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Author SMRC - Saloon car racing
AndyCorsaSport
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Registered: 12th Feb 06
Location: Horsforth, West Yorkshire
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9th Oct 11 at 19:08   View User's Profile U2U Member Reply With Quote
Seen that yellow Leon at a few track days/race days now. Tis a quick thing!! Left hooker too iirc.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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9th Oct 11 at 19:11   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by SXI - Matt
On there way to you now

[Edited on 09-10-2011 by SXI - Matt]


Got them

Dava - dunno.... dunno. My car might be better suited (in a lower class)

Adam - yup - it does get cleaned (sometimes) but it was pissing with rain in the morning, she's been offroading etc... and the rear soots up as it was overfueling like a mofo
AK
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Location: Aberdeen City
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10th Oct 11 at 04:06   View User's Profile U2U Member Reply With Quote
Results -

Scottish Saloon & Sportscar Championship
Qualy - http://www.mylaps.com/results/showrun.jsp?id=2106414

Race 1 - http://www.mylaps.com/results/showrun.jsp?id=2106416
Race 2 - http://www.mylaps.com/results/showrun.jsp?id=2106415
AK
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Location: Aberdeen City
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10th Oct 11 at 04:07   View User's Profile U2U Member Reply With Quote


AK
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Location: Aberdeen City
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10th Oct 11 at 04:08   View User's Profile U2U Member Reply With Quote
and a vid of the flames etc - http://www.youtube.com/watch?v=Ljh_6l2upeg&hd=1

Fee's In Car of race one.... and jumped start

http://www.youtube.com/watch?v=etPF4-18ZdQ
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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10th Oct 11 at 06:30   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by AMD


pics,videos are still uploading






http://www.flickr.com/photos/42427406@N05/sets/72157627856622220/
antnee
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Registered: 30th Dec 07
Location: Cov Drives: Clio 197
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10th Oct 11 at 09:49   View User's Profile U2U Member Reply With Quote
Looking good, how did she find the experience compared to TA?

That Leon is a SuperCopa car, so built by Seat in that spec (chassis wise anyway) in the factory in Spain by SeatSport. Full cage, different bodywork, etc
AK
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Location: Aberdeen City
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10th Oct 11 at 10:29   View User's Profile U2U Member Reply With Quote
She seemed quite nervous at first but by the 2nd race seemed to be getting in amongst the action.

She needs to be more commited to overtakes etc - i.e I think she is too used to trackday etiquite

He best lap time was about 3 secs slower than what she can do..... but its a good result all round and got it out the way.

Must have been pretty wild in that first race greasy wet track, very RWD biased gtr and a lot of torque some big moments in that vid. The slide exiting clarks was a bit :O

[Edited on 10-10-2011 by AK]
antnee
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Registered: 30th Dec 07
Location: Cov Drives: Clio 197
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10th Oct 11 at 10:42   View User's Profile U2U Member Reply With Quote
I think the whole overtaking part is a massive thing to learn, more so from doing so many trackdays and TA
AK
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10th Oct 11 at 10:51   View User's Profile U2U Member Reply With Quote
trying to tame the rear end was losing a lot of time too... she had the straight line speed but couldnt use it to full advantage because she was slow out of the hairpin!
AK
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10th Oct 11 at 18:37   View User's Profile U2U Member Reply With Quote
race 2 footage

http://www.youtube.com/watch?v=Yj-jT9otQUc
AndyCorsaSport
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Location: Horsforth, West Yorkshire
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10th Oct 11 at 18:58   View User's Profile U2U Member Reply With Quote
Id love a passenger lap
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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10th Oct 11 at 19:11   View User's Profile U2U Member Reply With Quote
That looks like a right hoot, twitchy as hell
AK
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11th Oct 11 at 03:30   View User's Profile U2U Member Reply With Quote
yup - so that goes to prove the intenets theory of 4wd cars that 'drive themselves' is shiiite
Mike GSi
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Registered: 3rd Jan 07
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11th Oct 11 at 07:56   View User's Profile U2U Member Reply With Quote
My mates Evo was the same, even in a straight line the rear would twitch. Its all about the setup imo.
AK
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11th Oct 11 at 08:02   View User's Profile U2U Member Reply With Quote
the setup of what?

the 4wd system or susp/geo? I think our susp/geo isnt a million miles away - the car is pretty stable everywhere else on track apart from slow speed corner exits. The race 1 is just Fee being a bit crazy in my opinion Soaking wet and she's using kerbs flat out in 2nd/3rd

I think its the rear diff in our GTR thats making it very tail happy - paired with worn clutch plates in the transfer box.

GTR is AWD, RWD till it needs 4wd (on straights as standard)
AK
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11th Oct 11 at 08:03   View User's Profile U2U Member Reply With Quote
I also thought EVo's were actaully more FWD biased ?!?!
Mike GSi
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11th Oct 11 at 08:11   View User's Profile U2U Member Reply With Quote
All of it tbh, suspension, transmition, tyres. A bloke i know that races was saying how for different tracks he uses tyres with different amount of wear on the rear to the front, also the pressures etc. He says his car performs best with tyres that are close to worn out on the rear but brand new on the front. In the dry obviously.

I thought Evo's were more front too tbh, maybe the yaw control was buggered.
Mike GSi
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Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
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11th Oct 11 at 08:13   View User's Profile U2U Member Reply With Quote
Are the wheels on the skyline wider rears?
AK
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Location: Aberdeen City
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11th Oct 11 at 08:20   View User's Profile U2U Member Reply With Quote
yup - i'm aware that tyre pressure etc can play a big part.

The GTR was running 9" wheels (255 section) all round. The rear track is 25mm wider each side (50mm total) - but this isnt new for this year so i'm not going to consider it a factor in the handling problem.

Diff.... 90% sure its the cause.
AK
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11th Oct 11 at 08:21   View User's Profile U2U Member Reply With Quote
that might sound a bit arsey but its not meant to be (just incase the CS goons take offence).... your pointing out fine tuning things.... this is a very clear/big issue

Wild oversteer on slow speed tight corner exits

[Edited on 11-10-2011 by AK]
Mike GSi
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11th Oct 11 at 08:34   View User's Profile U2U Member Reply With Quote
No offence taken, i wasnt trying to tell your you're doing something wrong as you say, i would say its the diff, there's surely only a certain amount that the front can do to recover? I dont know how it works on the skyline. Does it add more power to the front the more the rear slips or does it just detect some slip then add x amount to the front? Can it be adjusted?
AK
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11th Oct 11 at 10:09   View User's Profile U2U Member Reply With Quote
as standard an R32/33/34 with ATTESA (pro) will act like a RWD car on corners and AWD when losing traction on the straights.

The GTRs have G Sensors (3 accelerometers) to detect sideways, forwards and backwards movement. As standard the car reduces the torque to front when its lost traction and cornering It increases power to the front when traction is lost and going in a straight line. VERY RWD biased.... thats why i'm always sniggering at folk when they they GTR's drive themselves!

We have added a torque split contoller to trick the ATTESA control unit into thinking its going straight when cornering

If the car was RWD only (i.e the 4wd wasnt working) she wouldnt be able to get up the straights like a scalded cat Straight line that car has brillant traction
AK
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Location: Aberdeen City
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11th Oct 11 at 10:11   View User's Profile U2U Member Reply With Quote
... it just feels like the rear diff is locking the rear axle waaaay to early and causing massive oversteer
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
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11th Oct 11 at 13:52   View User's Profile U2U Member Reply With Quote
Both the scoobys I seen sufferd massive understeer coming out the hairpin. Are you planning in racing it next year if so what class would you fit into?

[Edited on 11-10-2011 by cunningham]

[Edited on 11-10-2011 by cunningham]

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