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> Dragon hill climb,, North Carolina
Randal
post Jun 30 2011, 05:25 PM
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http://www.youtube.com/watch?v=kZGkhzEwLuw

Now here is one for the folks back East.

To be honest driving that one at 9 tenths would be hairy.

The guy in the Porsche had two wheels off at one point, but saved it. Also think he won.

Counted 5 offs in the results.

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dlestep
post Aug 11 2011, 07:48 PM
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...you may want to compare it to this.

http://youtu.be/Gu2SCBNlrLo

Even though one notices that the driver is sawing at the wheel, take note that
the center of the hood is kept centered to the road...as in both videos
(powerful rear engine and light front-end)
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stewteral
post Aug 11 2011, 10:01 PM
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QUOTE(dlestep @ Aug 11 2011, 06:48 PM) *

...you may want to compare it to this.

http://youtu.be/Gu2SCBNlrLo

Even though one notices that the driver is sawing at the wheel, take note that
the center of the hood is kept centered to the road...as in both videos
(powerful rear engine and light front-end)


Dave.

This video further makes my point about sawing the wheel: it is RALLY car steering style when the driver is continually trying to feel the grip level. When off pavement the car is always loose and sliding, thus grip is always changing. However, on pavement, every shake of the wheel CHANGES the "chassis set" in the corner and induces slip-angles (breaking loose). The goal is to be as smooth as possible so one can reach the highest corning speed BEFORE the car starts to slide.

No driving instructor in the racing schools I've taken have EVER proposed anything but SMOOTH steering inputs. On pavement, SMOOTH is FAST.

Terry
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dlestep
post Aug 12 2011, 10:42 AM
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QUOTE(stewteral @ Aug 12 2011, 12:01 AM) *

QUOTE(dlestep @ Aug 11 2011, 06:48 PM) *

...you may want to compare it to this.

http://youtu.be/Gu2SCBNlrLo

Even though one notices that the driver is sawing at the wheel, take note that
the center of the hood is kept centered to the road...as in both videos
(powerful rear engine and light front-end)


Dave.

This video further makes my point about sawing the wheel: it is RALLY car steering style when the driver is continually trying to feel the grip level. When off pavement the car is always loose and sliding, thus grip is always changing. However, on pavement, every shake of the wheel CHANGES the "chassis set" in the corner and induces slip-angles (breaking loose). The goal is to be as smooth as possible so one can reach the highest corning speed BEFORE the car starts to slide.

No driving instructor in the racing schools I've taken have EVER proposed anything but SMOOTH steering inputs. On pavement, SMOOTH is FAST.

Terry


yes, but have you ever experienced the pendulum of early 911 throttle-lift over-steer around a corner? You'd be all assholes and elbows trying to keep it off the guard rail and the embankment too. Keepin' it smooth, late apex, sounds too PCA DE to me...
the 914 suffers less...as shown here : http://youtu.be/4xEEhRE09Jw

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Posts in this topic
Randal   Dragon hill climb,   Jun 30 2011, 05:25 PM
scotty b   <_< Not REALLY the Dragon, at least not the ...   Jul 1 2011, 08:14 PM
BKLA   Is it just me or is there a bit too much "saw...   Jul 1 2011, 08:23 PM
jjackson   Is it just me or is there a bit too much "sa...   Jul 2 2011, 05:32 AM
BKLA   Is it just me or is there a bit too much "s...   Jul 2 2011, 07:58 AM
jjackson   [quote name='jjackson' post='1503330' date='Jul 2...   Jul 2 2011, 09:01 AM
Randal   [quote name='jjackson' post='1503330' date='Jul ...   Jul 2 2011, 11:37 AM
stewteral   http://www.youtube.com/watch?v=kZGkhzEwLuw Now h...   Jul 2 2011, 12:05 PM
ottox914   Hard to know about the driving... inside line mi...   Jul 2 2011, 09:20 PM
Brad @ Auto Atlanta   OOOHH YEAH! That video is stomach turning. I...   Jul 13 2011, 05:35 PM
stewteral   [url=http://www.youtube.com/watch?v=kZGkhzEwLuw]h...   Jul 13 2011, 09:47 PM
Cohibra45   I'm sure all of you have driven hard and ...   Jul 22 2011, 07:15 AM
dlestep   ...you may want to compare it to this. http://you...   Aug 11 2011, 07:48 PM
stewteral   ...you may want to compare it to this. http://yo...   Aug 11 2011, 10:01 PM
dlestep   [quote name='dlestep' post='1523232' date='Aug 11...   Aug 12 2011, 10:42 AM
Borderline   I think it's the nature of the beast. On a ra...   Aug 12 2011, 10:10 AM
Randal   I think it's the nature of the beast. On a r...   Aug 12 2011, 12:51 PM
SirAndy   I think the guy was just making minor course corre...   Aug 12 2011, 06:16 PM
Randal   I think the guy was just making minor course corr...   Aug 12 2011, 09:36 PM
ottox914   I think we can all agree that smoother is gooder i...   Aug 12 2011, 09:38 PM
Randal   I think we can all agree that smoother is gooder ...   Aug 13 2011, 08:28 AM


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