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  #46  
Old 02-14-2011, 05:23 AM
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I would never have taken you for a Mexican.
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  #47  
Old 02-14-2011, 06:19 AM
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When it comes down to this much performance, more than any average buyer of this caliber car can ever use....I'd still opt for the 458....it's just more sexy in every way.
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  #48  
Old 02-14-2011, 06:19 AM
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No, I am far too lazy to be a Mexican.

>8^)
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  #49  
Old 02-14-2011, 07:09 AM
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Quote:
Originally Posted by Dino Scuderia View Post
When it comes down to this much performance, more than any average buyer of this caliber car can ever use....I'd still opt for the 458....it's just more sexy in every way.
in post 27 the car has a strong resemblence with a Modena....
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  #50  
Old 02-14-2011, 07:10 AM
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No, I am far too lazy to be a Mexican.

>8^)
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you should be, they do all the work in California
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  #51  
Old 02-15-2011, 12:46 PM
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One thing is puzzling to me:

How can this thing be almost one second faster to 200kph than the GT2 RS with less horsepower and more weight?

(620 vs 600 PS, 1370 vs 1434 kg)
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  #52  
Old 02-15-2011, 05:42 PM
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Better launch control, grippier tyres, flappier paddle gearbox, shorter diff.. or a different reason. There are many possibilities.
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  #53  
Old 02-16-2011, 01:52 AM
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Aerodynamics also play a big role at speeds over 100 kph. I can almost guarantee the McLaren is far slipperier.

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  #54  
Old 02-16-2011, 05:07 AM
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I haven't seen any published wind drag coefficient numbers for the McLaren 12c....but for reference the 458 is .33 and the Lexus LFA is .31 with 'wings' down.

Standard McLaren F1 is .32 but with wing up it goes to .39 and that wing goes up at 40mph.

So slipperinousosity is a moving target in many ways.
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  #55  
Old 02-16-2011, 06:02 AM
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I've not seen a figure, but they do say it's rather slippery. I guess that means it's precisely average.
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  #56  
Old 02-16-2011, 07:18 AM
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Quote:
Originally Posted by Dino Scuderia View Post
I haven't seen any published wind drag coefficient numbers for the McLaren 12c....but for reference the 458 is .33 and the Lexus LFA is .31 with 'wings' down.

Standard McLaren F1 is .32 but with wing up it goes to .39 and that wing goes up at 40mph.

So slipperinousosity is a moving target in many ways.
McLaren F1's wing(more of a flap) doesn't come up unless its under braking...
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  #57  
Old 02-16-2011, 07:25 AM
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Quote:
Originally Posted by RacingManiac View Post
McLaren F1's wing(more of a flap) doesn't come up unless its under braking...
Indeed it does, my bad.
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  #58  
Old 02-17-2011, 01:15 AM
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Quote:
Originally Posted by RacingManiac View Post
McLaren F1's wing(more of a flap) doesn't come up unless its under braking...
This is not entirely correct.

There is a 3-position switch on the left dash pod which allows the driver some control of the F1's 'Brake Balance Foil'.



In the center position the flap sits flush with the body as is typically seen, ready to deploy automatically under braking as you describe.

Turn the switch to the right of center and the foil raises to a fixed position of about 10 degrees to improve rear downforce under what the owner's manual terms 'difficult driving conditions'.

Rotating the switch to the left from the center position causes the foil to raise to its full extension at approximately 30 degrees, however this is just a test position and is only activated when the vehicle is stationary. It lowers automatically to the flush position when you begin driving with the switch in that position, and then will redeploy to full extension each time the vehicle stops.

Here's a favorite shot of XP4 being driven with the wing in the partially raised position:



Click to enlarge

>8^)
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  #59  
Old 02-17-2011, 06:40 AM
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That I honestly don't know.....good info...
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  #60  
Old 02-24-2011, 12:04 PM
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Someone interested in the same pictures as posted before but then in 4000x2600 ?
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