Theo cong thuc:
P = TxVxK
P: Cong Suat
T: Torque (Moment)
V: Toc do quay
K: he so (hang so)
de tang P thi co the tang T va (hoac) V
T: ty le voi ap suat len piston va tiet dien (S) cua piston hay dung tich cua cylinder.
V: toc do cang cao thi cong suat cang lon.