![]() ![]() Your car’s internal combustion engine creates power and torque, but it is only really useful during a certain speed range. Now, there are multiple sets of gears for going forward and another set for going in reverse. The power travels through the transmission. Here’s a problem: An automobile must be able to go backward and forward so another set of gears is added, called reverse idler gears. The gears help regulate the power for maximum efficiency. The power goes through the gears in the transmission. The sleeve gear can move in order to create different gears for higher or lower speeds.Ī large vehicle takes a large amount of force to start. On the sleeve, a large gear is mounted that can move from the drive shaft to the engine shaft. The clutch sleeve cannot turn on the drive shaft but is free to slide back and forth. These gears, also called dog teeth, are always in mesh and turning when the engine is running. ![]() The drive shaft going to the wheels is in mesh with another gear on the countershaft. The main difference between manual and automatic transmissions is that the manual transmission uses multiple sets of gears to the drive shaft while an automatic transmission uses a planetary gear set to produce different gear ratios. The Countershaft connects the Engine Shaft to the Drive Shaft.The Drive Shaft carries the power to the rear wheels.Here are some of the gears that you shift in your motorcar: The transmission, composed of many interlocking gears (levers), is located right underneath the gear shifter. Larger gears take longer for a full rotation, but provide greater force. Transmissions are used in mechanical engineering to improve mechanical efficiency and make the most use of an engine’s torque.Ī gear is basically a collection of levers that rotates. The Basics of How Transmissions WorkĪ car transmission uses the ancient concept of a lever, in the form of gears and gear trains, to provide speed and torque conversions, which is applied to power your vehicle. This limits your pool of buyers when looking to sell your car or trade for a new one.Ĭlick here if you want to learn how to drive a manual transmission. News and World Report, only 18% of Americans know how to drive a stick shift. One thing to keep in mind, however, is resale value. That’s unfortunate because there are still many reasons to choose a manual transmission. Driving schools that offer instructions on manual transmissions are rare. Sales went up and manufacturers started to save money by only offering one drive train option.įor young people, knowing how to drive a manual transmission is nearly unheard of. As the advantages began tipping in automatic’s favor, they became the preferred choice. Many consumers preferred manual transmissions because they ran up to $1,000 cheaper and usually got better fuel efficiency.Īs the years went on, however, car makers were able to make the automatic transmission better and drivers began to get used to the ease of automatic shifting. Manual vs Automatic TransmissionsĪlmost all car manufacturers offered a choice between automatic and manual drive trains. Why are manufacturers and consumers ditching the manual for automatic? What are the key differences between the two? We explore the manual vs. Or, if you were given your mom’s hand-me-down vehicle as a teenager, manual cars can remind us of learning to shift, but mostly stalling, in an empty parking lot. Manual vehicles, however, have a certain allure to them-images of fast cars roaring along an open road. These days, most people buy a car with an automatic transmission. Some people describe feeling powerful while driving stick shift, while others find it difficult and appreciate the ease and safety of an automatic. It really depends on what you need and how you want to feel when cruising in your vehicle. As a country of car people, there are many opinions about what makes the best ride. The debate over manual versus automatic transmissions is largely subjective.
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