Eventually your life will depend on being able to stop in a short distance. So when I see a vehicle which seems to break the laws of physics I want to know why. The Devel which is a one off with 5000 horse power has just broke the 0 to 400 to 0 records. This is not about the power it is about the traction. Ordinary tires will not let you accelerate or deaccelerate at more than one G. That is 0 to 60 in about 2.9 seconds. Of course when you are breaking the wind does most of the work. The Devel averaged 4.4 G's during breaking. They used slow motion during breaking so I can't be very accurate. It looks like the car was pulling 4 G's from 400 to 300 kph and 6 G's from 300 to 200 kph. 6 G's are brutal and will make most people pass out. But these were negative G's which are even worse. Engineers call this variable acceleration Jerk. Generally car makers will use a wing to give a car more down force. The car does not have a wing and a wing would have given greater deacceleration from 400 to 300 than 300 to 200.
zerodish
Off topic,but just saw a "meme" by Carol Shelby.."There is no such thing as too much horsepower,just not enough traction"..seems appropiate.
I cant imagine that... I had 75 Corvette way back and I still remember on hard brakes you could feel the blood rush and push against your face and eyes.
That and a quarter million a year for the standby oncall mechanic, to do the specialty tuneups and maintenance. Probably has a 10 hour maintenance factor.
I don’t believe it. All the dust on the road , would have been like stopping on ice. 😐
Dusty pavement has no traction.
Dusty pavement has no traction.
The Devel reminds me of a 1:1 magnetic slot car. I have to wonder if the car has electro-magnets that cling to the track/road that they ran this thing on, which maybe was upgraded with thicker steel dowel pavement reinforcements. It's the only way I can see it getting any kind of traction.
Its not the only car, street legal or otherwise, that has a par 3 second 0-60 time. There are several.
And if the tire structure can withstand the acceleration, they will also handle the deceleration.
And if the tire structure can withstand the acceleration, they will also handle the deceleration.
We aren't talking 0-60 here, we are talking 0-400-0 Km/h in just 14.48 seconds. That's 0-249-0 mph.
True.
Top fuel run upper 200's in under 5 seconds. Several over 300. Yes, they use chutes to slow down but chutes weigh less than the braking system the Devel uses.
Add a couple thousand hp more into the Devel, an adequate braking system and a few more seconds, you have the Devels record.
All it takes is $$.
I'm not belittling what the Devel can do. It has a record for a reason.
Top fuel run upper 200's in under 5 seconds. Several over 300. Yes, they use chutes to slow down but chutes weigh less than the braking system the Devel uses.
Add a couple thousand hp more into the Devel, an adequate braking system and a few more seconds, you have the Devels record.
All it takes is $$.
I'm not belittling what the Devel can do. It has a record for a reason.
If it had a wing, it would probably be unable to hit that top end speed.
Might be cool to have a wing that can be deployed by the computers like the little spoilers that some cars use as they hit a given speed, but for deceleration, like dive brakes on a plane.
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