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can u pl send me the details of the project "Fabrication of four wheel steering system ". as i hav to do a mini project for my 6th sem. pl.....
please read http://studentbank.in/report-four-wheel-...ars-report for getting more about abrication of four wheel steering system
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Fabrication of four wheel steering system
INTRODUCTION

Four-wheel steering, 4WS, also called rear-wheel steering or all-wheel steering, provides a means to actively steer the rear wheels during turning maneuvers. It should not be confused with four-wheel drive in which all four wheels of a vehicle are powered. It improves handling and help the vehicle make tighter turns.

Production-built cars tend to understeer or, in few instances, oversteer. If a car could automatically compensate for an understeer/oversteer problem, the driver would enjoy nearly neutral steering under varying conditions. 4WS is a serious effort on the part of automotive design engineers to provide near-neutral steering.

The front wheels do most of the steering. Rear wheel turning is generally limited to 50-60 during an opposite direction turn. During a same direction turn, rear wheel steering is limited to about 10-1.50.

When both the front and rear wheels steer toward the same direction, they are said to be in-phase and this produces a kind of sideways movement of the car at low speeds. When the front and rear wheels are steered in opposite direction, this is called anti-phase, counter-phase or opposite-phase and it produces a sharper, tighter turn




http://seminarsprojects.in/attachment.php?aid=2238
thanks,for this seminars,it will really help me in my last year projfct.
Sir
If possible can i get full information about it
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http://studentbank.in/report-fabrication...ing-system

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