Machinable VAWT Impeller
grabcad
I never did get a 3D printer to make the pint size impeller. So this is a VAWT impeller that I can make in bits and assemble. The blade design is inspired by the design I saw in a recent article...https://www.theengineer.co.uk/content/opinion/comment-exploring-the-potential-of-small-scale-wind-turbinesAnd an image from the article is shown in the gallery for this part.I intend to build an axial flux, permanent magnet generator for it, and see if I can get a half a kW continuous off my roof. Could be a game changer.Update: I've added a step file of the continuous helical blade (J Sxn Blade.step). It is, hopefully, suitable for resizing and slicing for 3D print.
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