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FORMULAS
•	Torque (ft-lbs) using HP, RPM & a constant
•	Torque (in-lbs) using Load, Radius & Coef. of Friction
•	Torque (in-lbs) using Load & Radius on a vertical axis (lifting torque)
•	Torque (in-lbs) using HP, RPM & a constant
•	HP using Torque (in-lbs), RPM & a constant
•	HP using Load, Distance & a constant
•	HP using Load, Velocity (fpm) & a constant
•	HP using Voltage, Current, Eff. of motor & a constant
•	Feet per Minute using DIA of head pulley & RPM
•	RPM using dia of head pulley and velocity (fpm)
•	Belt Length needed to achieve a given center distance using DIA of head pulley
•	Max Speed (in-sec) for sizing servo using Distance, Speed (sec) & accel/decel times
•	Convert Farenheit to Celsius & vice versa
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