Primitive Technology: Convection turbine experiments (hot air windmill)By otako_fzbgs4 / January 6, 2026 Related posts: Don’t Make this Wine Barrel MISTAKE in Your Garden! My BIG Self Sufficient Projects for 2026! Can the Hansa C21 Chip Our Whole Orchard? (4 Days of Real-World Testing) Primitive Technology: Grate furnace, wood fired smelting experiment
