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Old 07-19-2018, 08:22 PM   #15
Move_Over

 
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Woo. My butt puckered for you lol.
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Old 07-20-2018, 06:54 AM   #16
JeffFox
 
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Good observation

Quote:
Originally Posted by Norm Peterson View Post
The video might work better without the "youtu.be/" inside the html [u2b] syntax.

The rear was trying to step out on the immediately preceding left (I'm not familiar with VIR turn numbering). Don't know if that means anything or not, just that it was there.


Norm
Reinforces the idea that an problem on one turn usually shows itself in a leter turn.

OP thanks for posting and letting us all learn from your experience. Good save also!
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Old 07-20-2018, 11:19 AM   #17
Provoste

 
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Yeah, I've seen a few impacts in snake... though usually a bit later, when people hook their rear tires on the curbing in T5/6 on the left. Great save though, very heads up keeping steering input once you were on the grass. Also, agreed with Norm, the rear was unsettled in early T4.

One note, in looking at your throttle trace as the rear started to step... you lifted, which ultimately exacerbated the slide. Adding throttle as you feel the rear begin to slide frequently seems counterintuitive to most students I work with... but the first time you feel the rear bite and take a set after feeling the yaw of the rear rotating... its a huge AH HA moment for most. I'd guess that with PTM Sport 1, the car could have sorted out the slide if you kept your foot in it... though I might be completely wrong, and the slide was gonna happen period. Just my thoughts.

Also, just curious- are you still on those 295/30 Conti's?
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Old 07-20-2018, 07:50 PM   #18
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Quote:
Originally Posted by Provoste View Post
Yeah, I've seen a few impacts in snake... though usually a bit later, when people hook their rear tires on the curbing in T5/6 on the left. Great save though, very heads up keeping steering input once you were on the grass. Also, agreed with Norm, the rear was unsettled in early T4.

One note, in looking at your throttle trace as the rear started to step... you lifted, which ultimately exacerbated the slide. Adding throttle as you feel the rear begin to slide frequently seems counterintuitive to most students I work with... but the first time you feel the rear bite and take a set after feeling the yaw of the rear rotating... its a huge AH HA moment for most. I'd guess that with PTM Sport 1, the car could have sorted out the slide if you kept your foot in it... though I might be completely wrong, and the slide was gonna happen period. Just my thoughts.

Also, just curious- are you still on those 295/30 Conti's?
yes...the Conti's have 9 track days on them and are being replaced for next event. Thanks for the thoughtful explanation.
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