A functioning machine needs an engine, and if the engine doesn’t crank, the machine won’t start. A machine can only remain productive if a dependable starting system is installed and working properly. Electric motors were the main source of ignition for the combustion process for many years in diesel engines. The torque required to start the engine can be generated by an air or hydraulic motor for a number of applications.
A pup engine, a miniature gas engine, was once frequently used to start diesel engines. An engine for a diesel vehicle can also be started with gasoline before switching to run on diesel fuel. This was a difficult solution for a simple problem because the engine needed a carburetor, a spark ignition system, and a device to change its compression ratio. Electric starters were developed when 12V electrical systems became more common and electric motor design improved.
Small four-cylinder engines don’t need a lot of beginning torque. To obtain the necessary cranking speed, however, a sizable amount of torque will be needed as engines develop bigger and have more cylinders. More than 200 ft-lb of torque can be generated by some heavy-duty 24V starters. The gear reduction between the ring gear on the engine’s flywheel and the pinion gear on the starter motor then multiplies the torque.
Let’s Watch This 35HP Oil Engine Start in the video below:
Source: Yesterdays Machinery
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