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04-30-2011, 05:58 PM | #155 | ||
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Getting way OT for sure but all relevant in the total understanding... Cheers.
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04-30-2011, 10:58 PM | #156 |
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By the way running the 1M and M3 in this model for the N'Ring
Car, Predicted, Actual, Deviation, Standard Deviation 1M, 8:17, 8:12, -5, -0.5 M3, 8:09, 8:05, -4, -0.4 The 1M "over peforms" beyond the model only by one half of a standard deviation. And only 1/10 of a standard deviation more than the amount the M3 over performs. I would definitely expect the difference between the two to increase on a tighter and slower track, i.e. the 1M will be more of an over performer than the M3.
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05-01-2011, 04:56 AM | #157 | |
missing two turbos.
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Swamp2, thanks for the data. If I have time, I plan on verifying the data and adding more vehicles to see how far R2 value travels to 1. Also, I plan on making a Tsukuba track regression analysis, it would be very interesting to see such similar result, but much greater variability(at least for those who can actually analyze regression, instead of just seeing the line and thinking "oh its true").
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But yes, I definitely enjoy educational debates. I knew swamp knows what he is talking about, so I knew if I argued with him back, we would come out with something useful. Leave the childish debates to kids, this is a BMW forum. People should be generally more educated in this income range. I can also make a regression on this also, just takes too much time.
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05-01-2011, 04:25 PM | #159 | |||
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@lux: If I recall correctly most of the values for the N'Ring regression were Sportauto times. That eliminates the driver variable. Which will obviously contribute to a better R^2. Larger R^2 variations will obviously result from less consistent data (i.e. many different drivers).
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05-02-2011, 04:42 AM | #160 | |
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Even though crank hp is much more useful and meaningful than crank torque the statement that "in any given gear maximum acceleration will occur at maximum torque" is still quite true. It does not need to distinguish between maximum wheel torque and maximum engine torque because they are the same (less a pretty minor correction for tire and aero losses)! One just needs to constantly remind themselves that most race engines operate nearly continually in an rpm range way above peak engine torque. Why - to maximize wheel torque which is pretty much equivalent to maximizing power. On the flip side those who prefer a relaxed or even "lazy" driving style (i.e. I want the acceleration without down shifting) a higher torque, lower power and lower redline motor philosophy will feel like the better car for that preference. Torque is important for heavy equipment, towing, 0-60 and "lazy" drivers, hp is important for everything else! P.S. My longish post this morning about these tire and aero corrections I mention above is here.
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05-02-2011, 10:28 AM | #161 |
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I would be interested in the CF mirror caps but your price is pretty high. Marenello BMW has them on sale for around 475 tax. Maybe we can work out a deal if you are willing to let them go for less, if so PM me and we can go from there.
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05-10-2011, 01:30 AM | #162 |
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1 series M Coupe beats an M3 around Hockenheim circuit
http://www.caradvice.com.au/116579/b...nd-hockenheim/
quote: "The little 1 M Coupe not only beats the M3′s lap time around the famous Formula One circuit, it also beats the BMW E60 M5 V10 which has previously clocked 1:16.5, and the BMW M6 which has clocked 1:14.4. The only M car it can’t match around the circuit is the BMW E46 M3 CSL, which has posted a lap time of 1:13.5." |
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05-10-2011, 01:42 AM | #163 |
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Damn, shouldve waited to get a 1M...
Just gonna have to get a s1000rr instead. miiipilot
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