Posted by John B. on February 23, 2013 at 02:05:41 from (38.114.64.177):
In Reply to: Not a Farmer - Plows posted by Dr. Walt on February 23, 2013 at 00:50:57:
Dr. Walt,
You understanding or description is correct. The reason for replaceable shins & shares are because they are the high wear areas of a plow. If the moldboard, shin & share were all one piece like they were originally 200 years ago you would have to replace the whole piece for wear on one spot. Thus you would have a new plow and an old frame. The tail wheel mostly aides in lifting multiple bottom plows. As for as helping hold them straight I would have to disagree because on later model plows the tail wheel was allowed to swivel. One thing you didn't mention was the coulter which is a rotating disc blade that slices the soil just ahead of the share and moldboard. This eases the draft or energy needed to pull the plow. It also creates a nice clean cut furrow once the plow has passed.
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