Category: Automakers

Security. ENDLESS IN REBRO

2023
Video: Security. ENDLESS IN REBRO
Video: ANTI-SECURITY _ Находка "Осенний Драйв" 10.2005 2023, February
Security. ENDLESS IN REBRO
Security. ENDLESS IN REBRO
Anonim
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From the speakers comes: "Ten seconds left before the collision." Interestingly, in Russia they consider the time before the launch of the accelerating winch, and here - before the collision. Here it is in Gothenburg, one of the most modern Volvo Passive Safety Centers in the world. I like the Swedish approach more. This is more convenient for photo and video shooting - there is no need to take into account the correction for overclocking. Today there is a very difficult crash test: a hefty all-terrain Volvo-XC90 all-terrain vehicle will crash into the board to the brand-new, barely presented to the public coupe-cabriolet "Volvo-S70", the production of which will begin only next year.

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According to statistics, side collisions account for a quarter of all accidents. In 30% of cases the driver’s head is damaged, 33% falls on the body. In this test, the consequences of the impact are expected to be much harder than the average. A taller and heavier (weighing under 2.5 tons) all-terrain vehicle, in my opinion, should simply flatten and roll the defenseless convertible into the floor! In addition, the ram will accelerate to 50 km / h, and the victim will roll at 25 km / h. Because of this, by the way, the machines will start moving at different times.

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The square of the bulletproof glass floor is flooded with spotlights and looks like a boxing ring waiting for boxers. Here the searchlights flash even brighter, an increasing noise is heard, a passenger car rolls directly at me from the surrounding twilight. An orange carcass of an all-terrain vehicle immediately flies out to the right and crashes into a cabriolet with a roar! Volvo S70 flies 5-7 meters away - there it is caught by a soft fence. The off-road vehicle, turning slightly to the left and slowing down, follows after, as if intending to finish off the enemy, but freezes, stopped by a holding cable. Blinding rays go out, bogged down in a cloud of smoke and rice powder - it is filled with airbags to prevent caking. About ten minutes later the “scene” is put in order: the fragments are swept, the spilled liquids are removed, and the cars are enclosed. Finally! Having flown down from the second floor, where the “auditorium” is located behind thick glass, I find myself at a gig.

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One cannot but give credit to the accuracy of the calculation - the blow came right at the door! By the way, although she bent very much, she remained in the aperture - not without reason there were two powerful beams inside, redistributing the impact energy to the racks. Medium, short and thick, located under the skin of the body behind the door and is not visible from the outside. But she, perhaps, had the hardest time. Almost without bending, she directed the energy down to the massive crossbar.

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The main problem of open cars, as you know, the low rigidity of the body, not closed by a rigid roof. Therefore, when an ordinary car is turned into a convertible, the bodywork is reinforced with many additional elements. The modern approach is expensive, but also more effective: to design a convertible as a separate model - from scratch. So did the Volvo-C70. Its massive sills, uprights and seven crossbars form a solid spatial structure that is twice (!) Superior in rigidity to the body of a previous generation car. Here it is - reliable protection during a side impact: the internal space was practically not affected.

Many modern cars have inflatable curtains hidden in the roof edges to protect their heads from impact. And how to place them in a convertible? For the new "seventies" have developed curtains hidden in the upper part of the door. They are two-layer and due to the high internal pressure are able to hold the head of the passenger even with the roof folded and the windows lowered.

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Back to the statistics. In accidents, only three out of a hundred cars roll over, but the probability of head damage for passengers is 27%, and for the spine and neck - 36%. In a convertible, these figures will be significantly higher, if you do not take special measures. In Volvo-C70, ROPS (Roll over protection system) is the solution to the problem. The windshield racks made by hydroforming from a heavy-duty three-millimeter steel pipe are able to withstand the double weight of an overturned convertible. And if the passengers are in the back seats? Behind their backs are two solid arcs popping up when capsizing. In addition, unlike conventional airbags, blown away moments after deployment, the Volvo side curtains hold pressure for several seconds, protecting the head and neck, even if the car makes several upheavals.

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