brake horsepower efficiency

heat equivalent of the brake horsepower

brake horsepower (BHP)

brake pad / brake shoe

horsepower (h.p.)

constant-horsepower variable-torque output

weight-horsepower ratio

useful horsepower

effective horsepower

engine weight per horsepower

horsepower

thrust horsepower

horsepower (HP)

shaft horsepower (SHP)

thrust horsepower (THP)

indicated horsepower

fighting capacity/efficiency

high aerodynamic efficiency

loss of efficiency

operational efficiency

restoring fighting efficiency

artillery fire efficiency

fighting efficiency

fire effectiveness (efficiency)

air efficiency

all-around efficiency

approach efficiency

ballistic efficiency

increase of efficiency

indicated thermal efficiency

useful efficiency

high-efficiency engine

intrinsic efficiency