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Technical Paper

Two-Stroke Engine Technology in the 1990's

1991-02-01
910663
This is an assessment of current two-stroke automotive engine technology, implementation policy, vision, goals, and engine development and commercialization strategy. It includes a historical review of key two-stroke Otto cycle and Diesel cycle engine developments, a summary of the specifica-ions for the new: Toyota S-2 gasoline and S-2 Diesel engines, Suburu Super 2-stroke, Orbital two-stroke engine series, and Industrial Technology Research Institute (ITRI) two-stroke technology in Taiwan. Although two-stroke engine technology has been under development since the end of the 19th century, currently the only mass produced vehicles powered by two-stroke cycle engines are the Trabant and Wartburg, with 594 cc two cylinder and 993 cc three cylinder engines, respectively, essentially unchanged in cylinder configuration and porting since 1931.
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