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RC Airplane Engine Assembly Video

This disassembly and reassembly video from Academia Motor might only be a best thing you’ve watched nonetheless in 2018 — really! Some internet sleuthing shows that a Graupner-O.S. Wankel .30ci powerplant was a world’s initial indication rotary piston engine. A partnership between Graupner and Ogawa Model Mfg. Co. (O.S.), it used Felix Wankel’s pattern with a rotating triangular piston in an epitochoidal made chamber. It was initial marketed in 1970 with a cost tab of only $87.50!

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