Fan Laws

1 - How changing RPM affects CFM Formula: new_CFM = orig_CFM x (new_RPM/orig_RPM)
original CFM
 original RPM
 new RPM



2 - How changing RPM affects static pressure Formula: new_SP = orig_SP x (new_RPM/orig_RPM)^2
original static pressure
 original RPM
new RPM


3 - How changing RPM affects horsepower Formula: new_HP = orig_HP x (new_RPM/orig_RPM)^3
original HP
original RPM
 new RPM








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