As water leaves openings, it pushes backward and can cause bar to rotate {sprinkler}|, to change spray direction to cover yard. Sprinklers {impulse sprayer} can use water jets that hit a weighted bar and then a spring pulls bar back to hit a stop, which turns sprinkler top around. Sprinklers {hose walker} can have a bar connected to a gear, which moves a wheel along a guide. Sprinklers {tape winder} can have a bar connected to a winder, which pulls in metal tape attached to ground. Sprinklers {fan sprayer} can have tubes with rows of holes and a small water wheel, which oscillates sprayer.
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Date Modified: 2022.0224