Lm automobileEnggLab


AUTOMOBILE ENGINEERING LAB



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Auto-Lab-Manual
AUTOMOBILE ENGINEERING LAB
INSTRUCTION SHEET

EXPERIMENT NO
Aim
To study and prepare report on the construction details, working principles and operation of the following automotive drive lines and differential. a) Rear wheel drive lines b) Front wheel drive lines c) Differentials, drive axles and four wheel drive lines
Theory
Labeled diagram, construction details, working principle and operation of the following drive lines and differential.
PROPELLER SHAFT
This is the shaft which transmits the drive from the transmission to the bevel pinion or worm of final drive in front engine, rear drive vehicles. It is also called driveshaft. It consists mainly of three parts. a) Shaft – As this has to withstand mainly torsional loads, it is usually made of tubular cross section. It also has to be well balanced to avoid whirling at high speeds. b) One or two universal joints, depending upon the type of rear axle drive used the universal joints account for the up and down movements of the rear axle when the vehicle is running c) Slip Joint – Depending upon the type of drive, one slip joint maybe therein shaft. This serves to adjust the length of the propeller shaft when demanded by the rear axle movements.

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