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Your video, Crazy Race Car Accident - Stacked Porsche 911s, has made it into the Top 15 New Videos listing. Congratulations on your achievement. For your contribution you have been awarded 1 Power Point.

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Open wheel racing cars are the only real racing cars. Everything else is just pretending.

Shamelessly self *promoting .
Amazing to see the disappointment from Rhys after setting a new record even after loosing 1/2 his power early in the race. I guess the next run should be blistering! I love to see the advancement in electric race cars.

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Beautiful, and *quality *engineering of both the cars and the course... *promote the best looking race cars ever.

This review was better than I expected. BTW - who's the chick doing all that running - looks like that girl from "Felicia's Journey" with Bob Hoskins. BTW - Bob Hoskins is dead, but didn't hang himself like in Felicia's Journey. Can't be Evangaline Lilly cause she's an Elf. Maybe it's Dana Kirkpatrick - the chick race car driver. If it is she should get a line where they're escaping in some starwars space ship where she says: "Can't this thing go any faster? Who made this piece of crap?" Then the ship goes to light speed and she has an orgasm like Meg Ryan in "Sleepless in Sheattle."

There's some debate on the exact phenomenons at play and their extents, but the gist of it is correct, it's not like they have "no idea" how it works. An airfoil moving through air (or any other fluid, same principles work in water as well) generates a higher pressure below it and a lower pressure above it, which results in lift. This can be done even with simple flat plank by using angle of attack, or more effectively if you shape it like a good airfoil. Similarly the wings in racing cars do the same thing but flipped upside down, pushing the car down to the ground (though exploiting underbody aerodynamics can be much more effective if regulations allow it).

The only thing that really bothered me in the video was the insistence on the angle of attack being required for lift. Some planes are so light and have wings that produce so much lift (due to size and shape), that at high speeds they actually need to have negative angle of attack to fly level. If the plane didn't point down a bit it'd just keep climbing higher and higher.

I think that at best this would be applicable only to the very lightest of electric vehicles (something in the "motorcycle" weight class, even half a ton is probably too heavy), and I have my doubts about even those, even when completely disregarding the sideways forces.

With a system like this you do not want more than a few cm (about an inch, at a guess) of suspension travel from when the car is lifted in air to the car at rest (= 1G vertical load), just from the weight of the car compressing the springs. If you have more the springs (which the loops naturally are) have to compress a lot with each revolution, which strains them, heats them, isn't good for rolling resistance, etc.

If we assume a 1000 kg car with a 50/50 weight distribution, to get about 2 cm of suspension travel the spring stiffness would be about comparable to a high level GT racing car. Comparing to high level sports cars, the street going Porsche 911 GT3 RS car, which is regarded as a pretty stiff, racy and track oriented vehicle has something in the region of three times that much travel, a normal commuter car can have way over 10 cm due to soft, comfort oriented springs.

So you can't spring a proper car with just these because it'd require it to be too stiff (also I can foresee shock absorption issues). Another problem is the 360 degree springy nature of it. You really don't want car tyres to move much aside from up and down. These have the problem that when you brake, the forces will try to push the axle forwards in relation to the wheel (i.e. the wheel moves backwards while braking), and the reverse when accelerating. You'd be (possibly) drastically changing the wheelbase of the car during acceleration and braking, which could have catastrophic results for handling in extreme situations. Many if not most cars these days are capable of braking at over 1 G, as long as they have decent tyres, so the front-back movement could be bigger than the up-down movement.

So yeah, doesn't really sound like a workable solution as the ONLY spring system on a car. Having some springiness in the tyres (either in the wheel itself of just having larger profile tyres, like we used to back in the day) can be helpful for comfort and even handling in some cases, but springing the car only via the wheels isn't a good idea, you really want to be able to control the wheels better than that.

No problem.
You could fit a snow plough to the race car and push the camper van off the road

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Notice the interior is all metal, I would bet it's designed to just hose out.
EDIT: that's how off road race cars are designed, and they had a fire hose at short track races to remove mud between heats.
It's always good when your passenger needs to ride the hood for traction, and the driver needs to remove the seatbelt to breathe!
I'll give you my first....
*quality

The Dunning Kruger effect relates to peoples inability to assess their competence at a task they are already doing.

You might correctly assume that you can't speak Japanese or perform surgery, but once you start learning either, you will almost certainly overestimate your own ability early on.

The other thing that's important to note is that it doesn't necessarily relate to stupidity but competence. Stupidity is inherent, competence is learned. As you become more competent with a skill, you are better able to accurately rate your own ability.

In other words, even smart people will tend to overestimate their abilities until they know better.

For example, I've been aware of this phenomenon for nearly a decade. I've never driven a race car. Intellectually, I know that I'm not the next Senna in disguise, but even then I will catch myself looking at F1 or even the muppets on Top Gear and thinking "I could do that".

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