передавальна шестерня прямої передачі
direct speed gear
idler gear
idler reverse gear
direct drive gear
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
compensating idler wheel
idler arm
adjusting idler wheel
clutch idler shaft bracket cap
idler adjuster
idler compression spring
idler lever
idler sprocket
idler wheel
idler wheel adjuster lock nut
idler wheel adjusting ring
idler wheel hub cap
front idler wheel
idler
track idler wheel
gear speed decreaser
fourth and fifth speed gear synchronizer
landing gear placard speed
third-speed gear
camshaft gear (timing gear)
gear reduction unit / gear-reduction unit
alternating current-direct current (AC-DC) converter
direct action (DA)