The Disadvantages of Air Bags

Most people consider air bags to be a safety feature. It is true that safety bags were invented to help protect passengers and drivers in the event of an accident. However, not everyone believes that air bags are a safety feature or can always promote safety in the event of a serious accident. 

There are many risks associated with a high-speed car accident or impact. Air bags typically take less than one second to deploy. The force of this can lead to damage in rare instances. For example, when an air bag deploys, it has the power to break someone’s neck or other body part, particularly because of the speed with which an air bag deploys and because of the surprise factor with which most air bags deploy. Typically this will only happen if a passenger is not positioned correctly or has slid forward in their seat. 

Air Bag Malfunctions

Other problems that can go wrong with air bags include computer malfunctioning. There are risks associated with passengers that may not meet the height qualifications for air bags. In cases like this, studies suggest that an air bag may malfunction and instead of saving a life, may actually cause injury or death. 

Short-statured individuals may be at risk for injury when using a vehicle with air bags. Air bags also sometimes provide individuals with a false sense of security. Some car passengers fail to use their seat belt, believing that the air bag is strong enough to protect them in the event of an accident. However most studies that are conducted using airbags are done with the air bag and a safety belt. For an air bag to work properly, it must be used in conjunction with a lap belt. 

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Air bags can also deploy when cars crash going very slowly. Some vehicles have had air bags deploy in instances where a car bumped another car going at a rate of 10mpg or slower. This can cause extensive damage resulting in repairs costing $400 to $2000 in damage.

What is the Function of Carburetors?

Carburetors can perform many duties directly tied to the engine of an automobile. Ideally when working properly a carburetor allows a car engine to run at its best. The carburetor is not nearly as popular in vehicles as fuel injection systems, which have now nearly replaced the carburetor as a method for delivering fuel. However carburetors are still reliable and an alternative method of fuel delivery for many types of vehicles including older vehicles. 

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How Carburetors Deliver Fuel

Fuel injectors work by injecting fuel into an engine. Carburetors work differently. These devices work more like a vacuum, sucking air or oxygen into the engine from the outside, thus allowing air to combine with fuel to provide the engine with the ingredients it needs to power up. 

A carburetor will also supply regular and systematic fuel to the car engine. Most carburetors are directly connected to the gas tank, typically by a fuel line and pump. The carburetor must be created in a manner that allows an adequate mixture of air and fuel. This ratio is specific to each individual car’s needs and engine. 

The ratio will constantly adjust depending on the car’s speed, make, mileage, and overall condition. The carburetor constantly works to maintain fuel efficiently and adapt the ratio of oxygen to fuel depending on the needs of the car, the demands of the car and other factors. Carburetors can warm up by quickening the speed at which car’s idle for several minutes. 

Carburetors also allow a sudden rush of power, as when a vehicle’s accelerator pad is suddenly pushed to the floor generating greater transmission to the vehicle. Passing gear assembly, located in the carburetor, allows vehicles to go from one gear to the next, with the carburetor making adjustments in power and fuel availability on demand.

How Does a Single Injection Engine Work?

Fuel injection simply refers to the means by which fuel is added to internal combustion engines, typically gasoline engines for cars. It has been the number one fuel delivery system for automobiles for many years, replacing the carburetors that used to be used through the late 90s. There are many different types of fuel injection systems that can be used successful.

Fuel injection systems atomize fuel so that fuel can be pumped through nozzles that are under high pressure. 

Single Point Injection Systems

The single-point injection system uses a single injector as the name implies, located at the throttle body or part of a vehicle where that controls how much air flows into the engine. It is also referred to as part of the air intake system on a vehicle. This system responds directly to how much pressure a driver puts on the accelerator pad on the car. This is sometimes located near the air filter and intake manifold, and may be located near a sensor. 

The single injection system was first used in the 1940s, largely by aircrafts, and often called pressure carburetor systems. General Motors first called the single point injection system the throttle-body injection; Ford referred to it as “central fuel injection” and Mazda called it the “EGI” system. 

Using this type of fuel injection, gas passes through intake runners much like it would a carburetor, thus it is a wet manifold fuel injection system. One of the reasons this system has been popular is that it was low-cost. The supporting parts for it including the air filter, cleaner and intake manifold could be used again. This system was highly used through the mid-1990s and can still be found on many vehicles.

More commonly now are directly injection systems and diesel engines which allow fuel to be injected directly into the combustion chamber. 

What is a Direct Injection Engine?

A direct injection engine refers to the way the combustion chamber operates within a car engine. There are many different types of ways to power up an automobile. Typically in gas powered cars, fuel injection is used to power up the car engine. This is an indirect way to get a car to work properly, and typically is associated with less fuel efficiency, allowing usable energy to be wasted in the process of getting your car going.

That means that you spend more money at the gas pump, which is never good for anyone. 

The Way Direct Engines Operate

Using direct injection engine technology, fuel enters a combustion chamber directly. Thus, fuel is able to burn evenly throughout the engine and more thoroughly. For a car engine to work properly, it requires fuel, oxygen and a spark in a traditional gas engine to get it moving properly. This spark starts the engine.

In a direct injection engine compared with a standard gas engine, a few different things take place. In an ordinary engine, fuel goes up the gas tank through a fuel line, and into an injector that is mounted on the car engine. The injector then sprays gas into the air intake, where the fuel will then mix with the oxygen creating a mist. At timed intervals, intake valves open allowing a piston to descend and sucking in this mist from the chamber located below it. The piston then goes back up; compressing the mixture making it much more compact then it was to begin with. That’s when the spark plug fires and ignites the engine using a mini explosion. 

Using direct injection technology, the fuel is simply directly injected into the combustion chamber, rather than waiting in the air intake tank. That means the fuel burns when it is needed making fuel burning more efficient. Generally there is more oxygen in the mixture making the mixture lean so that fuel is burned conservatively. 

Fuel is also burned more completely because fuel is directed where the combustion chamber is the hottest, and thus ends up closest to the spark, preventing fuel waste.

Advantages of Buying vs. Leasing a Car

For many car owners, the decision to buy or lease a car is a confusing one. There are some benefits to leasing. For many car owners leasing a car allows them to take less money out of there pocket, but leasing a car doesn't mean it is always cheaper. Some car owners may actually find that leasing a car is sometimes more expensive.

Other car owners may find that they want to lease a car because they want to size up, or get a new car every few years, or couple of years.

But if getting or leasing a new car every couple of years is not for you, then leasing a car may not be the best deal for you. For some car owners, leasing a car may mean getting less. Buying a car may be a much better deal if you plan to pay off your auto loan. This is because after you do pay off your auto, once you have it in your garage and keep it, you start saving money.

Once you lease, most of the time you are stuck leasing, indefinitely. There is no way to stop leasing, and you never get to say, “It’s paid in full.”

Paying Forever on a Lease

If you pay for a lease, you will make car payments indefinitely. Car owners that pay off a car on the other hand, have an auto to show for it. And when properly cared for, a high quality car may last a lifetime. A car that is $190 per month may only seem like a good deal until you realize that you may be paying that amount of money in perpetuity.

Most lease owners have to pay for depreciation, and cars do depreciate over time. So keep these ideas in mind the next time you decide to lease rather than buy.

Choosing the Right Car For You

We've all met a pushy car salesmen who tries to push off a less than impressive car on unsuspecting buys. If you've been victim to this then all you have to is learn how to buy a car without feeling guilty about it afterward. There are so many options now that buying a car is pretty stressful. With a few pointers though you can have the car you're looking for without being forced to pay an unruly amount for it.

            Car salesmen can be pretty pushy which is why of of the best steps you can take before purchasing a car is to browse dealerships online. Most dealerships now will show off all of their stock online, so you can have a good idea as to what you want without having to listen to a salesmen pitch you something you don't. Looking online actually allows you to research the car you are going to buy before hand too. From blue book value to common problems this is one of the best tools you'll have in buying a great car. Some dealerships will even offer you a carfax on the vehicle you're interested in.

            When you do go to the dealership try to have all of your paperwork together to make for a speedier visit. This will allow you to be in the salesmen's hands for less time so you won't fall prey to any of the extras he or she might try to convenience you to take. When you sit down to sign paperwork make sure you look over every detail. If there is something you don't understand then make sure to ask questions. There is never any reason to sign a document that doesn't make sense to you.

            After you drive off of the lot with your new car you will certainly feel a lot better about your buying experience. Standing your ground and knowing what you're doing are the key elements in car buying that can't be left at home. Bring your confidence to the lot so you can give your salesperson a run for his or her money. 

A Look Ahead

            The car market hasn't been as strong recently as we have seen in previous years. This is largely due to a poor economy and rising gasoline cost that force people to find other means of transportation. As the economy begins to recover there has been a lot of growth in the industry as a whole which leaves many people wondering what is in store for U.S. Auto market in the upcoming years.

            It has become clear that many people are looking for alternatives to gasoline when it comes to to fueling their vehicles. This has been taken into consideration by many auto companies who have been planning huge upgrades for the future. Hybrids and electric cars have been released more frequently and the prices of these economic cars has gone done considerably from their original release date. As time progresses many customers will be able to afford one of these exciting new fuel efficient cars, which will mean there will be less dependency on gasoline in the future.

            A lot of car companies have also sent their factories abroad for cheaper labor. There are many propositions that would like to end this practice in order to boost the American economy. This might mean that the auto industry might be producing more American made vehicles in the country, so prices will drop down a little bit. With more American cars being produced there will be a lot more jobs and business maintained within the country which will help boost the economy and help people afford hybrid and electric vehicles, as well as help companies release more energy efficient cars and research new ways to power vehicles.

            The future seems positive for the American auto industry. With the correct changes to fuel needs and American made products we may soon find a boost in car sales like never seen before. This make take several years to work, but when the time as come the auto industry will boom greater than ever before.