Wankel Rotary Engine
thingiverse
This is a model of a Wankel internal combustion engine. The rotor turns freely by rotating the knob in the back. I made the model as easy to print as possible. Parts that need to be glued include: 1) The spark plug, although that's optional. 2) The output (hex) shaft. 3) The shaft collar, which locks the eccentric shaft and rotor into position. 4) The turning knob. https://www.youtube.com/watch?v=U_P1cmCpjXM
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