Automobile- drive systems
- 1. AUTOMOBILE ENGINEERING Topic :- Drive System Types
- 2. What is a drive system ? Why is it necessary? A drive system in an automobile is the system where power from the engine is transferred to the wheels Without a drive system the automobile cannot run or be useful. Proper Drive systems place a very important for good grip of the vehicle to the ground to enable smooth handling and better efficiency of the vehicle Drive systems are of different types
- 3. Types of Drive Systems Front Engine & Rear Wheel Drive Front Engine & Front Wheel Drive Rear Engine & Rear Wheel Drive Four Wheel Drive
- 4. Front Engine & Rear Wheel Drive In these type of Drivesthe Power from the engine is transmitted by a shaft to the rear wheels in order to drivethe Vehicle
- 5. Advantages • Better handling in dry conditions • Less costly and easier maintenance • Even weight distribution Disadvantages • More difficult to master • Decreased interior space • Increased weight
- 6. Front Engine & Front Wheel Drive In This type of Drive The Power from the front engine is transmitted directly to the front wheel.Here a long Shaft is not needed to transmit power.
- 7. Advantages Disadvantages • The center of gravity of the vehicle is typically farther forward • Torque steer can be a problem on front wheel drive cars with higher torque engines ( > 210 NM ) and transverse layout • Interior space is increased • Weight is less • Cost is less and better mileage
- 8. Rear Engine & Rear Wheel Drive Engine and differentialis connected to the rear axiland controllingis done from rear axil. Thereis no need of propeller shaft.
- 9. Advantages 1. Weight over the drive wheels - Benefit is increased traction, especially while accelerating 2. Packaging - Benefit is more space for passengers or cargo (more on this later) Disadvantages The disadvantage to a rear weight bias is that the car can become unstable and tend to over steer when decelerating (whether braking or lifting off the throttle). In turns, this tendency is much more pronounced, to the point that even letting off the throttle slightly while turning can cause the rear tires to suddenly lose grip
- 10. Four Wheel Drive In four wheel drive differential is attached on both the sides of the shaft and the torque from the engine is transferred to both the eyes.
- 11. Advantages All Wheel Drive (or AWD) is a system in which all four wheels of a car operate simultaneously to improve traction and handling. While it is possible for a car to have continuous AWD capabilities, it is far more common for one pair of wheels to engage only when sensors detect that the other pair has begun to slip.
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