This car took few man-hours to assemble engine but several man-hours for body manufacture. In 1913 Henry Ford started mass production of cars-Ford “Model-T” with slogan “Car for everyone” To reduce the weight and to get difference in shape, sheet metal panels replaced hardwood framing reinforced with ironwork.Īround 1909-Vehicle speed 12miles/hr-design of body took place.
Initially horse carriage builder build the body to a steel framing/chassis. 1896-98 –Body is nothing but a convenient seat for the driver and a cover for the engine and other chassis. UNIT –I CAR BODY DETAILS ‘Carriage’ is the term for the vehicle jolting with 5miles/hour to the smooth comfort vehicle with a km/min. “Vehicle Body building and drawing” - Heinemann Educational Books Ltd., London – 1977. John Fenton - “Vehicle Body layout and analysis” - Mechanical Engg. “Body construction and design” - Liiffe Books Butterworth & Co. J.Powloski - “Vehicle Body Engineering” - Business Books Ltd, London -1989 UNIT –V BODY MATERIALS, TRIM AND MECHANISMS Steel sheet, timber, plastic, GRP, properties of materials Corrosion, anticorrosion methods. Dimensions of driver’s seat relation to controls. UNIT-IV COMMERCIAL VEHICLE DETAILS Types of body flat platform, drop side, fixed side, tipper body, tanker body, Light commercial vehicle body types. Constructional details: frame construction, double skin construction, types of metal sections used, Regulations, Conventional and integral type construction. Bus body layout floor height, engine location, entrance and exit location, seating dimensions.
UNIT- III BUS BODY DETAILS Types: mini bus, single decker, double-decker, two level and articulated bus. Vehicle drag and types various types of forces and moments, effects of forces and moments, side wind effects on forces and moments, Various body optimization techniques for minimum drag, wind tunnel testing: flow visualization techniques, scale model testing, component balance to measure forces and moments. Car body construction design criteria, prototype making, initial tests, crash tests on full scale model, Dummies and Instrumentation Safety: safety design, safety equipments for cars. Visibility: regulations, driver’s visibility, tests for visibility, methods of improving visibility and space in cars. UNIT- I CAR BODY DETAILS Types: saloon, convertibles, limousine, estate car, racing and sports car. AT1402 VEHICLE BODY ENGINEERING OBJECTIVE At the end of the course, the students will be able to have a sound knowledge for the design of the vehicles body to give maximum comfort for the passengers and exposed to the methods of stream lining the vehicles body to minimize drag.
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