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Discussion in 'Irrigation' started by jcom, Jul 26, 2010.
Has worked for me since 1965.
I'll have a look.
Grainger has a line or two of compressor pumps, and they probably still offer Ingersoll Rand pumps. The IR pumps will be heavyweights, with head unloaders. Grainger's own pumps might not have head unloaders in the smaller sizes. There's a general rule of thumb for selecting a gasoline engine to match up with a pump meant for a certain size electric motor, which is to multiply the electric motor horsepower by approximately two. The pumps on those units you shopped are probably meant for 5 HP electric motors.
I can't imagine using a dinky compressor in your climate with a large number of clients. I use a 175 cfm tow behind with a full size extended cab pickup and get in some very tight spots. I use a hose reel with 200' of 3/4" hose and I'm usually in and out in 15 min. for most res.
I like a truckmount for those homes with switchback driveways. For someone winterizing from a controller (valve location yet unknown) there isn't anything for those hundred-odd cfm to accomplish.
Sure there is. a raindial will run 3 zones at once . A pro c with rb valves and one can continualy bounce thru the whole system.
My pressure is easily adjusted and I blow out many systems one zone at a time. I have some hydraulic systems that hate air and sometimes takes a minute or two before a zone kicks on.
If you could winterize a system in ten seconds, you still have to pack up and drive to the next job. There is only so much time you can save.
It's nice to be able to blow out a 4 zone res. and go a mile up the road and blow out a 50 zone com, with a 3" main with the same compressor.
To each his own, I say. For the real go getters, a trailer and a 185 CFM is the way to go. I am content to do my 2-3 hundred residentials and call it a good year. But that is my choice.
If I needed irrigation to pay the bills, I would think different I am sure. But I don't. Irrigation now is more or less a hobby that will pay for my recreation.
And put aside a bit for my long term health care, I suppose.
That being said, I want to stay with an easy and portable truck mount for my hobby. I will look into a large single stage per the Bootster and see what happens.
Thanks for the opines.