01-16-2014, 03:53 PM | #141 |
i'm sorry, what?
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you're not supposed to hammer down after apex... Jackie's quote is out of context
you apply a proportionate amount of pressure as you unwind the streering wheel if you go WOT after apex and the back end doesn't step out, then you could have gone in faster
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The Following User Says Thank You to 7thgear For This Useful Post: | wparsons (01-16-2014) |
01-16-2014, 04:04 PM | #142 | |
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Quote:
If you actually follow "Sir Jackie"'s advice, you wouldn't have to back off the gas because you wouldn't have hammered on hard enough to kick the tail out. As for it struggling to put it's modest power down, you really need a physics lesson. If the rear tires have x amount of grip, and you're using 90% of the available grip in a turn then hammer on the gas asking for another 30% more traction you're asking for 20% more grip than the tires have. The only outcome from this is ALWAYS going to be those tires sliding. On a FWD car you'll push, on a RWD car you'll spin. This has NOTHING to do with the suspension design and everything to do with asking the tires to do more than they can. FWIW, everything I said about how to take a turn applies just the same to street driving. If you're kicking the tail out around a corner it's because you got on the gas too hard and too soon for the conditions. If you're turning into a corner already on the gas (and it's not a WOT sweeper) you're doing it wrong. BTW - you should really read what 7thgear is saying closer, he's a driving instructor with a time attack school. He probably knows a thing or two about driving fast.
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The Following User Says Thank You to wparsons For This Useful Post: | Dipstik-sportech (01-16-2014) |
01-16-2014, 04:57 PM | #143 |
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01-16-2014, 06:44 PM | #144 |
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01-16-2014, 06:57 PM | #145 | |
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Street driving exploits entirely different methods than track driving for some pretty obvious reasons. Speed limits are one, you aren't trying to maximize your speed down the straight because it would be illegal, therefore, keeping up your average speed requires you to corner faster. Clipping an apex does not result in maximum cornering speed. You clip the apex on the track to lengthen the two connecting straights so as to achieve higher speeds on those straights. If you aren't allowed to go that fast on the straights you gain nothing by doing so, you actually lose. The only track equivalent is provided by the rev limiter and gearing selected to optimize lap times. This can easily result in different "fastest lines". Underpowered cars like our BRZ suffer if you corner too slowly because the acceleration is fairly leisurely. On a track you actually corner more slowly than you possibly could in order to gain length of straight on which you travel at a higher speed. This is why "in slow out fast" is the mantra, you gain more by accelerating early because you achieve a higher terminal speed for longer. On the street your maximum possible terminal speed is rarely achieved on any straight. To drive quickly on the steel requires a completely different technique. You also may not clip the apex on the wrong side of the road nor may you enter or leave the corner on the wrong side of the road, which severely limits that technique. The other problem on the street is visibility. You rarely corner as quickly as possible because you can't see far enough ahead to be safe. The quickest way to corner on the street is to take the maximum radius line unless your speed on that line exceeds what is permitted or safe. If you are required to drive more slowly than that then following the painted line or the inside road edge as the case may be is the quickest line. A reminder of this is provided by Parabolica at Monza. Watch the racing line there, longest apex in formula one. |
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01-16-2014, 07:21 PM | #146 |
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Man I don't even wanna hear about it. Some of us are stuck in 80F weather and daydream of having snow to play in when everyone else is tucked into their cozy houses! :P
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01-16-2014, 07:24 PM | #147 |
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I can't even. Seriously at a loss for words.
Did you seriously just try to claim that the ideal way around corners on a track is to make the radii as short as possible so the straights are longer? And at the same time, did you claim that clipping the apex makes the turn have a shorter radius??? I'm done trying to reason with you, you clearly have no clue what you're talking about.
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The Following User Says Thank You to wparsons For This Useful Post: | Gords_zenith (01-16-2014) |
01-16-2014, 07:54 PM | #148 |
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You didn't get the reference did u
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01-16-2014, 08:27 PM | #149 |
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Clearly he hasn't seen Days of Thunder...
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01-16-2014, 08:46 PM | #150 |
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Guess not lol
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01-16-2014, 09:33 PM | #151 |
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Please voice all driving issues in regards to handling at the limit in the appropriate sub-forum in order to determine where the issue really lies, whether it's the chassis, suspension setup, or just an ID-10-t error.
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01-16-2014, 10:17 PM | #152 | |
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Have had some problems driving the FR-S in the snow, wax on wax off, and I ll figure it out |
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The Following User Says Thank You to 2014scionfrs For This Useful Post: | hmong337 (01-17-2014) |
01-17-2014, 08:47 AM | #153 | |
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"Apex" is really just slang because only triangles can have one. What is meant by "apex" is the point at the inside of a bend where the car reaches the edge of the road. It isn't really an apex at all. There is no way to change the average radius of a bend. Therefore, the only purpose in clipping the apex is to traverse the bend by entering on a decreasing radius and leaving on an increasing radius. The minimum radius will be taken at the slowest speed. That is basically what it means. "Late apex" implies an early point of minimum radius. The natural apex of a constant radius bend is halfway around, you almost never drive that way on track. On the road you should pretty much always drive that way: treating the halfway point in the bend as the apex you need to "clip". For safe winter driving the quickest way around a bend is a line of constant radius. Of course, this is strictly true if the corner does not need to be braked for, you will always need braking zones but once the speed is reduced to the maximum the corner will allow then the constant radius line will get you through the corner faster than trying to find the apex. In fact, a corner like Parabolica is driven that way. This is because the effective straights entering and leaving the corner are not as important as the corner itself due to its length. In winter conditions you would drive Parabolica on the outside radius if you could. Last edited by Suberman; 01-17-2014 at 09:17 AM. |
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01-17-2014, 08:48 AM | #154 |
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