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Posted by on November 6, 2006, 6:40 pm
>
> fleemo17@comcast.net wrote:
> > So I'm wondering whether an area of grass being watered by two
> > sprinkler heads is enough coverage or whether it's necessary to have it
> > watered by three? I've designed my sprinkler layout (please see
> > http://www.sunriveronline.org/misc/sprinklers) but no matter how I
> > slice it, there are a few small areas that only receive water from two
> > sprinkler heads. Is this sufficient?
> >
> > -Fleemo
How many heads any area gets is not the issue. The issue is to try to
balance the coverage so all areas get about the same amount of water.
Whether you get that from 2 heads or 4 doesn't matter. No matter what
you do, it won't be perfect.
What you want as a first approximation is all the heads to be
delivering about the same coverage. That means a head that covers
90deg is putting out 4X the rate of a head with the same nozzle that
covers 360. The spray distance of the head is also a factor.
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