| Gears are one of the most basic transmission | | | | moves, but it increases the power generated by |
| devices. You have heard about gears in cars, | | | | the rotation of the wheels. Hence, on the whole |
| bicycles, and many types of machines. If you are | | | | cycling-up the slope becomes easier. A similar |
| not a mechanical engineer, you will be amazed by | | | | example could be considered for a stick-shift car, |
| the extent to which gears affect our daily life. As | | | | whereby, you climb up steep slopes in a lower |
| any student of mechanical engineering will tell you, | | | | gear. And to think that in their simplest form, |
| gears are at the heart of any machinery. This is a | | | | gears are nothing but an interlinked pair of |
| basic article to tell you what gears actually do. | | | | toothed wheels. But, gears can get more |
| There are two basic functions that gears | | | | complicated. For instance, we could have a chain |
| perform. First, they make power travel from one | | | | of gears when gear-one rotates gear-two, which |
| part of a machine to another. For instance, when | | | | rotates gear-three and so on. Likewise, we could |
| you are pedaling a bicycle, it is the arrangement | | | | have a situation where one of the toothed |
| of gears that causes the transmission of power | | | | elements is a cylinder, while the other is a disc. |
| from your leg movement to the rotation of the | | | | Also, again going back to the example of the |
| wheels. Likewise with most other forms of gear | | | | cycle, we could have the two gears separated by |
| based machines. Second, gears act as reducers. | | | | some distance, but interlinked by a chain, or other |
| Thereby, they reduce the output speed but | | | | transmitting device. |
| increase the torque. To understand this, once | | | | Ajeet Khurana writes on subjects ranging from |
| again consider the example of a bicycle. If you | | | | the esoteric to the scientific. Visit his site on |
| are climbing up a slope, you move to a smaller | | | | Gears and Gear Technology. Also, visit his site on |
| gear. This reduces the speed at which the cycle | | | | Grips. |