The AmpFlow F24-150-24V motor is designed to deliver good performance and efficiency at an affordable price. This is achieved by using advanced electromagnetic computer modelling and design. This reversible motor can be used at voltages from 12V to 48V (the speed is proportional to the voltage.) At 24 volts, it has an idle speed of 4900 rpm. The short-term peak power is 233 watts (0.31 HP). The peak efficiency of 70% is achieved when drawing 7 amps at 4200 rpm. The power at 7 amps is 117 watts (0.16 hp). The F24-150-24V motor has a diameter of 2.4 inches and a length of 4.1 inches. The shaft drives in two high-quality ball bearings. The motor leads are 18 inches long. The motor weighs 2 pounds and is finished with a high quality black powder coating. AmpFlow® motors are used in various applications including robots, industrial motion control, factory automation, semiconductor manufacturing, power tools and personal transport systems. Search for "AmpFlow Motors" for more choices.