Posted 5/29/2009 20:44 (#727105 - in reply to #726919) Subject: Re: irrigation well pump adjustment, impeller & cups
Wyoming
Yea, that's what I was going to suggest Hank. On our bowls with about 215' feet of shaft, we reckoned on about 1.5 turns. These were semi-open bowls and the had about 3 turns off the bottom of clearance. So for 90', 1.25 turns should be just about right - at least in the ballpark.