Fill in the Missing Words
25.Place the missing word to complete the following statement about transmission gearsets using the following words.
Missing Words: axle, calculated, final, first, fourth, gears, increased, large, meshes, multiplying, ratio, second, shaft, torque, transmission
Power is moved through the _transmission__ via four gears (two sets of two gears). Speed and torque are altered in steps. To explain how this works, let us assign numbers to each of the _gears__. The small gear on the input shaft has twenty teeth. The gear it _______________ with has forty. This provides a gear ratio of 2:1. The output of this gearset moves along the _______________ of the forty-tooth gear and rotates other gears. The gear involved with _______________ gear has fifteen teeth. This gear rotates with the same speed and with the same _______________ as the forty-tooth gear. However, the fifteen-tooth gear is meshed with a _______________ gear with thirty-five teeth. The gear _______________ of the fifteen-tooth and the thirty-five-tooth gearset is 2.33:1. However, the ratio of the entire gearset (both sets of two gears) is 4.67:1.
The driveline’s gear ratios are further _______________ by the gear ratio of the ring and pinion gears in the drive axle assembly. Typical _______________ ratios are between 2.5 and 4.5:1. The final (overall) drive gear ratio is calculated by _______________ the transmission gear ratio by the final drive ratio. If a transmission is in first gear with a ratio of 3.63:1 and has a _______________ drive ratio of 3.52:1, the overall gear ratio is 12.78:1. If _______________ gear has a ratio of 1:1, using the same final drive ratio, the overall gear ratio is 3.52:1. The overall gear ratio is _______________ by multiplying the ratio of the first set of gears by the ratio of the _______________ (3.63 times 3.52 equals 12.78).