5.3 Group 3 - Crankshaft, connecting rod and piston
5.3.1 Crankshaft
The crankshaft turns as it gets the power from the pistons. The crankshaft transmits the power
to the attached propeller shaft of the ship.
Main bearings on the two sides of each crank (002, Figure 5-16) hold the crankshaft in position.
The crankshaft gear wheel (005) is part of the thrust bearing.
On the driving end of the crankshaft there is a flywheel (004). This flywheel decreases the
pulsation from the cylinders.
The length of the crankshaft is related to the number of cylinders.
Fig 5-16 Crankshaft (generic)
Legend
001 Torsional vibration damper (optional) 004 Flywheel
002 Crank 005 Crankshaft gear wheel
003 Crankshaft
X92DF
AA00-3103-00AAA-043A-A
Operation Manual Crankshaft
Winterthur Gas & Diesel Ltd.
- 176 - Issue 002 2020-08
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