engine speed range

engine capacity / engine power, engine output

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

cruise speed / cruising speed

Nr gauge (Nr = speed of rotation) / rotor speed sensor

decrease speed of the engine

engine idling speed adjusting screw

high engine speed

full-speed trial of engine

engine speed adjustor

speed range

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

engine oil reservoir / engine oil tank

long-range standoff missile (long-range stand off, LRSO)

pull-in range / pulling range

range gating / range-gating

range-to-range correlation

beyond visual range / beyond-visual-range (BVR)

apparent speed

average speed

blade speed

convoy speed

critical speed

cross-country speed

endurance speed

exhaust speed

full speed (naut.)

gear speed decreaser

group transit speed