Tandem Roller. Monday , June 04th , 2018 - 15:02:59 PM
At this ratio it means the drive gear must make 1.62 revolutions to turn the driven gear once. It also means that for every one revolution of the driver the driven gear has made 1/1.62 or 0.62 revolutions. Essentially the larger gear turns slower.
Steam rollers were often dedicated to a task by their gearing as the slower engines were for base compaction whereas the higher geared models were often referred to as chip chasers which followed behind the hot tar and chipping laying machines. Some road companies in the United States used steamrollers through the 1950s and in the UK some remained in commercial service until the early 1970s.
Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping providing a smooth transmission of rotation from one gear to the next.
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