Koenigsegg CCR goes 388 km/h!

modifica · 3 Mar 2005, 23:42 (Ref:1241788)

I read on Koenigsegg's official website http://www.koenigsegg.com/ that on February 28th they took a standard CCR car and took it around the Nardo test track, and it was confirmed that it went 388 km/h, or 241.09 mph. It said it broke the McLaren F1's record of 386 km/h, which was set at a VW test track. I know many people on this forum have seen the video of Andy Wallace driving the Mclaren F1 on that VW test track, and saying 391 km/h at the end of the run. Now to my calculations, isn't 391 km/h, or 242.96 mph, faster than 388 km/h? Did Koenigsegg get their speed numbers wrong?

flor · 4 Mar 2005, 00:04 (Ref:1241806)

doesnt the Dauer 962 street car reach 400+?

modifica · 4 Mar 2005, 00:28 (Ref:1241825)

Didn't that have turbo with the engine?

gwyllion · 4 Mar 2005, 00:33 (Ref:1241832)

The Bugatti Veyron (production starts latter this year) should do more than 400 km/u.

modifica · 4 Mar 2005, 02:18 (Ref:1241869)

So does anybody have an answer to this weird problem?

paul-collins · 4 Mar 2005, 03:05 (Ref:1241901)

Quote:

Originally Posted by modifica

I read on Koenigsegg's official website http://www.koenigsegg.com/ that on February 28th they took a standard CCR car and took it around the Nardo test track, and it was confirmed that it went 388 km/h, or 241.09 mph. It said it broke the McLaren F1's record of 386 km/h, which was set at a VW test track. I know many people on this forum have seen the video of Andy Wallace driving the Mclaren F1 on that VW test track, and saying 391 km/h at the end of the run. Now to my calculations, isn't 391 km/h, or 242.96 mph, faster than 388 km/h? Did Koenigsegg get their speed numbers wrong?

According to dsc, "Andy Wallace read out the speeds over the radio seven years ago, and his final figure was 391 kph – but that was (presumably) not 100% accurate." 240.14 mph was the "officially confirmed" McLaren speed.

Fab · 4 Mar 2005, 04:34 (Ref:1241947)

For Sportscars, the record is still to WM, with 412 km/h on an motorway (lately mentionned on the forum), and 405 km/h in the Hunaudières straight...

modifica · 4 Mar 2005, 04:50 (Ref:1241951)

How do you know it was not 100% accurate?

im8457 · 4 Mar 2005, 07:27 (Ref:1242031)

Anyone know what the Saleen S7 turbo is suppose to do?

ScuderiaV8 · 4 Mar 2005, 08:28 (Ref:1242070)

Quote:

Originally Posted by modifica

I read on Koenigsegg's official website http://www.koenigsegg.com/ that on February 28th they took a standard CCR car and took it around the Nardo test track, and it was confirmed that it went 388 km/h, or 241.09 mph. It said it broke the McLaren F1's record of 386 km/h, which was set at a VW test track. I know many people on this forum have seen the video of Andy Wallace driving the Mclaren F1 on that VW test track, and saying 391 km/h at the end of the run. Now to my calculations, isn't 391 km/h, or 242.96 mph, faster than 388 km/h? Did Koenigsegg get their speed numbers wrong?

Driving on a banked circular track exerts more friction on the tyres, so it is not possible to go as fast as on a flat straight track. Therefore the Koenigsegg CCR would do more than 388km/h on a straight track and be faster than the McLaren F1, although I don't know the conversion ratio from a banked to a flat track.

Javi · 4 Mar 2005, 08:34 (Ref:1242078)

I work In car homologation and we homologated that car. (I personally did the brakes, heating... ) That car is homologated with a maximum speed of 390 Km/h, and needed a special letter from Michelin saying that their tyres standed that speed. Usually the speedometer gives a 4-5 % more speed than real, that explains Andy Wallace claim. Nardo´s radius is so big that acts as a straight line almost. If you remember VW speed record over 24 hrs, that was done at Nardo

TerryC · 4 Mar 2005, 08:41 (Ref:1242083)

Quote:

Originally Posted by ScuderiaV8

Driving on a banked circular track exerts more friction on the tyres, so it is not possible to go as fast as on a flat straight track. Therefore the Koenigsegg CCR would do more than 388km/h on a straight track and be faster than the McLaren F1, although I don't know the conversion ratio from a banked to a flat track.

I second this too. A bit OT, who would love to take their road car and have a spin at Nardo? I would...

Mike_Wooshy · 4 Mar 2005, 08:49 (Ref:1242091)

I throught The Mclaren f1 Did a speed record with Tiff Needle(sp?) at Milbrook ???

cybersdorf · 4 Mar 2005, 09:53 (Ref:1242152)

A car's theoretical Vmax doesn't count. The record is for speed over a certain distance, so the thing actualyl has to achieve that speed, and hold it for a while. As for AWOL and the McLaren, well that wasn't an official record attempt so... - sorry!

**PascaLM** · 4 Mar 2005, 16:35 (Ref:1242448)

Quote:

Originally Posted by Fab

For Sportscars, the record is still to WM, with 412 km/h on an motorway (lately mentionned on the forum), and 405 km/h in the Hunaudières straight...

A car is faster on a banking because it needs less wing down force to maintain its trajectory.
But a speed record on a straight line needs more down force and therefore, far much power ; (900hp, more ?)

Spiteful · 5 Mar 2005, 02:28 (Ref:1242834)

donnow
doesn't the lateral force excerted on the cars on a banked circuit like nardo offset the (down)force perpendicular to the road surface
also I think usually these cars don't generate much lift (if any) so that it becomes problematic on a straight line
not sure though, a little drunk right now

would that be some kind of psychological problem, visiting sportscar forums after you've gone out

Rhino · 17 Mar 2005, 22:45 (Ref:1254661)

Quote:

Originally Posted by Mike_Wooshy

I throught The Mclaren f1 Did a speed record with Tiff Needle(sp?) at Milbrook ???

I think that was the fastest speed by a road car in England.

**Adam43** · 17 Mar 2005, 23:20 (Ref:1254683)

Quote:

Originally Posted by PascaLM

A car is faster on a banking because it needs less wing down force to maintain its trajectory.
But a speed record on a straight line needs more down force and therefore, far much power ; (900hp, more ?)

If you are travelling in a straight line you don't need any extra downforce.

When travelling around a corner you are changing direction. Downforce or banking helps this. However you are not changing direction when travelling in a straightline so it is irrelevant. A car will ultimately go faster in a straight line than round a corner (banked or otherwise) even if there is enough grip because there is less tyre scrub (friction) when travelling in a straight line.

Nardo's conversion to a straight line is small, but still exists.

These are all very impressive speeds, whatever

Rick · 18 Mar 2005, 03:33 (Ref:1254818)

The latest Motor magazine in Oz has a story about all this - Don't have it in front of me but I think the details were the Koni now holds the "road registered" record - the Mac still has the "production car " (unmodified) record. There were a couple of figures for the Mac - the higher was with the catalytic converter removed so this didn't count for the production record. Mr. Koni is going back for a crack at 400. The story said Callaway actually did 400 kph years ago in one of his twin-turbo Vettes, but it didn't have the "official" timing set up.

Silk Cut Jaguar · 18 Mar 2005, 10:52 (Ref:1255088)

It'd be interesting if this sparked off a good old fashioned speed war between a few people.

**PascaLM** · 18 Mar 2005, 15:24 (Ref:1255247)

Quote:

Originally Posted by AdamAshmore

If you are travelling in a straight line you don't need any extra downforce.

I wouldn't try to travel at 300km/h or more, with no aero stabilisation, except at Bonneville on the salt lake !

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