Posted by Owen Aaland on December 03, 2011 at 01:07:21 from (216.47.33.145):
In Reply to: Hey Wardner posted by Jason the Red on November 29, 2011 at 16:50:55:
To me it looks like there is one gear in the front and three gears all in the same vertical plane on the back side. In order for the output shaft to rotate the same direction as the input shaft there has to be an odd number of gears in a single plane. The gear tooth count Jason gave was one 35 tooth gear in the front and 16, 19, and 14 in the rear. In order for the output gear, 14 tooth, to rotate the same direction as the input gear, 16 tooth, the middle gear, 19 tooth, must be an idler gear.
The ratios work out to be in the front 35/35. On the back side the ratios are 16/14 with the 19 as an idler gear and 14/35 provided the tractor has the standard 4th gear. Maybe I did the math wrong but I took :
35/35 X 16/14 X 14/35 = 1/1 X 8/7 X 2/5 = 16/35 = 2.1875
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