April 29, 2015
Secret of new NSX design
In the early 1980s, equipped with Honda engine, Williams and McLaren F1 racing positive aspect of the game, in 1984, in this context, to create a "Our dreams come true" sports car for the goal of the project group was formally established . Honda's management modified when HP-X project continue to promote its ultimate goal, requiring changes to performance beyond the Ferrari, but higher reliability, lower prices, the original design goal is to reach 328 Ferrari technical level, the project nears completion When the target was changed Ferrari 348 wrx turbocharger, HP-X project has renamed the NS-X (New Sportscar eXperimental).
The passage of time, we have no way of knowing when the Seine in the end what is proposed to adjust the fan Uehara proposal, but by little, preserved video, we have a chance to glimpse the state at the time. A video in which Senna wear casual attire, wearing shoes is very easy, hidden under the surface calm is unmatched technique, these are young people today do not have drivers.
The first generation NSX from September 1990 until the end of December 2005 production, relying on the excellent driving experience won the "EGL Ferrari," the name, it is also the name has such predecessors, so the new model Golf gti 1.8 turbocharger development team saddled with "How continuation of the classic, how to create new miracle," the burden, because the head hanging this "sword of Damocles", so the design team perpetuity, so the design of the road even more intriguing new NSX, today, we will open part of it.
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Toyota Corolla / Ralink hybrid version
At the current Shanghai Auto Show, the new Toyota Corolla / Ralink hybrid version of the car officially unveiled a hybrid version of the model face the front part of the new design, the overall appearance is more movement. New car grille with single horizontal banner shape, the center of Toyota LOGO with blue background. In addition, the shape of the new car's front bumper angular, more fashionable.
In power system part, the two models are equipped with a hybrid system set by the 1.5L Atkinson engine skoda octavia turbocharger and electric motor, and this hybrid system has a maximum power 99 horsepower, the official announcement of 100 km fuel consumption of 4.9L / 100km . Toyota's accomplishments in hybrid systems is not shallow, before the success of the Prius is allowed to walk in front of many vendors.
Currently, hybrid vehicles have been gradually recognized by more domestic consumers, Toyota introduced hybrid models Leon cupra 1.8 turbocharger on the domestic Corolla / Ralink these two best-selling models, is taken for granted.
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April 22, 2015
DSG dual-clutch shifting profile
Direct Shift Gearbox DSG is an abbreviation meaning "direct shift gearbox", is a typical example of VW VW technical references to street racing cars. Golf GTI, A3, A5, Magotan, etc., almost all Volkswagen Group's sports car equipped with DSG dual-clutch gearbox. For this popularity is so high gearbox, you know how many? "Guangzhou Serene" The recent dismantling of the pair of DSG. It is made on the basis of a conventional manual transmission, so there we are not unfamiliar ring gear, but the difference is that the majority of the manual transmission is generally transverse shaft 3 (with reverse shaft), while there are five DSG axis ( even reverse axis), and even the oil pump drive shaft of a calculation, then there are six. Pump is equipped with a DSG transmission with manual shift is different at almost each operation is executed because the former have to be dependent oil pressure to complete.
Unfortunately, this does not involve dismantling the pump, and not allow photographs. Information point of view, the gearbox oil pump structure is similar to a common engine crankshaft oil pump, oil pressure 20bar maximum generated for wet clutch piston compression, but also the supply of lubrication. Driven oil pump shaft and completed it by whom? Engine flywheel. The former will be directly inserted in the flywheel, and launch the same speed. There are simultaneously driven flywheel clutch casing (clutch hub), which is equipped with two sets of wet clutch which, for controlling a set of engagement 1,3,5 gear, called K1; another group is 2,4,6 gear engagement, called K2.
Probably working process shift is this: Suppose gearbox is now walking a file, K1 in the engaged state, also in combination with a gear synchronizer to Beano (differential) output torque. At this time, the second speed gear synchronizer Also in conjunction with the state, but because in the separated state and K2 disconnect the torque transmission engine parts uk. In this case, as long as the separation K1, K2 engaging i.e., can convert from one speed to the second speed, the process time is shorter than the blink. As for who will control K1, K2 bonding and separation, of course, is the gearbox ECU.
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07:33 AM
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History and development direction of the SH-AWD
I believe we have been impressed by the SH-AWD This innovative structure, but this sophisticated SH-AWD compact mechanical structure is imagined how they come out, SH-AWD is actually study the development of three generations after slowly improving over. In 1991, Honda Motor Company has successfully developed a DYC (Direct Yaw Control) direct yaw control system (from the name you can already see its future development trend - a yaw rate as the main indicator of the four-wheel drive system), the set of The system uses a time when it is more fresh multi-plate clutch differential (small series do not deny that time is borrowed from the Mercedes-Benz 4MATIC Acura technology), but because of the four-wheel drive Mitsubishi also developed a similar system AYC, so there is no widely used in the production model billet connecting rods.
Until 1996, DYC system was formally used in the Honda Prelude (Overture) on and named ATTS (Active Torque Transfer System), since a prelude Honda four-wheel drive system. It is worth recalling ATTS was used only in the front axle, rear axle does not apply to. Xiao Bian guess might and layout, efficiency, reliability and hydraulic control systems have not yet developed a splitter device for transverse engine exhaust manifolds related. February 2003 launch of the first-generation MDX is equipped with four-wheel drive system, called VTM-4 (Varible Torque Management AWD System), the evolution of the system is the use of the electromagnetic clutch instead of a hydraulic control unit.
Cancel the hydraulic control unit to avoid disaster oversized layout, leakage and other reasons, was also in line with the development trend of electrical modular, but poor response time and degree of comfortable engagement.
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April 15, 2015
Preliminary version of the 208 GTB TURBO
Ferrari V8 engine can be regarded as one of the last twenty years it is rare enough emotionally naturally aspirated engine. Is high to high-powered masterpiece. However, as a Formula One motor racing hoot 50 years of super car production plant, of course, history has witnessed long reign Speedway turbocharged engine, then, a turbo F1 racing, less than 3000CC row Under the circumstances the amount actually can play a powerful force of nearly 1000, this exciting horsepower machine to no longer exist today. NA advocating people left today, TURBO can only become an era of Bale. The 208 GTB TURBO be introduced again to return to the vision.
V8 Ferrari 308 QV chronicle should start from, and then develop a 328, MONDIAL, 328,348,355,360,430 and other series so fond of each generation model, but what 208 is? Is 2000CC displacement occurs on a V8 engine exhaust manifolds? With today's technology concepts may not nobody will believe it, but it really existed. FERRARI will launch a turbocharged engine? Ferrari is not a loyal supporter of the naturally aspirated it? No, from the 288 GTO to F40, F550 GTO to today have confirmed turbocharged Ferrari body imprint.
The 208 GTB TURBO is one of them. Saying in April 1982, in Turin, Italy, auto show, Ferrari booth in an obscure corner of a table and then the appearance of almost 308 GTB car on display there, it is the 208 GTB TURBO, it is equipped with a code To F106CB F106D engine crankshaft, with its naturally aspirated version of the 206 GTB on the biggest difference is that it mounts up a K26 turbocharger from KKK (Kuhnle, Kopp & Kausche) in the exhaust manifold, turbocharger value is set at 0.6 Bar, at the same time benefit from the time regarded as very advanced BOSCH K Mechanical Fuel oil supply system and is only 7.0: 1 compression ratio, maximum horsepower rpm reached a staggering 216 in 7000, And then using the F106 (3000cc V
naturally aspirated engine 308 GTB only 205, so that time is considered in terms of a very remarkable achievement.
naturally aspirated engine 308 GTB only 205, so that time is considered in terms of a very remarkable achievement.
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Cizeta V16 look
Close-up of the engine compartment, you can see, in fact, consists of two V8 V16 merger, so even there are two throttle. V16 inside the cage designed to be very complete, not too many sci-fi flavor, but every kind of design is very practical. 1988, CIZETA MORODER V16T finally to a complete identity of the car to attend the Geneva Motor Show, and to great acclaim, of course, received a lot of orders, priced at 600,000 dollars for the price does not seem to reduce his popularity, So three years later in 1991, CIZETA begin delivery to the hands of users, to around 1996, CIZETA V16T coilovers discontinued for unknown reasons, was also thought he would become a product of history!
Available at the 2003, a V16 engine, continue to follow the car appeared, called FENICE TTJ SPYDER, as the name suggests, he is a special edition of chlordecone, the power system is sophisticated, output increased to 560 horsepower, top speed is also relatively improved to 330 km, and finally this yellow TTJ whereabouts is not known where. How many cars CIZETA billet connecting rods generation as the author of such a person full of dreams slowly away, but as startlingly ambitious "four jump lights," the people will not forget for a long time!
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April 09, 2015
993 adopts six-cylinder engine
993 still cold with the TV drama typhoon level on the six-cylinder engine, the so-called air-cooled, in fact, opened a motorcycle friends know everything, but unlike the cylinder air-cooled inline-lined and full contact sheet can speed airflow, level for the air-cooled Porsche structure is mainly achieved by forcing hair. M64 series from 964 era started, replace the M30 past era, still continue to use the air-cooled cooling system, the so-called air-cooled, in fact, the use of forced air cooling on the head part, M64 engine Toyota 2.0 turbocharger cylinder head was made small, because you avoid the waterway, while the oil acts as a major part of the cooling medium, and is air-cooled auxiliary character.
However, it should be said that the reason why the Porsche dared to use such a design, it is with high-latitude climate in Germany or Europe concerned, German no air conditioning at home, is believed to have not news, the hottest it twenty or thirty of these degrees Under the climatic conditions, the use of air-assisted cooling, of course, no problem, but if it was subtropical regions it?
It can only rely on German excellent metal processing up. 272 early-type strength, in fact, can only be considered for the purposes of a sports car barely passed, but on the sports car RR layout, it has shown, it is a little darling, is not touted Porsche or something and a only a ton or three thoroughbred sports car, plus there is the total pressure on the wheels of the vehicle E36 camber arms weight distribution layout, torque transfer during acceleration is almost not much is wasted, which is the RR layout or most intoxicating place, just moments during braking and then step on the gas, and to master gravity inertia, gradually re-power is restored to the rear wheels, if not back to working on the Bigfoot body to the oil out of the corners, idle and lose grip could become a nightmare.
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Introduce 993 Birth
993 was born in 1993, discontinued in 1998, the entire model cycle, from 1993 to 1995 is divided into early and late edition version from 1995 to 1998, both in the appearance of size, power settings, suspension settings, etc. has a different, if the power output, the preliminary version of the ordinary for 272 NA (engine code M64 / 05, four-wheel drive version of the M64 / 06), the late edition was 285 (adding VarioRam system M64 / 21, four drive version of M64 / 22). 993 models is not trivial branch structure, in addition to exceptionally late before, the press drive is divided into RR and R4 form two series, each series there hardtop version, chlordecone version and Targa (commonly known as the demolition of the top version) As it is difficult to distinguish between the Carrera S and 4S are two, both of RR or R4 is the hardtop configuration enhanced version 4 cylinder turbocharger, the dynamic performance of late with the 285 version, but the Turbo version of the configuration line.
In addition to ordinary NA largest selling model, the 993's also continue to provide a variety of high-performance version, the turbo version, quasi-racing version for the public to buy. The first is the Turbo version, 3.6-liter turbo-M64 / 60 engine, K16 turbocharger 408 send it to launch a four-wheel drive system, in 1997 added an additional Turbo S, horsepower is to continue to enlarge to 450; and the only rear-wheel drive form The 993 Turbo, is called GT2, engine and Turbo or Turbo S general consensus, but under pure RR layout, best uses, and perhaps the only racetrack. Entire 993 cars, according to official figures released by the approaching 70,000, only more than 964 thousand cars digit growth, as a pure sports car, sold close to 10,000 per year figure is already quite impressive To know strictly speaking, the 911 Skoda 1.8 turbocharger is a two-door two-seater sports car up to three carrier, under no practicality, single gene on a glamorous sport, just let fame PolyOne, is it not worth applauding cheer it?
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April 03, 2015
A3-Type 1H introduce
A3 platform using third-generation Golf in production from 1991 to 1999, codenamed 1H. In addition to this type of generation inherent three and five door, VW for the first time to develop a travel money, specifically for Ford and GM models of the same type of travel. The three-door model only corresponds GTI VR6 models and versions of the US market. At the same time, the use of third-generation Golf platform, VW Golf Cabriolet is carried out a change models, in addition, this generation Golf derived Vento (ie Jetta).
Engine displacement has 1.4L, 1.6L, 1.8L, 2.0L, 1.9L, VW's VR6 2.8L engine also provides. From the previous generation engine technology can be seen, VW gradually towards a new technological era. Golf GTI began to form a comprehensive use of high-performance 16-valve 2.0 displacement engine coilover kits; the third generation platform began to appear "TDI", using direct injection technology has a 1.9 turbo diesel engine, while, VW uses POLO "Formel E" Early type of automated manual gearbox on use. Until 1999 cut-off date, the third generation Golf produced a total of 4.8 million units. In the second year after the publication in 1992, the third generation Golf was named European Car of the Year award.
Large displacement engine equipped with 2.8 VR6 models, with maximum 174 horsepower. To commemorate the 20th anniversary of the birth of Golf, VW launched a special limited edition GTI's, and VR6 coilovers uk is similar, with a 16-inch BBS wheels. Coincides with the first-generation Golf Cabriolet discontinued, VW skip the second-generation platform to launch the third generation Golf directly on the platform kepone money. To combat rampant in the European market from the United States both our wagon, VW introduced the Golf Variant trip paragraph. Yield very little special edition Golf Harlequin Edition, used as an auto tour around the world on display.
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A2-Type 19E view
The second-generation Golf was published in 1983, after 10 years of production of the second generation VW Golf advanced to the A2 platform. Code 19E, the second-generation Golf also offers three, five types. Starting from the second generation Golf, the Golf will be presented each body growing trend, when the second-generation Golf and Polo volume now almost. Total engine configuration 1.4L, 1.6L, 1.8L, 2.0L 16v, 1.8L G60 several species.
In the GTI on the basis of the second generation, improved out of a supercharger equipped with four-wheel drive system version turbocharger suppliers that is limited edition of Golf G60 Limited. Furthermore, in addition to the second-generation Golf derived Corrado Jetta MK-II with two branches, but also derived four-wheel drive version of the special model Golf Syncro, Golf Rally and Golf Country.
Parking up until 1992, the second generation Golf produced a total of 6.3 million units. European local Golf Mk-II still use round light design, while the US and other markets is a square light design. GTI is also divided into two types of three and five, are four-round light design. Equipped with supercharged limited edition Golf G60 Limited, to build on the basis of the GIT MK-II, is the future of high-performance models such as the launch of the R32 prototype adjustable coilover. G60 models equipped with the same supercharged Golf Rally, specifically designed for WRC competition car, the biggest feature is the appearance of side lights and aero.
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