Table 2-2 POWER AVAILABLE CONDITIONS

HYDRAULIC MOTOR - TM-55-1930-209-14P-6_107

REDUCTION GEAR BOX - TM-55-1930-209-14P-6_109

TM-55-1930-209-14P-6 Water Purification Barges (NSN 1930-01-234-2165) Chlorination System Manual
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DECKMASTER Table 2-2 POWER AVAILABLE CONDITIONS Theoretical Drive Train Analysis: Electric Motor to Winch Drum 1.0 ELECTRIC MOTOR 30 Horsepower 1750 RPM Efficiency = 0.91 2.0 HYDRAULIC PUMP Sundstrand No. 20-2065-HDC Rated Pressure = 3000 PSI Flow @ 1750 RPM = 14.6 GPM = 3,373 in³/min Efficiency: Volumetric = h_V = 0.95 Overall = h_OA = 0.95 SET System Pressure @ 2150 PSI Power Consumed (2150) (14.6) = (1714)(0.95) = 20.3 Horsepower 3.0 HYDRAULIC MOTOR TRW ROSS No. MAB-10-0-02-A1 Displacement 7.4in3/Rev. Efficiency: Volumetric = h_V = 0.92 Torque = h_T = 0.87 Overall = h_OA = 0.80 Torque = 118 in-lbs/100 PSI (theoretical) Assume 300 PSI system pressure drop Output Torque = (2150-300) (1.18) (0.87) = 1,899 in-lbs Output Speed (3373) (0.92) 7.4 = 419 RPM 4.0 BRAKE AUSCO No. 31025 Rated Torque = 3,800 in-lbs 2-5

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