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Drum Brakes : Basics, Working, Advantages and Disadvantages
Fig: Drum Brakes Basics of Drum Brakes: Drum brakes is a type of mechanical braking system that uses friction caused by a set of shoes( a.k.a brake shoe) that presses outwards against a rotating brake drum. The braking action is caused inside of a brake drum thus, giving it a name ‘Drum Brake’. They need regular adjustment of brake wire, brake lever adjustment and requires frequent changing of shoes at a particular period of time after usage. However, these brakes are generally operated with mechanical force by brake pedals but in some other applications they were also operated by hydraulic force mechanism. However, Drum Brakes are only used in low…
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Four Stroke engine | Working, Application, Advantages and Disadvantages
Fig: Four stroke diesel engine A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft, unkine two stroke engine which works on two cycle. A stroke refers to the full travel of the piston along the cylinder, in either direction. This type of engine works on otto cycle. Nikolaus Otto was the first person who demonstrated the four stroke engine in 1876. Working: The four stroke engine has four separate strokes. Each stroke has following meaning: Fig: Working of a four stroke engine Intake: This stroke is also known as induction or suction. This stroke of the piston…
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Hybrid Vehicles | Basics, Types, Advantages and Disadvantages
What are Hybrid Vehicles? Hybrid Vehicle is a vehicle that utilizes more than one fuel sources or two or more different fuel sources to operate and to move the vehicle or a hybrid vehicle is a vehicle wherein the means of propulsion is by engine which is a combination of IC( internal combustion engine petrol/diesel) engine and an electric motor.The term hybrid vehicle is often referred to the electric hybrid vehicles, which merge one or more electric motors to an internal combustion engine. Hybrid vehicles are often powered by a number of sources such as solid combustibles, human powered, CNG, LNG, hydrogen, electricity, electromagnetic fields, petrol, diesel wind and solar…
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Combustion Engine | Definition and Types of engine
A combustion engine is a mechanical device or motor which is designed to convert heat energy into the form of mechanical energy. However, engines are of different types. It has various different applications but most widely used in automobiles. The basic engine types is generally classified with respect to their combustion: 1) External combustion Engine: Fig: External combustion Engine or EC Engine This is an engine in which the combustion or burning of fuel takes place outside of the cylinder. That’s why it is known as EC Engine. However, In this engine heat is obtained by burning of fuel, then it is used to convert the water or other low boiling temperature…
