If you go smaller you can use wood for the blades too. Smaller doesn't scale as well, but if you design and build them right you can still get more energy than

If you go smaller you can use wood for the blades too. Smaller doesn't scale as well, but if you design and build them right you can still get more energy than it takes to produce them: https://solar.lowtechmagazine.com/2019/06/reinventing-the-small-wind-turbine/ https://solar.lowtechmagazine.com/2019/06/reinventing-the-sm...