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01-27-2014, 01:41 PM | #45 | |
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But quite why a 60/40 distribution (like an Audi) is better for handling is not obvious to me If there is one thing the Audis aren't getting good reviews on, it has to be their understeer and lack of agile handling... |
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01-27-2014, 01:41 PM | #46 |
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01-27-2014, 01:43 PM | #47 | |
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01-27-2014, 01:47 PM | #48 | |
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01-27-2014, 01:49 PM | #49 | |
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IIRC, swamp is also implying that a 40/60 (front/rear) is optimal, I don't recal he ever stated that front heavy cars handle better... I can't comment on which is the "optimal" weight disrtibution. All I am saying is that rear weight bias makes the car easier to pivot, hence more nimble. |
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01-27-2014, 01:55 PM | #50 |
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Exciting article and responses. I think "no one will be prepared for this engine" means the torque onslaught + gearing + low weight + fast revving attitude.
Something people haven't commented on too much is the concept of a much lighter rotating mass. So far we have significant weight savings in the crankshaft and driveshaft - two usually massive inertial points. If both have been lightened, this engine should respond amazingly given similar tuning. ... On another note, stop with the commenting on "This weight distribution is better". We've seen 40:60 weight distributions (911s) rock the racetrack. We've seen 50:50. We've seen 60:40. We've seen 45:55 (mid-engine). Each has it's own advantages and it depends upon the track and conditions as well. Different weight distributions are better for different things. |
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01-27-2014, 01:58 PM | #51 | |
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Show me such a front weight biased car that rocked the race track against more rear biased cars... |
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01-27-2014, 02:13 PM | #52 | |
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01-27-2014, 02:15 PM | #54 | ||
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01-27-2014, 02:17 PM | #55 | |
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01-27-2014, 02:17 PM | #56 |
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Yeah, I went back and edited.
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01-27-2014, 02:19 PM | #57 | |
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http://f80.bimmerpost.com/forums/sho...6&postcount=18 |
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01-27-2014, 02:20 PM | #58 |
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Engine is an animal with shocking capabilities..... blah blah blah! I don't think it's going to be much different than the 1M engine with a proper tune on it. The torque will be the most fun, but if someone has not driven a 1M with a tune on it then it will be loads of new fun compared to an E9x M3. The day to day driving of the 1M is just overall more fun than a E9x M3. It's the torque that makes you drive with a constant smile.
The only difference that I am hoping for is that the torque is there at all times on the track for the new M3/4. With the 1M it can kind of come on quick and keeps you on your toes. If the torque delivery is slightly smoother, then we have some improvements over a tuned 1M engine. Just my thoughts. At any rate, I'm looking forward to the real life comparison!
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01-27-2014, 02:22 PM | #59 |
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01-27-2014, 02:23 PM | #60 | |
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I'll add that weight distribution is only one factor. You can have a 40/60 (front/rear) weight distribution and still have a horrible handling (and probably dangerous) car. As CanAutM3 mentioned in the last paragraph, the rear-biased car will rotate more easily, but beyond the limit of traction, that rotation can bite you. The trick is in finding the balance between "rotates well" and "wants to swap ends, so watch out". As has been pointed out, the one thing you don't want is front-heavy weight distribution. You're fighting an up-hill battle at that point. Kudos to BMW for working hard at hitting the 50/50 number, which I would consider a minimum acceptable distribution.
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01-27-2014, 02:24 PM | #61 | |
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01-27-2014, 02:25 PM | #62 |
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lets wait and see
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01-27-2014, 02:29 PM | #63 | |
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C'mon, all factors are not equal. I can provide plenty of that. My point was there is more to the equation that simple weight distribution. For example, a vehicle with more of it's mass closer to the lowest, most central point may handle better than a car with simply an equal distribution of weight across both axles. |
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01-27-2014, 02:48 PM | #65 |
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My thoughts exactly, I mean, what's this guys going to say, "meh, the car is 'ok'..." I don't think so broski
All cynicism aside, I'm liking this car more and more I see it in real picts and videos. I bore easily, so I'm ready for something new and shiny...and FAST. |
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