The final touch of how a vehicle puts the power on the ground includes various
layouts. The car may accelerate using only the front tires, only the rear
tires, both simultaneously, or both under various conditions. The most common
setup for small cars and sedans is front wheel drive, meaning the front two
tires are accelerated by the engine.
Sports cars, SUVs, and trucks typically use RWD. Having the rear tires
accelerate is beneficial since the weight of the vehicle transfers to the rear
tires under acceleration. Also, splitting the tasks of the front and rear tires
allows for better overall traction.
Before moving on to 4WD, it is important to understand the Ackerman Principal,
which explains how a car will turn ideally at low speeds:
Four wheel drive (4WD) has a huge advantage off road, on surfaces such as sand,
dirt, ice, and snow, since all four wheels share the burden of accelerating the
vehicle:
As promised in the previous video, understanding transfer cases can be tricky.
This video should clear things up:
AWD vehicles are similar to 4WD vehicles, except most do not use locking
differentials, and there is no low gear setting.
As mentioned above, locking differentials are common in 4WD vehicles, however
open differentials or limited slip differentials are more common in AWD
vehicles.
After understanding all the different ways power is transmitted to the ground,
it is reasonable to be curious how steering is accomplished. Although there are
numerous methods of steering, rack and pinion steering is very common, and is a
simple solution to enable a car to change the direction the tires point.
In order to keep all four tires on the ground as much as possible, cars require suspensions. The next lesson will explain suspensions, and various form utilized in the automotive industry.
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ReplyDeletecan we please have a lesson on rear engine rear wheel drive..i mean the weight distributions are diff since the engine sits right on the tyres
ReplyDeleteWell explained
ReplyDeleteI am an FSAE India (SUPRA) participant . I am confused that which is a better option for my car : differential or spool?? Kindly explain with valid arguments.
ReplyDeleteGreat video with easy to understand explanation.
ReplyDeletekeep up the good work
love the part about perfect replika integra steering wheel Lol
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ReplyDeleteit took 20 years in storage at 40C to reach the same characteristics as the tires used at 40,000 Km showing that tires do age more rapidly when used than when stored.”Second Hand Tyres
ReplyDelete