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A One-stroke cycle is a two-stroke cycle that uses a double-acting piston; and thus both strokes are powered, and each stroke is half of two two-stroke cycles.[citation needed] A design patented by Russell Bourke has two pistons on one rod and does four cycles - intake, compression, ignition and exhaust - in one stroke of each piston. This Bourke-Cycle-Engine is a mono stroke four cycle co-operative twin diesel with two power pulses per crankshaft revolution. The http://www.BourkeEngine.com by http://www.RogerRichard.com has this information available and a running engine with pictures and movies.
