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How A Car Motor Works - College Essay

How A Car Motor Works


Have you ever gotten smoked in a stoplight confrontation by a lesser car that you should have creamed? Does your buddy with his almost stock car pull away from you in a roll on a consistent basis? Tired of losing in front of the crowds at the local strip? Does the local "Guru" who works at your friendly neighborhood speed shop intimidate you with quasi-scientific B.S. when you try to buy something. Are you running out of hard-earned money? How do you know if the mail order house phone salesman is giving you the straight scoop on that turbo kit? If this sounds like you, then this is something you should be reading!
In the weeks to follow we will explain all of the basics, starting at first ...

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understanding of how an engine works! Next we will dig into the guts of an engine to see what makes it tick. Many of you will find this stupefyingly simple but some of you readers will be glad we took the time to really explain it to you!
Cars, for the most part with the exception being the rotary Mazda, are powered by what is called a 4 Stroke engine. A 4 Stroke is called that because there are basically 4 strokes to the power cycle, the intake stroke, the compression stroke, the power stroke and the exhaust stroke. We will explain those in a minute. The 4 stroke cycle is how an explosion of gasoline and air can be smoothly transferred into useable power to hurl you down the track or take you to work.
An engine has some major functional parts, the block, the crank, the pistons and the rods. These parts work in close harmony in an exacting manner to harness the chemical energy in gasoline, converting many small explosions of air and fuel into a rotary motion to spin your wheels and ...

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head with great pressure by the force of the small explosion of the burning gas and air. This is the basic premise on how an engine works. The piston has rings, which are thin, circular, springy metal seals that fit in grooves around the top of the piston. The rings job is to help seal combustion pressure from blowing past the piston, loosing much of the power producing pressure. The rings also help scrape lubricating oil off of the cylinder, or bores walls so it does not get burned up in the cylinder. If an engine had no rings it would not be able to develop enough compression to run, as well as burn up all of its lubricating oil in just a few minutes of running.


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PAPER DETAILS
Added: 10/2/2008 08:49:14 PM
Category: Technology
Type: Premium Paper
Words: 2728
Pages: 10

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