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・ Expanding Earth
・ Expanding Human
・ Expanding Man
・ Expanding Monomers
・ Expanding nozzle
・ Expanding Senses
・ Expanding toy
・ Expando
・ ExpanDrive
・ Expanse, Saskatchewan
・ Expansin
・ Expansion
・ Expansion (album)
・ Expansion (geometry)
・ Expansion card
Expansion chamber
・ Expansion chamber (disambiguation)
・ Expansion deflection nozzle
・ Expansion draft
・ Expansion joint
・ Expansion Joint Manufacturers Association
・ Expansion microscopy
・ Expansion of Amsterdam since the 19th century
・ Expansion of Gatwick Airport
・ Expansion of Heathrow Airport
・ Expansion of Jerusalem in the 19th century
・ Expansion of Major League Soccer
・ Expansion of Russia 1500–1800
・ Expansion of the A-League
・ Expansion of the National Rugby League


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Expansion chamber : ウィキペディア英語版
Expansion chamber

On a two-stroke engine, an expansion chamber or tuned pipe is a tuned exhaust system used to enhance its power output by improving its volumetric efficiency
==History==
Expansion chambers were invented and successfully manufactured by Limbach, a German engineer, in 1938, to economize fuel in two stroke engines. Germany was running short of petrol, which was at that stage produced using coal and sewerage transformation. An unexpected bonus was that the two stroke engines using tuned exhausts produced far more power than if running with a normal silencer.
After the end of the second world war, some time passed before the concept was re-developed by East German Walter Kaaden during the Cold War. They first appeared in the west on Japanese motorcycles after East German motorcycle racer Ernst Degner defected to the west while racing for MZ in the 1961 Swedish Grand Prix. He later passed his knowledge to Japan's Suzuki.〔(Motorcycle.com ) 〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Expansion chamber」の詳細全文を読む



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