Study of tractor efficiency at various engine speeds and loads described and illustrated with graphs; tests indicate engine thermal efficiency can be improved by selecting optimum engine speeds; value of operating engine at reduced speeds for part loads is questioned; research is needed to determine if piston speed or bmep has greater effect on wear rate; speed regulation of engine governors is poor at reduced engine speeds.
Operation at optimum engine speeds
Agri Eng
Agricultural Engineering ; 41 , n 8
1960
Article (Journal)
English
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