#$%^&*AU2010203296B220160428.pdf#####ABSTRACT OF THE DISCLOSURE [0048] A rotary sprinkler includes a sprinkler body including a nozzle, a water-deflection plate supported for rotational movement relative to the sprinkler body, the water-deflection plate having one or more grooves configured to cause the water-deflection plate to rotate when impinged upon by a stream emitted from the nozzle a first brake arranged to slow rotation of the waterdeflection plate at all times and a second brake arranged to further slow rotation of the water-deflection plate as a function of water pressure exerted on the water-deflection plate.Inventor. SESSER et al. SN Unassigned Atty. Dkt.: MJK-737-336 1/14 ORIGINAL 16 22 24 54 Fig.1I