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Two-Cycle Links (6)
Opposed, cross-feed scavenged/charged (needs even cylinder count), supercharged, 2-cycle, 4 cylinder, turbo-compounded, long life, internal combustion engine, featuring purge air. U.S.Pat. 1993.
DeVaux Engines Com LLC
Was Bourke Engine Com LLC. Developing simple, efficient, cleaner, 2-cycle, piston engine technology. Bourke engine was developed in 1930s, patents expired, inventor died after building devices, but with no financial success.
How Two-stroke Engines Work
Illustrated tutorial with animation describes 2-cycle engines, why you see a sheen of oil around any 2-cycle boat motor, how 2-cycles can do the same tasks as 4-cycles, where used, how they compare to 4-stroke. [HowStuffWorks]
Micro Car Project (Engine Design)
Documents student engineering project on the study of 2-stroke/cycle engine and changes in its design for micro-car. Sections on the need for a micro-car, various aspects of its design, and other solutions.
Constant Pressure Engines, Inc.
Developing high efficiency, low emission, 2-cycle engines. Current research and development focus/ four cylinder, Scotch yoke, free piston layout, designed by Melvin Vaux, based on Russell Bourke design. Pennsylvania, USA.
Bourke prototype 30 cubic inch engine 20MB video and Solid Works animation. Judge for yourself-----