Title: A study of a crankcase supercharged 4-stroke cycle engine through on-road tests using motorcycles and passenger cars

Authors: N. Okanishi, T. Suzuki, I. Fukutani

Addresses: Department of Mechanical Engineering, The University of Industrial Technology, 4-1-1 Hashimotodai, Sagamihara-shi, Kanagawa-ken 229, Japan. ' Department of Production Engineering, The College of Osaka Industrial Technology, 1778 Inaba-cho, Kishiwada-shi, Osaka-fu, 596-01, Japan. ' Department of Mechanical Engineering, The University of Industrial Technology, 4-1-1 Hashimotodai, Sagamihara-shi, Kanagawa-ken 229, Japan

Abstract: In order to investigate the transient characteristics of crankcase-supercharged 4-stroke cycle engines, such engines were tested on the road by installing one in both a motorcycle and a passenger car. It was found that, in the starting and the passing acceleration tests, the engine speed of the crankcase-supercharged engine increased more sharply than that of the naturally-aspirated engine. Additionally, in 0-200m starting acceleration tests, the crankcase-supercharged motorcycle|s time was 4.7 sec faster than that of the naturally-aspirated motorcycles.

Keywords: crankcase supercharging; four-stroke cycle engines; motorcycle engines; on-road engine tests; passenger cars; motorbikes; engine speed; acceleration tests; vehicle design.

DOI: 10.1504/IJVD.1995.061958

International Journal of Vehicle Design, 1995 Vol.16 No.1, pp.80 - 91

Published online: 28 May 2014 *

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