Product Innovation 1 : 103MED Re-sit Coursework - Summer 2011

High school
Engineering and Construction
Pages 10 (2510 words)
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Product Innovation Disc type brakes are widely employed in vehicles around the world. These systems are commonly available and are simple to dismount, disassemble, service and reinstall. A few basic components make up the entire system. Certain dimensions are critical to ensure that the disc brake system performs flawlessly.


(Ganaway, 2002) Disc brakes utilised on these different kinds of systems vary in form and design significantly but not in principle. The basic principle remains fixed at using a disc mounted to a vehicle hub. During braking, the brake disc is jammed by using a calliper that is often triggered hydraulically on cars, jeeps, trucks, trains and a majority of motorcycles. (Popular Science, 1964) However, disk brake installations on bicycles are actuated by wire based systems. Previously drum brakes were widely utilised on all forms of vehicles especially in the earlier years of automobiles. However, the advent of disk brakes changed this forever. Disk brakes are far more convenient to install and maintain and produce greater braking loads in comparison to regular drum brakes. Consequently, certain vehicles have begun to utilise disk brakes on all wheels especially racing cars. Passenger vehicles however are often designed to use disk brakes on the front wheels while drum brakes are used on the rear wheels. This comes about as the load on the front wheels in often greater due to the weight of the engine. The particular disk brake being analysed here is a Ford Cortina disc brake which was installed on these vehicles between 1970 and 1982. ...
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