Caption: Brad Raether's patent-pending new design for a piston and cylinder wall is simple, but he hopes it is effective enough to start a revolution in everything from pedal power to fuel-efficient engines. His concept uses a crossbar running through a race in the cylinder wall to twist the piston rod, increasing the piston's leverage and turning each piston stroke more directly into rotary motion. Raether says tests show that his system, built with the basic parts sitting in front of him, transfers up to three times as much of a piston stroke's power to the drive wheels as a normal engine. - Rob Kerr / The Bulletin
Album ID: 274554
Photo ID: 14980579
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