Design and Construction of a Turbocharged, Direct-Injection, Two-Stroke Snowmobile for Competition in the SAE Clean Snowmobile Challenge Grant uri icon



  • Due in part to stringent noise and air pollution control measures recently imposed on snowmobiles by the US National Park Service, the Society of Automotive Engineers (SAE) instituted a student competition called the Clean Snowmobile Challenge. The competition is designed to encourage the development of a snowmobile that will meet or exceed specific required pollution and noise control measures. The objective of this project is to produce a snowmobile that will meet the criteria for the 2007 competition. The power plant for the University of Idaho in 2007 is a smaller stock two-stroke engine which has been retrofitted with direct fuel injection, and will be fitted with a turbocharger. The turbocharger should allow the snowmobile to run in a stratified operating condition under cruising conditions, significantly reducing pollution emissions. The snowmobile is a modified stock chassis with a drive train designed to minimize sound production and maximize power transmission.

date/time interval

  • January 1, 2007 - January 1, 2008