Monday, September 12, 2011

The choice of the body. Part 1

The body of modern cars do not differ significantly varied only in appearance and purpose, but also in design. Purpose is very important, but not limited to it, there are other factors that influence the final choice of the civilized consumer. The word "civilized" I used not just. Countries in which until recently was a total deficit of all, and even vodka was only two kinds - the "good" and "very good" to the car are a bit different than just a means of transportation. While the choice often determines the ability to look "cooler all." When choosing the type of car body man must first understand clearly the purpose for which he needed a car. It is clear that the father of a numerous family to travel the whole family to the country will not buy their sports coupe with two "children" back-seat, ground clearance of 100 mm and an aluminum suspension. European and especially Japanese buyer calculates every detail, before you invest your money. Car - also an investment. I'll try to list the main types of body are available now to the buyer. Unfortunately, the relatively recent types of technical and design solutions of different vendors is often referred to in different ways, thus hinting at its superiority in the development of an innovation. The same confusion occurs with the latest electronic security systems and all-wheel drive. Well, the old names, no one had patented, all in the language. The oldest and most popular body style - it's certainly a sedan. By the way, the most popular among Russians, unlike Western Europe, where car owners preferred a more practical hatchback. Sedan is a four-door three-volume body, which is present hood, trunk and, in fact, a compartment for the driver and passengers. All three components are not linked. On some modern sedans, though it is possible to expand the rear sofa or a part thereof. Or, at worst, there is a hatch in the trunk for carrying long loads. Sedan has always distinguished the increased comfort of travel and the ability to maintain a very high cruising speed due to good aerodynamics. This body type also features excellent handling thanks to a good initial weight distribution. Aerodynamic performance of modern sedans impressive. For example, last modification Toyota Camry has a drag coefficient of 0.28! When in 1989 came Opel Calibra (coupe), GM announced a breakthrough in the field of aerodynamics - 0,3! But time passes, the automakers are working on this issue. True, the reserves are already exhausted. Three-volume body - the leader in aerodynamics. This design minimizes air turbulence, which makes it possible to keep a clean glass, including rear, and above all safety when driving. Not for nothing business, and the more representative the class offers its cars specifically to such vehicles. Another type of "trehobemnika - coupe. In contrast to the sedan there are only two doors. If we are talking about real sports cars, rather than "pontovoy" fiction, it is all subject to one thing - speed. Sometimes aerodynamics coupe could be worse than the sedan, as the spoiler, creating downforce at high speeds, have their own aerodynamic drag. But such machines are designed for active driving, the dynamics and control - that's the main thing. Weight distribution, the drive, including a full, stiff suspension provides handling, over-powerful engine - the dynamics, but for a long time to move on this car hard. On practicality body "coupe" is close to the bike, get on the tiny rear seats, and even more so to go there, are often extremely uncomfortable. The trunk is small, and the small clearance does not allow to ride away from major cities. In general, the coupe - a car for a wealthy egotist. Impractical, expensive and probably not the only one. Of course, there are exceptions to the rule. Typically, these exceptions come from overseas. For example, the legendary Ford Thunderbird - five-meter sedan with an engine V8, «automatic transmission and a comfortable suspension. It can move a long time and with all possible amenities. Probably the most popular European body, of course, hatchback. Wagon, as the body, more practical, but the problem is that it is heavier, more expensive, besides a complete set of similar machines manufacturer forcibly limited to certain limits. So in terms of price / quality, and especially practical hatchback has no competitors ceteris paribus. This two-volume body: the passenger compartment and trunk are a single entity. As a result, the rear seats folded the luggage compartment is very, very voluminous, and a large rear door allows you to load items overall. Hatchback comes in three-and five-door. Well-known to Russians cars with this body - this is VAZ 2108 and VAZ 2109. In terms of practicality still a big question which is better. By purchasing one huge TV, I could not shove it through the back door hatchback - not passed on dimensions. But he was perfectly fit in the front passenger seat unfolded. Well, that "eight" such a huge side door, in VAZ 2109 TV would not come. Hatch can be used in the city and the city, as a means of transport and cargo and passengers. Two-volume arrangement allows a great deal. Hatchback, of course, is not as comfortable as a sedan, but the facilities there is still a lot. With the aerodynamics, the situation is worse. VAZ 2108 the firm designed the Porsche, they are also "purged" her. The result was vyshtampovka above the rear door, which increases the downforce at high speeds. But the stick, as usual, was double-edged sword - a clamping force provided, but here's the rear window grime instantly. Full-time "caretaker" was frankly small, small window cleaning, inadequate for a good review. Probably all seen the VAZ 2108 with a large front-yard keeper on the rear doors and intricately curved wiper leash. It was possible to correct the situation another way - in almost every store was sold spoiler for installation on the rear door on the WHA 2108/09. Glass ceased instantly dirty, the only problem is that the spoiler was that it reduced all the attempts of the company Porsche to zero and create lift at high speeds. In general, with the aerodynamics of a hatchback body is not going smoothly. Chopped forage creates an air turbulence behind the car, picking up all the dirt off the road and ferrying it to the rear of the machine. Therefore, all equipped with rear hatch washer jets and wiper blades, which seems entirely superfluous. But anyway, this body of popularity in Europe has no equal. Trendsetters here - the company Volkswagen. Their Golf has always been at the peak of sales. Now the Japanese and Koreans are seriously pressed pioneer, offering his version of events. Hatchback so versatile that even the appearance of such terms as "hot hatch" - a car with improved dynamic characteristics. This, for example, Golf GTI, Focus ST, Clio Sport, etc. Such vehicles can not pass, and before a trip out of town, and partly to satisfy the ambitions of the temperamental owner, not accumulated until a full-fledged coupe. To be completed ...

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