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Author Topic: Tyre construction ( bit boring! and pic heavy )  (Read 11946 times)

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TheBoy

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #15 on: 04 October 2012, 20:37:58 »

I can check sport maxx tt and sc5 (generic) tomorrow. Too dark now
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #16 on: 04 October 2012, 20:39:00 »

I can check sport maxx tt and sc5 (generic) tomorrow. Too dark now
Get the torch out ::) ;D
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TheBoy

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #17 on: 04 October 2012, 20:40:23 »

I can check sport maxx tt and sc5 (generic) tomorrow. Too dark now
Get the torch out ::) ;D
Time for chips, and its phishing down
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Radar

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #18 on: 04 October 2012, 21:22:32 »

Hankook Ventus V12 Evo: 235/45 ZR17 97Y Max. Load 730 kgs

Plies Tread: 2 Steel + 2 Rayon + 2 Nylon
Sidewall: 2 Rayon
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VXL V6

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #19 on: 04 October 2012, 22:15:21 »

Toyo Proxes T1R (PXT1R-1) 235 45 17 97Y

Plies - 2 Steel, 1 Rayon, 1 Nylon
Sidewal - 1 Rayon
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #20 on: 05 October 2012, 18:01:09 »

Continental SportContact 3

Front

235 45 R17 97W (Extra Load)
Tread Plies 5: 1 Rayon, 2 Steel, 2 Polymide
Sidewall Ply 1: 1 Rayon

Rear

235 45 ZR17 94Y
Tread Plies 5: 1 Polyester, 2 Steel, 2 Nylon
Sidewall Ply 1: 1Polyester
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cem_devecioglu

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #21 on: 05 October 2012, 19:45:34 »

goodyear eagle f1 asymmetric 2
 
plies sidewall 1 polyester tread 1 polyester + 2 steel 1 polyamide
 

 
Micheline pilot exalto
 
tread plies 1 polyester 2 steel 1 polyamide  sidewall ply 1 polyester
 
 
 
 
Potenza Adrenaline
 
plies tread 1 polyester 2 steel 1 nylon sidewall 1 polyester
 
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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #22 on: 20 December 2012, 14:34:20 »

Hmmm, now where did we get to with this.

Think I've just confused meself tbh. ;D


TB have you got your torch out yet? :)
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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #23 on: 20 December 2012, 14:47:13 »

Spoke to Dunlop technical today. They recomend the RT range, now that the tt has been superceided. RT being an out and out performance tyre, wet braking giving an A rating, and non of this lightweight fuel saving rubbish involved.

Althought they did say they don't officially do a tyre for the omega.  ???
« Last Edit: 20 December 2012, 14:51:00 by chrisgixer »
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TheBoy

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #24 on: 20 December 2012, 17:41:29 »

TB have you got your torch out yet? :)
Yeah, but long since slept since then. Something to do with Raylon and Polyester.
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YZ250

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #25 on: 20 December 2012, 18:37:05 »

Same as Cem on the Goodyear F1's with the standard 235/45/17 and it tramlines worse as tyres wear down.

The following is nothing to do with Omega and is just for reference but our M Sport has :

Front 225/35/19 with Plies tread 2 Steel + 2 Rayon + 1 Nylon, sidewall 2 Rayon.

Rear 255/30/19 Plies tread 1 Rayon + 2 Steel + 2 Nylon, sidewall 2 Rayon

and this has zero tramlining on the same stretch of road but has suspension as hard as a bullet.

This all means a big fat zilch to me.   :-\

Incidentally, I found my Toyo T1R's 'V' pattern fairly good for lack of tramlining until they got quite low on tread.  :y
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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #26 on: 20 December 2012, 18:40:39 »

TB have you got your torch out yet? :)
Yeah, but long since slept since then. Something to do with Raylon and Polyester.
yep, not sure we'll get anywhere with this though. :-\
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TheBoy

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #27 on: 20 December 2012, 19:04:12 »

TB have you got your torch out yet? :)
Yeah, but long since slept since then. Something to do with Raylon and Polyester.
yep, not sure we'll get anywhere with this though. :-\
We know the answer. Dunlop Sport Maxx TT. Except they are being withdrawn :(
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cem_devecioglu

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #28 on: 20 December 2012, 19:13:05 »

Chris, I can say that increasing tire pressure will increase grip , decrease braking distance.. increase cornering ability (lateral-g)..
 
and decrease tramlining upto an extent (actual amounts may differ tyre to tyre)..
 
however, tramlining is a function of tyre/road friction-grip .. so a good quality high grip wide tyre will tramline .. you must be suspicious of grip if it doesnt tramline.. as YZ250 says tyres tend to tramline more when they wear and loose the "channels".. why ? because they losse the straight channels that give direction and  to an extent surface area increase .. :y
 
ps: of course ignoring comfort..
 
pps: I guess actual graph for grip vs pressure would be a U shape upside down so has a limit of course..
« Last Edit: 20 December 2012, 19:15:50 by cem »
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TheBoy

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #29 on: 20 December 2012, 19:18:41 »

Chris, I can say that increasing tire pressure will increase grip , decrease braking distance.. increase cornering ability (lateral-g)..
 
and decrease tramlining upto an extent (actual amounts may differ tyre to tyre)..
 
however, tramlining is a function of tyre/road friction-grip .. so a good quality high grip wide tyre will tramline .. you must be suspicious of grip if it doesnt tramline.. as YZ250 says tyres tend to tramline more when they wear and loose the "channels".. why ? because they losse the straight channels that give direction and  to an extent surface area increase .. :y
 
ps: of course ignoring comfort..
 
pps: I guess actual graph for grip vs pressure would be a U shape upside down so has a limit of course..
Only that theory falls apart with the Dunlops I have on the Silver Bullet.  No tramlining (well, just starting to, but all 4 tyres are now spent), and the grip levels are superb.

The SC5s I have on TBE tramline all over the shop, and the grip is best described as "OK-ish", although other factors are at play on that bloody car.
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