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pman

Senior Member

1

Thursday, May 24th 2018, 9:35pm

Odd lot shape. Need help with sprinkler placement.

This is my lot below.
The yellow lines mark where I want to water.
I can't use rotors because the eastward wind blows the water all over the place.

The bottom half seems easy to place a bunch of 12' radius popup sprinklers.
But the top half, there's a walkway in the corner, and odd dimensions.
The 27' length on the right doesn't perfectly enclose 12' sprinklers.

How would you design the top half of the lawn?


Wet_Boots

Supreme Member

Posts: 5,257

Location: Metro NYC

2

Friday, May 25th 2018, 6:36am

While constant wind is its own special problem, there might be a way to allow for it, and still employ rotors.

On paper, this is an easy layout of a rotor in each corner. The "double corner" gets two rotors with nozzles of half the size of the other corners, so the precipitation rates match up overall. Judicious use of the radius adjusting screw gives those two heads heavier close-in coverage, again making a watering match.

Rotors in a wind situation need to have low-angle nozzles, so the wind can't carry the water so far. Also, the nozzles should be much larger than normal, giving you a water stream not so easily pushed around. This approach might involve more zones, but low-angle big-nozzle rotors will give you less wind deflection than standard popup sprays.

RichMoney

Active Member

3

Saturday, May 26th 2018, 12:01am

I would go with a rotor in every corner, this would be sufficient. Granted it is not 100% head to coverage, but our houses are built with square right angles 30' apart either ? :thumbsup:

rich@sprinklerresource.com

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