Posted by IH fan on October 05, 2009 at 11:41:12 from (70.243.240.19):
In Reply to: Need an opinion posted by Bill in IL on October 05, 2009 at 11:08:40:
Gary Hutchinson said: (quoted from post at 13:08:40 10/05/09) Part of what he did was to install two 4" diameter cylinders
on the lift arms. With the 12 gpm flow out of the
560 pump this makes for slow lifting. I thought
about replacing the two 4" dia. cylinders with
a couple of 2" dia. of the same length. The
smaller cylinders should fill roughly twice as fast as the larger ones and speed up the lift
action.
Try about 4 times as fast... You have 4 times the area if you remember your formula for figuring the area of a circle... you will have approx. 12.5664 square inches of area on a 4" cylinder and 3.1416 on a 2" diameter cylinder. the lifting force will also be 1/4 of what it was. I would opt for something in between, to still have both decent lifting power and speed if you size it right. 3" cylinder will be 7.0686, or a little more than 1/2 the area you now have, so lift and speed will change accordingly.
added:
I see us old Iowa boys were thinking along tha same lines.
This post was edited by IH fan at 11:43:20 10/05/09.
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