LEANING WHEEL GRADER Traditional Cache
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This yellow, pull behind, manual grader unit is an Adams Leaning Wheel Grader, model No. 84 with serial number 1006. It is parked alongside the Manitoba Infrastructure and Transportation Yard on Industrial Road in Dauphin. By looking at the lawn around the unit, it is obviously moved from time to time so we hope it is put back in about the same place so the GPS co-ordinates do not change!
The origin of the pull grader has been lost to history. The first graders were simply dragged along the ground. The first wheeled pull graders consisted of a fixed blade attached to the frame of a wagon. These blades could be raised or lowered by levers but not angled and the wheels were rigidly attached. In 1885 JD Adams developed the leaning-wheel grader. The leaning wheel, combined with an angled blade, increased the grader’s ability to excavate and move material in a specific direction. A grader’s job is to move earth sideways. On a leaning wheel grader, the operator leans the wheels in either direction to lean the weight of the grader toward and balance the weight against the side load of the earth on the blade, the heavier the load, the more the lean. It wasn’t until 1897 that factories were developed to produce this style of grader. The modern self-propelled graders of today are of the leaning wheel type. Permission to place cache was given over the phone.
Additional Hints
(Decrypt)
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