2013 MOTORCYCLE THE WORKING ENGINE TWO STEP

MOTORCYCLE THE WORKING ENGINE TWO STEP
In the early part explained that two stroke engines only requires one crankshaft rotation to complete one cycle in the cylinder. Effort (power strokes) generated at each crankshaft rotation

Figure 1. two-step Engine form a simple

In the two-cycle engine air-fuel mixture compressed twice each round. The first compression (compression introduction in the crankcase). The mixture was drawn into the crankcase and compressed, then enter into the combustion chamber. The second compression (compression in the cylinders and space combustion). The mixture is compressed very easily ignited and burned to produce high pressure. mix compressed in the crankcase flows into the cylinder through encourage the transfer of holes remains of combustion gases out of the cylinders and is referred to as a transfer step. In details, the workings of the machine in two steps show the Table 2. This follows.

Step Intake And Compression
• Half or 1800 first round
• Piston moves from BDC to TDC
Translation of Steps:
At the bottom of the piston
As the piston moves upward toward TDC crank chamber will swell and make the empty space (vacuum). Revenue hole open. with This pressure difference, the outside air can flow and mixed with fuel in the carburetor which then go into the crank chamber (called the intake stroke crank or filling space.

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The above piston
On the other side intake and exhaust port holes closed by the piston, resulting in the compression stroke herein. With the continued movement of the piston upward urges new gas that has been previously entered, make the temperature and pressure of the gas increases. some degrees before the  piston reaches TDC the spark plug will splash sparks and began to burn the mixture gas earlier (This step is called the compression stroke

 

Work and Exhaust stroke
• After rotation to two or 3600• Piston move of TMA to TMB Its elaboration :The above pistonWhen the piston reaches TDC fresh gas mixture compressed ignited by the spark plug . Gas burningresulting in an explosion that produces thus pushing the piston rotating crankshaft through the connecting rod when the piston moves downward towards TMB ( step effort ). A few degrees after the piston moves to BDC hole open by the piston head exhaust gases exit the former through the exhaust ( exhaust step )

At the bottom of the pistonThe next few degrees after exhaust opened , then rinse channel ( channel transfer ) start open by the edge of the piston . When the piston open hole immediate transfer of the disposal measures have been initiated . gas under the new pistons pressed , the mixture The compressed flowing through the channel rinse to the top of the combustion chamber while helping former gas pushed out ( this process is called flushing ) 

 

Summary table material:
1. Top dead center (TDC) is the cessation of the piston moves at the top of the cylinder.
2. Bottom dead center (BDC) is the cessation of motion of the piston in the bottom of the cylinder.
3. In the first half of crankshaft rotation (1800) of TMB to TMB
- At the bottom of the piston: Step suction or charging crank chamber
- At the top of the piston: Step compression
4. In the next half of the crankshaft rotation (3600) from TDC to BDC
- At the top of the piston: Step effort and waste measures
- At the bottom of the piston: Rinsing
- The principle of the so-called flushing flushing spinning
ie: transfer holes are in the right and left channels exhaust. Fresh air entering through both holes simultaneously located opposite the cylinder wall and turned up. Then the rotating flow down to drain holes pushing combustion gases exit of the cylinder. 

lengthy discussion regarding two stroke gasoline engine, it unfinished feeww we will return to discuss the advantages and disadvantages of using this type of machine, please leave suggestions for future posts