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Automobile Science - Bharathidasan University

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1. Groover,M.P., CAD/CAM Computer Aided Design and Manufacturing, Prentice Hall,<br />

1990.<br />

2. Niebel, Modern Manufacuring Process Engineering, McGraw Hill, 1989.<br />

*********************<br />

NON MAJOR ELECTIVE II<br />

BASIC CONCEPTS OF TWO & THREE WHEELED AUTOMOBILES<br />

UNIT I INTRODUCTION<br />

Classification of two wheelers and three wheelers Motor cycles, Scooter, mopeds, racing<br />

bikes, auto-rickshaws, three wheeled pick-up delivery and trailer vehicles. Basic design<br />

considerations-Overall weight and dimension limitations, power requirements and<br />

stability problems, Gyroscopic effect-Rake, Trail, Pendulum effect and cornering forces.<br />

UNIT II POWER UNITS<br />

Two-stroke and four stroke engines for two wheelers. Design criteria for cylinders and<br />

cylinder head, cooling system and lubrication system. Carburaters-types for two and three<br />

wheelers. Ignition systems-Magneto, battery coil and Electronic ignition.<br />

UNIT III CLUTCHES AND TRANSMISSION<br />

Clutch types for two and three wheelers, Gears, Gear changing mechanisms. Clutch<br />

operating mechanisms, belt, chain and shaft drives. Free wheeling devices, Lubrication of<br />

transmission system.<br />

UNIT IV FRAMES AND SUSPENSION<br />

Various types of frames used. Basics of designing of frames for fatigue strength, torsional<br />

stiffness and lateral stability. Front and Rear forks. Springs for suspension and dampers.<br />

UNIT V WHEEL, TYRES AND BRAKING<br />

Wheel types, method of wheel attachment. Tyre selection. Brakes-types. Operating<br />

mechanisms.<br />

TEXT BOOK<br />

1. Irving. P.E., Motor cycle Engineering, Temple Press Book, London, 1992.<br />

2. Srinivasan S., Motor car Mechanism, New century book house private Ltd,1987.<br />

REFERENCES<br />

1. The Cycle Motor Manual, Temple Press Ltd., London, 1990.<br />

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