2002 Acura Nsx on 2040-cars

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2020 Acura NSX Suspension Deep Dive

The Acura NSX has been a special car as long as I’ve been in the business. The first one came out in 1990, the same year I started my career in automotive engineering. I vividly remember driving one briefly back then when we brought one in for benchmarking. I'd drive it again 22 years later when my previous employer bought a used 1991 example for a long-term test. Reader interest was sky-high and the car was still gorgeous, but the march of time and automotive engineering had clearly left it behind. Then, in 2016, a second-generation NSX emerged, and it was packed with bleeding-edge thinking. It has a 3.5-liter twin-turbo V6, but this new NSX is a hybrid with an electric motor-generator sandwiched between the engine and its nine-speed DCT transmission. Two more electric motors – one for each wheel – power the front axle. There they can add traction, regenerate electricity under braking and dole out hyper-accurate levels of torque vectoring. The carÂ’s tire package was changed from Continental SportContact 5 to SportContact 6 tires in 2019, and numerous suspension re-tuning tweaks came along with them. The result is a lively and well-balanced car that is relentless when driven hard and a pussycat around town. LetÂ’s see what theyÂ’ve got going on under there.   At first glance the 2020 Acura NSX appears to have dual wishbone front suspension. But we canÂ’t tell for sure because that big two-piece brake rotor is in the way. The coil-over shock looks obvious, but a few odd details are apparent even from here.   This view also seems to indicate double wishbone suspension. But the pivot axis (green arrow) between the upper and lower ball joints looks wrong – itÂ’s far too vertical. WeÂ’re missing something. But I would be remiss if I failed to point out a few other things before we moved on. For one, the front drive axle confirms this to be an all-wheel-drive machine. Second, the forged aluminum damper mounting fork (yellow) that envelops the axle is mounted to the lower arm about 75% out from the armÂ’s inner pivot. The spring and damper motion ratio would be 0.75-to-1 relative to wheel movement, with a tiny reduction due to its lean angle. Lastly, just look at the huge cast aluminum upright (white). Beautiful. Normally these are called hub carriers or steering knuckles, and I use the terms interchangeably. But the motorsports-derived term upright is normally applied when the piece is tall and, well, upright like this one.   This explains everything.

J.D. Power study sees new car dependability problems increase for first time since 1998

For the first time since 1998, J.D. Power and Associates says its data shows that the average number of problems per 100 cars has increased. The finding is the result of the firm's much-touted annual Vehicle Dependability Study, which charts incidents of problems in new vehicle purchases over three years from 41,000 respondents.
Looking at first-owner cars from the 2011 model year, the study found an average of 133 problems per 100 cars (PP100, for short), up 6 percent from 126 PP100 in last year's study, which covered 2010 model-year vehicles. Disturbingly, the bulk of the increase is being attributed to engine and transmission problems, with a 6 PP100 boost.
Interestingly, JDP notes that "the decline in quality is particularly acute for vehicles with four-cylinder engines, where problem levels increase by nearly 10 PP100." Its findings also noticed that large diesel engines also tended to be more problematic than most five- and six-cylinder engines.

Mid-engine Honda sports car surfaces in EU patent drawings

Based on new patent drawings, Honda clearly isn't done with sports cars. The design you see above was registered and published by the European Union Intellectual Property Office (EUIPO) and was first reported by AutoGuide. The drawings show a rakish, angular sports car design that is very clearly mid-engine. It could almost pass for a Lamborghini. But the name on the design is Honda Motor Company, and aside from the name, it bares a strikingly similar appearance to a mid-engine design found in a Honda patent two years ago. In fact, the only major difference between this car and the older one (seen below) is the lack of a windshield and top. The shape of the lights and the grille, as well as the front fender vent and character lines running from it, are reminiscent of the S660 kei roadster for Japan. The large, angular intakes look more related to the Acura NSX, though. View 6 Photos Unlike the previous patent renderings of the car, this one has an interior, and the inclusion of it may be why the top and windshield are absent. The interior also leads us to believe that this design is for an upcoming concept. The steering wheel is a small, rectangular piece similar to what you would find in an F1 car or Indy car. The seats also look like thin buckets designed to be as sporty and light as possible. A production version would probably have a bit more cushioning and a round wheel. It does look like there is a pushbutton transmission setup in the center console like current Acuras, though. So what does this mean? Honda is clearly still working on this design, and based on some of the more radical design choices for the interior, we're likely looking at a concept car that will show up in the next couple of years. Whether a concept will lead to a production car is tough to say. There's definitely room in Honda's global sports car roster between the S660 and NSX for something in between, and Honda has reported that it's getting pressure from dealers for sporty cars. The exterior design isn't so extreme it couldn't be tweaked for production, either. There have also been rumors that Honda is preparing a mid-engine hybrid sports car with the Type R's turbocharged four-cylinder. Honda also holds a trademark for the name "ZSX," which fits the naming scheme of the NSX and old RSX, but at least in Europe, Honda has held the trademark since 2009. We'll just have to wait and see what Honda does.