Quote:
Originally Posted by svandamme
I'm not an instructor, I tried to explain why it worked for me but to be fair maybe maybe the explanation sucks, but I do know neutral doesn't work in practice. And that At least my driving isn't wrong I just can't explain what I do and have ben doing right for 20 years, based in trial and error. Been on race tracks and the Porsche instructor saw me drive and said I was doing allright. Which matters more to me then my abilty to explain it  |
Yep, I get it and I think that you're probably a fine driver. I think you understand how it works on a track or the road in practice.
I think the main problem is that you're answering a slightly different question (fastest way through/around a corner or best way on a track to go through a corner or something like that) instead of "is this old statement true? Will coasting work from a physics point of view, or is there something about the physics of coasting in neutral that would make the car handle weird."
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Trailbraking and oversteer etc , sure those work but technically those are workarounds for special circumstances.
Like odd surfaces or special combinations in corners.
In a single turn
a consistance turn angle
even surface
Straight line in
Straight line out
There would be only 1 way to get through it in an ideal way fastest way for a specific car
and it would not involve trail braking with oversteer.
or it would have to be a hairpin bend.. a hand brake turn so to speak
Which well you'de probably want the clutch in for that so your engine does'nt stall along with the wheels stopping
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In many ways, you're probably better suited to say this than I have. I've driven aggressively, but never been on a track. So most of you will stop reading.
I've also read a bunch of books on driving, Bondurant, Frere, Watts, etc..., and I've taken a bunch of physics, so I think between those books, my understanding of the physics discussions, and my aggressive driving (where I actually test theories and what I've read).
Oversteer (sliding rear tires) is probably rarely the best way (it's slow) to come out of a corner. Trail braking to the point that you've got a large slip angle, but you aren't sliding (sliding, leaving black marks, making tire smoke), is probably usually the fastest way into a corner. Then I would assume the fastest way out, most often, is to feed in the throttle to reduce the rear slip angle but increase the front slip angle.
Even if the corner is at the end of a long straight before a short straight (fast in, late apex, slow out) or at the end of a short straight before a long fast straight (slow in, early apex, fast out), I suspect you'd still want to use trail braking with high rear slip angle and then feed the throttle to get higher front slip angle, but the lines and amounts of trail braking and throttle feeding would be different and swap at different points.