Hello friends, i am new to this group and hope to receive good answers to my below question. I want to run a flywheel from a DC motor. Specifications of the flywheel are as Wight=50 kg, Radius=0.3meters, Shape= Circular solid disc with uniform thinkness, Speed at which i want to run is 1500 rpm. The time i want to attain this speed is 15 seconds. Kindly help what horsepower/Kilowatts DC motor i need to run this flywheel. Thanks in advance.