Rain Bird - Do-It-Yourself: Products: T-Bird Series Rotor Performance Charts

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Performance Charts
T-Bird Series with T-22, T-30, or T-40 Nozzles

Water Pressure	Nozzle	GPM	Radius	Precipation Rate (Inches/Hour)
25 psi	T-22, 1.3	1.2	21	0.52
	T-30, 2.5	2.2	29	0.5
	T-40, 1.5	1.6	29	0.34
	T-40, 2.0	2.2	36	0.32
	T-40, 3.0	3.2	36	0.48
35 psi	T-22, 1.3	1.3	22	0.52
	T-30, 2.5	2.6	30	0.56
	T-40, 1.5	1.8	35	0.28
	T-40, 2.0	2.9	39	0.32
	T-40, 3.0	3	41	0.45
45 psi	T-22, 1.3	1.3	22	0.53
	T-30, 2.5	2.9	31	0.58
	T-40, 1.5	2	35	0.28
	T-40, 2.0	2.9	39	0.37
	T-40, 3.0	4.5	41	0.51
55 psi	T-22, 1.3	1.4	22	0.54
	T-30, 2.5	3	31	0.6
	T-40, 1.5	2.2	35	0.35
	T-40, 2.0	3.2	39	0.41
	T-40, 3.0	5	43	0.52
65 psi	T-22, 1.3	1.4	23	0.54
	T-30, 2.5	3.1	32	0.62
	T-40, 1.5	2.7	35	0.38
	T-40, 2.0	3.5	41	0.4
	T-40, 3.0	5.4	43	0.57