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Design and Development of the Valve Train for a Racing Motorcycle Engine
Technical Paper
2007-01-0264
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper describes the design and development of a direct acting valve train for high speed operation in a racing motorcycle engine. At the outset of the project the engine speed limiter was set to 14000 rpm and this was eventually raised to 16000 rpm. The paper covers the evolution of the design and includes descriptions of the components including camshaft, tappet, shim, retainer, valve and valve springs. Valve train dynamic analysis software was used for the following tasks.
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Assessment of the influence of the changed parts on valve train dynamics and durability
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Design of new cam profiles
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Setting speed limit for each build level
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Investigation of failures
These activities are covered in this paper.
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Topic
Citation
Carden, P., Pendlebury, K., Zuhdi, N., and Whitehead, A., "Design and Development of the Valve Train for a Racing Motorcycle Engine," SAE Technical Paper 2007-01-0264, 2007, https://doi.org/10.4271/2007-01-0264.Also In
New SI Engine and Component Design and Engine Lubrication and Bearing Systems
Number: SP-2093; Published: 2007-04-16
Number: SP-2093; Published: 2007-04-16
References
- Valve train design for multivalve automotive gasoline engines Heath A.R. SAE 885133 1988
- Optimal design of high speed valve train systems David J.W. Kim D. Covey J.A. SAE 942502 1994
- The application of advanced simulation methods in the design of Formula 1 valve trains Di Paola G. Smith A. 19th International Vienna Engine Symposium 1998 1
- The design of cams for flat faced followers with regard to elastohydrodynamic lubrication Deschler G. Wittman D. MTZ March 1978