Comments by "David Elliott" (@davidelliott5843) on "The Scotch Yoke Engine is Alive! 8 Pistons, 4 Rods" video.

  1. Flat four shakes as described. Now turn one cylinder pair 90 degrees. The square four has zero primary vibration. Make it a DI two stoke and you’ll have amazing power, excellent economy and the scotch yoke stops any piston rattle that afflicts “normal” two strokes.
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