The ZSJL Water Motor Alarm consists of a turbine shell, a vane wheel, a transmission shaft, a dabber, a rocker arm, a clapper, an alarm seat and a support shaft etc.
The CH-47 is propelled by two Lycoming T55 turboshaft engines, one on each side of the helicopter's rear pylon, connected to the rotors by drive shafts.
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The oomph produced by the engine must then be passed through clutches, gears, and driveshafts to make the wheels turn, and then exhaust systems have to deal with the waste.