LEGO compatible windmill hub
thingiverse
STEM Class for harnessing wind power through turbine design. The 12-slot hub accommodates ice cream sticks as blades but allows for customized blades to be created. It produces 1 Joule of energy in just 3 minutes with two blades, down to an impressive 6 seconds when using twelve blades powered by a simple household fan. With the option to use 12 slots, you can easily create various blade configurations, including options for 2, 3, 4, 6, or 12 blades. Alternatively, the 5 and 8 slots can be fitted with a slight modification.
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