Pirelli's motorsport director Paul Hembery has repeated at Korea that F1's sole tyre suppliers need to have more relevant tyre testing if it is to develop solid and reliable tyres for the 2014 season.
Jersey Tom wrote:Any photos of the tire failures? Just curious.. if they are "punctures" like the other week ("punctures" from "debris" where the tire is still holding all the air! Ha!)
DiResta tyre failure really looked like delamination.
Yeah the entire middle of the tyre did exactly what it did on Hamiltons car, ripped and sheeded loose from the construction of the tyre, and for Di Resta it happend in the final corner and the shredding was pretty much done when he came out on the start/finish straight.
We don't need CFD or a PHD in thermodynamics to figure that the Coanda exhausts are cooking the tyres. Now just enough to make them fail.
Rule making is trying to curb the diffuser for years without success, now the tweaking around it will threaten safety. Will it take an accident for the mess o be sorted up?
We don't need CFD or a PHD in thermodynamics to figure that the Coanda exhausts are cooking the tyres. Now just enough to make them fail.
Rule making is trying to curb the diffuser for years without success, now the tweaking around it will threaten safety. Will it take an accident for the mess o be sorted up?
That is interesting idea, seems like most tyre failures we had this year happen on rears.
Paul Hembrey just said something fail on live tv...
He said that the way the tyres are built this year, they will do this kind of failure instead of deflating, bascially saying that Hamilton and Di Resta would have gotten punctures last year and this year this.
He must be high or something... Cause apparently the tracks have gotten more debris to cause punctures lol
well , nothing new about punctures in F1 , what is new is the delaminations
the reality is that pirelli have changed the steel in the inextensible belt and it is now much more resistant to penetration
this doesn't affect the resistance to cuts in the sidewall [ as in one of massa's punctures ] but whereas in the past cuts in the tread deflated the tyre [ at varying speeds ] now the tyre doesn't deflate but the tread will overheat and delamination follows as night follows day
question is , which is better from a safety point of view ...deflation or delamination ?
of course there is a simple solution .....virtually all the carbon fibre shards which cause this problem come from front wings ; so restrict them to no wider than the inside of the front tyres and get rid of all these small pieces which keep breaking off ; side benefit , cars wouldn't be so affected when following , would improve the racing ; I know that is partly coming next year , but not enough in my view
the alternative of hard tread compounds more resistant to penetration would lead to more boring racing again ..it may be the easy solution but is it what we want ?
Last edited by lebesset on 11 May 2013, 16:30, edited 1 time in total.
to the optimist a glass is half full ; to the pessimist a glass is half empty ; to the F1 engineer the glass is twice as big as it needs to be
Ferrari proved today that you can push 100%. The teams conservative strategies , are a big part of the problem. Alonso pushed hard till the race was won.
“To be able to actually make something is awfully nice”
Bruce McLaren on building his first McLaren racecars, 1970
“I've got to be careful what I say, but possibly to probably Juan would have had a bigger go”
Sir Frank Williams after the 2003 Canadian GP, where Ralf hesitated to pass brother M. Schumacher
I haven't criticised Pirelli, but today was just stupid. A 2.5 to 3.3 stopper yes, a 4 stopper sometimes, but when it becomes a 5 stopper things become to look stupid. The tyres need to last for 2 or 3 laps in Quali at Quali pace, the tyres need to last long enough in the race as well in order for drivers to push to 90% to 95% of race pace as well and not to worry too much.
I think the Pirelli guys have to look at the construction a bit more, the tyre construction may be the main factor now in the tyres, not the compounds. A more robust construction may be the way to go over a softer compound.
As for DRS, id like to see a change in the DRS rules as i think these could help with the tyres as well.
DRS for 600 seconds a race (10 minutes) and 100 seconds in Quali (1 minute 40 seconds) with no need to use stupid zones, however the only gears you can use DRS in is 5th, 6th and 7th. As for two areas of the calendar, the Monaco Tunnel and Eau Rouge as DRS through these areas is unsafe.
ESPImperium wrote:I haven't criticised Pirelli, but today was just stupid. A 2.5 to 3.3 stopper yes, a 4 stopper sometimes, but when it becomes a 5 stopper things become to look stupid. The tyres need to last for 2 or 3 laps in Quali at Quali pace, the tyres need to last long enough in the race as well in order for drivers to push to 90% to 95% of race pace as well and not to worry too much.
I think the Pirelli guys have to look at the construction a bit more, the tyre construction may be the main factor now in the tyres, not the compounds. A more robust construction may be the way to go over a softer compound.
As for DRS, id like to see a change in the DRS rules as i think these could help with the tyres as well.
DRS for 600 seconds a race (10 minutes) and 100 seconds in Quali (1 minute 40 seconds) with no need to use stupid zones, however the only gears you can use DRS in is 5th, 6th and 7th. As for two areas of the calendar, the Monaco Tunnel and Eau Rouge as DRS through these areas is unsafe.
Kimi did a competetive 3 stoppet, rest top did 4, notning wrong there, and especially since Ferrari drove 100% and didnt pussy drive
Pirelli sucks. This is F1. You should be able the drive the crap out of the car every single lap!! It shouldnt be about preserving your tires the best!! Its not endurance racing!
Wait a minute ! Even in endurance racing, the drivers can race. You may have to save the tyre but after 3 or 4 stints (500 km+) only.
Grand Prix racing is where you change your tyres 3 or 4 times (to run 300 km) and take care of the tyres after 3 ou 4 laps. So you may be racing actually 9 or 12 laps every race. Sorry but this is not a F-1 drivers championship it's tyre championshit !
