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Often students and other automotive enthusiasts don't get
a one place technology portal that gives the fundamentals away that are necessary to build up the basics.I have frustrated myself enough too before having this blog started so as to come up with a complete compilation of what we call "basics".Being a student myself, I guess that I will be able to take things from a students point of view well enough.
This blog is open to all type of queries regarding automobile , computers , mechanics etc. All you need is to post your query and we(me and my fellow members) will answer it in a detailed manner.

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Drum Brakes

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                                       DRUM BRAKE                         PRINCIPLE  OF OPERATION- principle of operation of drum brake part-1 principle of operation of drum brake part-2 DRUM BRAKE COMPONENTS- Modern drum brakes are sometimes called internal expanding brakes, since the brake components are internal (inside a drum), and the shoes must expand, or move out­ward, to contact the drum. Drum brake components vary only slightly between manufacturers. Most design differ­ences are in the methods of brake shoe anchoring and spring placement. Backing Plate - To provide a foundation for the drum brake COMPONENTS  and to act as a splash shield against water and road  debris, a backing plate (sometimes call ed a support plate)  is used. The wheel cylinder,brake shoes, and springs are  attached to the backing plate. The flat spots on the backing plate  are cal led support pads.  The wheel cylinder is usually solidly attached to the  top o
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Clutch

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Clutch The clutch is housed between the engine and transmission where it provides a mechanical coupling between the flywheel and the transmission input shaft.The main purpose of the clutch is to disengage the engine from the drive line while changing gears or starting from rest,however, there are other requirements too. REQUIREMENTS: (1) Pick up load smoothly. (2) Have a driven disc of low moment        of inertia for quick shifting. (3) Damp vibrations of crankshaft. ($) Require little pressure to operate. (5) Be easy to access. (6) Be cheap to manufacture. Now, Mechanical clutches fall in two main categories positive engagement and progressive engagement . The former is either positively disengaged, so that no torque can be transmitted from the driving to the driven shaft, or positively engaged, in which case the shafts rotate together, connected by some mechanical devices such as splines, keys or dogs. In contrast, the progressive type is gradually e
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Types Of Mechanical Transmission Systems

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Most mechanical transmission fall in three basic categories with three elements each, namely- (1) Clutch, Gearbox and Live Axle, (2) Clutch, Gearbox and Dead Axle, (3) Clutch, Gearbox and Axle-less transmission Clutch, Gearbox and Live Axle --> The engine is in the front with its crankshaft parallel to the axis of vehicle.The drive is transmitted from engine through a clutch and a short shaft 'c' to the gearbox ('c' is almost always integral with the primary gear in gearbox, but sometimes is a separate component with universal joints).From the gearbox the "Propeller Shaft"-having U joints at both ends and a sliding joint at front end-takes the drive to rear live axle.Live axle is the one through which the drive is transmitted while a dead axle is the one through which the drive is not transmitted.Bevel or worm gearing (g) within the axle turns the drive through  90°, and differential gears divide it equally between the two drive shafts, or  ha
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