All
the mechanical gadgets are powered with gears but they are extensively
used in automotive industry. Gear is round shaped like a wheel which has
several axles cut hold the gear in place while they rotate. To check the
gear ratio of motor vehicle; one should have proper understanding of
gear and its functions. The motor gear ratio relates to the number of
time input shaft turns in association to the number of turns by the
output shaft. The gear used in motors are pinion and ring gears. First,
the teeth or the axles on the
pinion
and the ring gear has to be counted and some basic calculation required
then. Follow the below easy steps:
- Start counting the number of axles on the pinion gear attached to
the crankshaft.
- Once the teeth counting is done for the pinion; repeat the
process with the ring gear. This gear relates with the gears in the
vehicle transmission.
- Now the final calculation; divide the number of axles cut on the
ring by the number of teeth on the pinion. Say the ring gear has 40
axles and pinion with 10 axles; the ratio will be 4:1.
The above calculation concludes that; if the ring gear rotates one
time, the pinion needs to rotate 4 times. The
ring and the pinion gear produces
the same power but spins slower and converts the pinion energy into
torque. The ring and pinion gear ratio determines if the gear
combination is ideal for torque or high speed. The higher torque in
motor is used for acceleration and towing while the high ratio speed is
used for on road cruising.
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