Useful Formulas
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Compressor Pulley Diameter
Posted by Ed Powell on
motor pulley diameter x motor RPM / compressor RPM
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Compressor Pulley Diameter
Posted by Ed Powell on
Electrical Cost
Posted by Ed Powell on
HP x .746 x hours x Kw cost / motor efficiency
Example: 50 HP air compressor that runs 8 hours a day 5 days a week for a year with a $.06 Kw electric rate and a 90% efficient electric motor.
50 HP x .746 x 2,080 hours x $.06 / .90 = $5,172.26 per year
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Electrical Cost
Posted by Ed Powell on
HP x .746 x hours x Kw cost / motor efficiency
Example: 50 HP air compressor that runs 8 hours a day 5 days a week for a year with a $.06 Kw electric rate and a 90% efficient electric motor.
50 HP x .746 x 2,080 hours x $.06 / .90 = $5,172.26 per year
Read more
Receiver sizing by horsepower
Posted by Ed Powell on
Pressure drop calculator
Posted by Ed Powell on
Receiver sizing by volume
Posted by Ed Powell on