crossover

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crossover

Crossover – this border class cars, trying to combine the qualities of an SUV and a hatchback. Usually these are large SUVs with a spacious interior that allows easily accommodate the average family. Specifications crossover allow him to feel confident in these road conditions in which ordinary passenger car zabuksuet. High lumen helps when driving on country roads.

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Leveling Headlights

What is HA?

Leveling Headlights – a device for maintaining a predetermined position of the optical axis of the headlamp in a vertical plane relative to the road surface regardless of vehicle load and driving conditions (mode, speed). Owners of old cars probably had to deal with a problem when downloading in the dark eyeballs trunk, there is an unpleasant situation – lights “light in the sky.” Problem-leveling just align the light beam in such situations.

In modern models dominated two types of auto-leveling – quasi-static and dynamic. In the quasi-static systems Automatic only reacts to body tilt, which may vary under different loads at high speeds or under the influence of air resistance forces. Such changes do not occur very often, so a high speed of response of the system is not required. Quasi-static system consists of: two body position sensors associated with the axes of the vehicle through special levers; electronic control unit; actuators; backup manual dimmer on the instrument panel (both static controllers). Setting the desired tilt reflector headlamps carried actuator commands to the electronic control unit. Last for this uses data on the position of the body on the floor sensor and speed sensor ABS (antilock braking system).

The next step in the history of the headlight adjustment become costly dynamical systems. Real need for their introduction into the car emerged after the xenon headlamps emitting high energy output, and therefore more dangerous in the case of incorrect adjustment. Even short-term “exposure” is fraught with long they dazzle oncoming car. The main difference between the dynamical system is the speed of response to changes in body position. Here it is a fraction of a second, which allows electronics firm ‘hold’ light beam headlights at the same level during acceleration, braking, cornering, driving on rough roads, etc.

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engine compression

What is the engine compression and how it is measured?

If you bought a used car, it is quite possible that in a short time you’ll have to repair the engine. The most common problem is a worn engine compression loss due to wear of piston rings.

Here are some signs that say about the loss of compression:

– From the muffler is constantly gray smoke;

– Greatly increased oil consumption;

– Increases fuel consumption;

– Reduced engine thrust.

Compression is nothing but the maximum air pressure at the end of the compression stroke in the combustion chamber. Compression depends on the degree of compression.

Measure the engine compression can own. We offer you a video showing how it’s done:

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commercial vehicle

What is the vans?

The term “commercial vehicle” heard by many, but certainly not all zanyut what it is. For commercial cars accepted to light trucks (side tilts and metal vans) full weight up to 3.5 tonnes and minibuses for up to 16 passengers. These vehicles produce many automakers, for example, a model Volkswagen Volkswagen Transporter, from Ford – Ford Transit, at Reno – Renault Trafic.

We have the most striking representative of commercial vehicles are well known to all cars “Gazelle”.

Its name this class of vehicles shall ensure that they are used primarily for commercial purposes, usually in small business.

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wheelbase

Wheelbase of the car – the distance between the centers (axes) of the front and rear wheels.

In the long and short wheelbase byzy has its pluses and minuses. Car with a long wheelbase high-speed stability and more predictable cornering, but harder derived from skidding. Increased wheelbase is directly proportional to the mass of the car and increase its capacity (capacity). However, long-wheelbase cars less maneuver in urban environments.

Car with a short wheelbase better fit into tight turns and better output from the skid. Korotkobaznym cars have higher throughput and better maneuvering in urban environments. However SWB negatively affects the stability of the car at high speeds.

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Climate control

Climate control – a system consisting of air conditioning, heating systems, filtration systems, special sensors located in different places, as well as an electronic control unit climate. Moreover, in the most advanced systems can be taken into account not only the temperature, humidity, and even interior lighting sunlight, which allows for a really high level of comfort. For maintaining the specified parameters in the car electronics and monitors the main difference from the climate control conventional air conditioner, which the driver controls manually.

Quality climate control system takes into account all the different sensations of comfort for different climatic conditions. Even if overboard low temperature, in addition to the heater can run air conditioning – not to fog up the glass. Before we get into the cabin, the air is filtered; if it is very dirty, the system automatically switches to recirculation.

Multi-zone climate control – different from the usual climate control only in that allows you to set different temperatures for the driver and passengers. Dual-zone climate control allows you to set different temperatures driver and front passenger. Three-band gives you the opportunity to put a separate temperature and rear passengers, and even the four-set allows them to separate the temperature of the left and right seats.

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kickdown

Kickdown (kickdown) – what is it and what is needed?

Probably every motorist familiar with the situation when on the road ahead of you lagging truck and an opposite fairly heavy traffic and overtaking need to give the car accelerated sharply to quickly perform the maneuver and get back to your lane.

In a car with a manual transmission for this we switch to a lower gear to increase the dynamics of the engine, which is impossible on the 4th and especially 5th gear. In automatic transmission kickdown for this is – as soon as we have dramatically push the pedal to the floor, automatic downshifts, which allows to give the car the maximum acceleration. After releasing the gas pedal automatic transmission returns to normal operation.

In early designs for inclusion kickdown is a button located under the gas pedal (in the photo below it is marked with a red arrow).

Now everything makes clever electronics. Manufacturers recommend periodically use a kick down (if possible at least once a day), so that the valve is responsible for his work, not sticky and not out of order.

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cabriolet

Convertible – body type, without the hardtop, which zamenet soft folding awning. Basically created based on a coupe or hatchback.

Convertible-Hardtop (“hardtop” in translation from English – “hardtop”) – passenger car body with a removable hardtop. Although the title and the body is the word convertible, but he only gets a gig at the removed roof.

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clearance

What is the ground clearance of the car?

Clearance (another name – clearance) car – the distance between the road surface and the lowest part of the vehicle (excluding the wheels). Simply put, this is the maximum height of the stone, which you do not hook the bottom.

SUVs often are the lowest part of the axle housings or transfer case, in the automobile – resonator (middle muffler).

The smaller the clearance, the car is more stable at high speeds. For sports cars typical small clearance. SUV – high.

Than “above” car, ie more clearance (clearance), the better patency of the car, but it lost its stability at high speeds. Maybe that’s why lately become very popular so called welfare “hardwood SUVs” – a compromise between the city and off-road.

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demultiplikator

Demultiplikator in car design – additional transmission, installed after the main (usually in the same block with it), designed to increase the amount of lower gears. Usually demultiplikator have two stages (transmission) – and direct downshift. The gear ratio is selected downshift quite large, so that when you turn it on all the transmission gear ratios are shifted into the range below the first transfer of the main box. This, incidentally, is functional difference shift stage of the divider. Function can perform additional shift transfer case.

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