MOTOR HORSE POWER CALCULATIONS

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G

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how i can calculate hp of a motor for a certain load. can u tell me some formulae and/or some useful web links. thanks
 

output power of a motor = 2*pi*(N/60)*T
N ----> Speed of the motor in RPM
T -----> Output or load torque..

T = 9.81*Weight of the Load*Radius of the load
(since torque = force * perpendicular dist)
of course, from the above equation, you will get the power in Watts to convert into HP multiply with appropriate factor,,, iam not sure sure but i think 4.7*watts = HP.. it maybe wrong.. check it..
 

1 HP=736,xx Watt
 

1 HP is 745.699 watts
 

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