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Enhanced Handheld Engine Ethanol Study, Charindu Kariyawasan Jalath Thanthree
Enhanced Handheld Engine Ethanol Study, Charindu Kariyawasan Jalath Thanthree
All Graduate Theses, Dissertations, and Other Capstone Projects
This study examined consumer and professional grade handheld engines. Twenty-four consumer grade 50 hour Emissions Determination Period (EDP) trimmers and 24 professional grade 300 hour EDP backpack leaf blowers were run on four different ethanol fuel concentrations; E0, E10, E15, and E20. Six engines of each type were run on each of the fuel blends through their full EDP.
All engines were broken-in and adjusted to manufacturer specifications on E0. Then engines were emissions tested on E0 to provide a baseline and to determine the rich to lean order of the engines. Next, the leanest operating engine received E20 and …