Modified Helical Darrieus Wind Turbine Blade
grabcad
Relevant publication: http://www.iaeng.org/publication/WCE2018/WCE2018_pp586-595.pdfAn improvement over the Helical Darrieus Wind Turbine Blade, according to same aerodynamic principles as Rear Wing (~Formula One Dimensions), Modified 10x4.7 Propeller and Modified Rotor Blade. (all are my entries for the https://grabcad.com/challenges/extreme-redesign-engineering-post-secondary)The white blade is more aerodynamically efficient than the black one.I have no access to a 3D printer, my engineering judgment says these blades must be printable without any problems, if flipped perpendicular to the rotational axis.Baseline blade files are also attached for fluid dynamics analysis.
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