch using no modern tools or materials. These are the strict rules: If you want a fire, use a fire stick - An axe, pick up a stone and shape it - A hut, build one from trees, mud, rocks etc. The challenge is seeing how far you can go without utilizing modern technology. I do not live in the wild, but enjoy building shelter, tools, and more, only utilizing natural materials. To find specific videos, visit my playlist tab for building videos focused on pyrotechnology, shelter, weapons, food & agriculture, tools & machines, and weaving & fiber. #PrimitiveTechnology #wildlife #experiment