Russian Parallel 4-Cylinder Double Crankshaft Engine SolidWorks

Russian monster: 4-cylinder double crankshaft parallel engine 3D model, with internal structure, SolidWorks 2012 documents to share, most of the double crankshaft engine are stuck in the patent drawings, practical installation of very few, only some supercar did install the W16 type of double crankshaft engine. The main problem of double crankshaft is a complex structure, too large, operational stability and power output is also not good solution. The piston is connected to 2 connecting rods to drive 2 counter-rotating crankshafts in parallel, and the power output and stability are solved by 1 pair of helical gears. The single cylinder power is also improved, but the complexity is still very high. There is a small simulation video, running like 4 small octopuses jumping up and down, very loving! Finally, I would like to admire the creativity of the Russians.