Sunday, 28 June 2015

Day 4 - Transmission (GearBox)

A truck has an engine and a transmission

1. The engine is the power source of the truck

2. A transmission is a machine that provides a controlled application of power from the power-source (engine)

3. The Transmission is the gearbox of the truck, and uses gears, gear-chains (a series of gears) to change the speed and torque from the power supply.

4. There are different types of Transmission. (Planetary-Gear Automatic, Automated Manuals, Manual)

5. Heavy truck transmissions often do not use "synchronizers" that make gear changes easy. Truck drivers need to know how to engage a gear by matching RPM of the engine to the gearbox and this takes practice and skill to do.
(RPM refers to the Revolutions Per Minute or how many times the shafts in the engine rotate every minute)
RPM means Revolutions Per Minute and refers to the speed of rotation of the shafts in the engine

  

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