The new ryobi 26.2 cc, OHV, 4-stroke engine for hand held power equipment applications

James G Conley*, Jens K. Olsen, K. Kurihara, Y. Imagawa, Gene Rickard

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

4 Scopus citations

Abstract

This paper outlines the design and construction of a small 26.2 cc overhead valve, 4-cycle engine recently developed by the Ryobi Group of Companies for hand held power equipment applications. Four cycle engines produce fewer hydrocarbon emissions and typically generate better low end torque than the commonly used two cycle. In order to displace the high power density two-stroke technology however, a four cycle design must be cost and performance competitive. Additionally, the engine must be durable and functional at operating speeds in excess of 8,500 r.p.m. The Design for Manufacturability and Design for Assembly methodology used to create the individual powertrain components and subsystems for the new, lightweight power plant to meet the desired cost, performance, and packaging objectives is reviewed.

Original languageEnglish (US)
DOIs
StatePublished - Dec 1 1996
EventInternational Off-Highway and Powerplant Congress and Exposition - Indianapolis, IN, United States
Duration: Aug 26 1996Aug 28 1996

Other

OtherInternational Off-Highway and Powerplant Congress and Exposition
CountryUnited States
CityIndianapolis, IN
Period8/26/968/28/96

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

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