Posted by Jerry/MT on March 17, 2013 at 13:12:37 from (206.183.116.145):
In Reply to: Max drawbar pull posted by pd143 on March 17, 2013 at 06:34:04:
The Nebraska Tests are conducted on concrete pulling a weight with a load cell between the tractor and the weight connector. This data can only be used to compare one tractor tested there againts another tractor tested there.
You can also calculate the drawbar horsepower (drawbar HP=(drawbar force~lbs X speed~ft/sec)/550 from the test points and from that determine the max drawbar power as a function of gear and ground speed. That will tell you the gear to get the most drawbar work done per unit time. Your soil conditions will be different from the test condtions but this data gives you a starting point to figure out where you should operate your plow.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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