[DeTomaso] NPC: F1 Tire Failures

John Donahue demongusta at me.com
Wed Jul 3 13:40:27 EDT 2013


Amen

On Jul 3, 2013, at 10:24 AM, "michael at michaelshortt.com" <michaelsavga at gmail.com> wrote:

> Kimi is my fav driver, he should have been a multiple time world champion,
> he was so screwed during his time at McLaren, he developed that bcar for
> the success that followed,
> much the same way that Schumacher did at MB for their success this year.
> 
> I can't stand Diaz ( Alonzo's real name), cry baby, cheater, and stool
> pigeon.
> 
> Michael
> 
> 
> 
> 
> On Wed, Jul 3, 2013 at 1:20 PM, LS <lashdeep at yahoo.com> wrote:
> 
>> I really like Kimi and not just because he can put down some serious booze.
>> 
>> He's shown his incredible skill but the early season pace of the Lotus is
>> gone.
>> 
>> He does need to find a car (Lotus or not) that can perform...
>> 
>> LS
>> 
>> 
>> 
>> 
>> 
>> 
>> central
>> wines-spirits   est 1934
>> 
>> 
>> 625 e street nw
>> 
>> washington, dc 20004
>> 
>> centralwines.com
>> 
>> 
>> facebook.com/CentralLiquors
>> 
>> 
>> 202-737-2800
>> 
>> 
>> 
>> 
>> ________________________________
>> From: John Donahue <demongusta at me.com>
>> To: LS <lashdeep at yahoo.com>
>> Cc: DeTomaso at poca.com
>> Sent: Wednesday, July 3, 2013 12:56 PM
>> Subject: Re: [DeTomaso] NPC: F1 Tire Failures
>> 
>> 
>> Kimi needs a car. He has milked the Lotus. Needs Webber's spot. Or Mazza's.
>> 
>> On Jul 3, 2013, at 9:51 AM, LS <lashdeep at yahoo.com> wrote:
>> 
>>> That was scary to watch last weekend!
>>> 
>>> Not very comforting for a drive to know that his left rear could go at
>> anytime.
>>> 
>>> LS
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> central
>>> wines-spirits   est 1934
>>> 
>>> 
>>> 625 e street nw
>>> 
>>> washington, dc 20004
>>> 
>>> centralwines.com
>>> 
>>> 
>>> facebook.com/CentralLiquors
>>> 
>>> 
>>> 202-737-2800
>>> 
>>> 
>>> 
>>> 
>>> ________________________________
>>> From: "michael at michaelshortt.com" <michaelsavga at gmail.com>
>>> To: "detomaso at poca.com" <detomaso at poca.com>
>>> Sent: Wednesday, July 3, 2013 12:13 PM
>>> Subject: [DeTomaso] NPC: F1 Tire Failures
>>> 
>>> 
>>> Looks like I have to eat crow, who knew ( apparently NOT EVEN THE F1
>> TEAMS,
>>> for the first time is history that the tires were built asymmetrically, (
>>> Left side and Right side specific ), so when I said otherwise, I was
>> wrong,
>>> but not alone.
>>> 
>>> Here's the poop from Autoweek.
>>> 
>>> 
>>> Michael Shortt
>>> 
>>> 
>>> Pirelli releases statement regarding Silverstone tire failures
>>> *Tire supplier says it is not to blame for failures*
>>> By: Adam Cooper on July 2, 2013
>>> 
>>>   -
>>>   <
>> http://www.autoweek.com/apps/pbcs.dll/article?AID=/20130702/F1/130709960&template=XSendMail
>>> 
>>> 
>>> Pirelli has issued the following statement on what happened at
>>> Silverstone<http://www.autoweek.com/article/20130701/F1/130709996> --
>>> and what the company plans to do next. See our previous stories for a
>>> summary.
>>> 
>>> After exhaustive analysis of the tires used at Silverstone, Pirelli has
>>> concluded that the causes of the failures were principally down to a
>>> combination of the following factors:
>>> 
>>> 1) Rear tires that were mounted the wrong way round: in other words, the
>>> right hand tire being placed where the left hand one should be and vice
>>> versa, on the cars that suffered failures. The tires supplied this year
>>> have an asymmetric structure, which means that they are not designed to
>> be
>>> interchangeable. The sidewalls are designed in such a way to deal with
>>> specific loads on the internal and external sides of the tire. So
>> swapping
>>> the tires round has an effect on how they work in certain conditions. In
>>> particular, the external part is designed to cope with the very high
>> loads
>>> that are generated while cornering at a circuit as demanding as
>>> Silverstone, with its rapid left-hand bends and some kerbs that are
>>> particularly aggressive.
>>> 
>>> 2) The use of tire pressures that were excessively low or in any case
>> lower
>>> than those indicated by Pirelli. Under-inflating the tires means that the
>>> tire is subjected to more stressful working conditions.
>>> 
>>> 3) The use of extreme camber angles.
>>> 
>>> 4) Kerbing that was particularly aggressive on fast corners, such as that
>>> on turn four at Silverstone, which was the scene of most of the failures.
>>> Consequently it was the left-rear tires that were affected.
>>> 
>>> The only problems that had come to light before Silverstone were to do
>> with
>>> delamination, which was a completely different phenomenon. To stop these
>>> delaminations Pirelli found a solution by suggesting that the teams use
>> the
>>> tires that were tried out in Canada from Silverstone onwards. When this
>>> proposal was not accepted, Pirelli found another solution through
>>> laboratory testing, with a different bonding process to attach the tread
>> to
>>> the carcass. So the problem of delamination has nothing at all to do with
>>> what was seen in Great Britain.
>>> 
>>> Following the conclusions of this analysis, Pirelli would like to
>> underline
>>> that:
>>> 
>>> 1) Mounting the tires the wrong way round is a practice that was
>>> nonetheless underestimated by everybody: above all Pirelli, which did not
>>> forbid this.
>>> 
>>> 2) In the same way, under-inflation of the tires and extreme camber
>>> settings, over which Pirelli has no control, are choices that can be
>>> dangerous under certain circumstances. Because of this, Pirelli has asked
>>> the FIA for these parameters to be a topic of accurate and future
>>> examinations. (Doesn’t make sense) Pirelli has also asked for compliance
>>> with these rules to be checked by a dedicated delegate.
>>> 
>>> 3) Pirelli would also like to underline that the 2013 tire range does not
>>> compromise driver safety in any way if used in the correct manner, and
>> that
>>> it meets all the safety standards requested by the FIA.
>>> 
>>> The logical conclusion is that it is essential for tires with the
>>> performance and technical sophistication of the 2013 range to be
>> regulated
>>> and carefully controlled by Pirelli itself. In order to ensure the
>> optimal
>>> functioning of the tires, the Italian firm would need real-time data from
>>> the teams regarding fundamental parameters such as pressure, temperature
>>> and camber angles. While waiting for new regulations that would permit
>>> Pirelli access to this data, vital for the development and management of
>>> these state-of-the-art tires, the following measures are proposed for the
>>> forthcoming grands prix, in agreement with the FIA, FOM, the teams and
>> the
>>> drivers:
>>> 
>>> 1) The use of the evolution of the current tire that was tested in Canada
>>> (and proved to be completely reliable) for the German Grand Prix this
>>> weekend. This represents the best match for the technical characteristics
>>> of the Nürburgring circuit. In particular, the rear tires that will be
>> used
>>> at the German Grand Prix, which takes place on July 7, have a Kevlar
>>> construction that replaces the current steel structure and the
>>> re-introduction of the 2012 belt, to ensure maximum stability and
>>> roadholding. Given that these tires are asymmetric as well, it will be
>>> strictly forbidden to swap them round. The front tires, by contrast, will
>>> remain unaltered.
>>> 
>>> 2) From the Hungarian Grand Prix onwards, the introduction of a new range
>>> of tires. The new tires will have a symmetrical structure, designed to
>>> guarantee maximum safety even without access to tire data – which however
>>> is essential for the optimal function of the more sophisticated 2013
>> tires.
>>> The tires that will be used for the Hungarian Grand Prix onwards will
>>> combine the characteristics of the 2012 tires with the performance of the
>>> 2013 compounds. Essentially, the new tires will have a structure,
>>> construction and belt identical to that of 2012, which ensured maximum
>>> performance and safety. The compounds will be the same as those used
>>> throughout 2013, which guaranteed faster lap times and a wider working
>>> range. This new specification, as agreed with the FIA, will be tested
>>> on-track together with the teams and their 2013 cars at Silverstone from
>>> July 17-19 in a session with the race drivers during the Young Driver
>> Test.
>>> These tests will contribute to the definitive development of the new
>> range
>>> of tires, giving teams the opportunity to carry out the appropriate
>> set-up
>>> work on their cars.
>>> 
>>> 
>>> Read more:
>>> http://www.autoweek.com/article/20130702/f1/130709960#ixzz2Y01kYjD8
>>> Follow us: @AutoweekUSA on
>>> Twitter<http://ec.tynt.com/b/rw?id=crYS7cwFer3QPQacn9QLBk&u=AutoweekUSA>
>>> | AutoweekUSA on
>>> Facebook<http://ec.tynt.com/b/rf?id=crYS7cwFer3QPQacn9QLBk&u=AutoweekUSA
>>> 
>>> --
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> Michael L. Shortt
>>> Savannah, Georgia
>>> www.michaelshortt.com
>>> michael at michaelshortt.com
>>> 912-232-9390
>>> 
>>> 
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> 
> 
> -- 
> 
> 
> 
> 
> 
> 
> 
> Michael L. Shortt
> Savannah, Georgia
> www.michaelshortt.com
> michael at michaelshortt.com
> 912-232-9390
> 
> 
> This email is protected by the Electronic Communications Privacy
> Act, 18 U.S.C. Sec. 2510-2521, is confidential and may be legally
> privileged.  If you are not the intended recipient, you are hereby notified
> that any retention, dissemination, distribution or copying of this
> communication is strictly prohibited.  Please reply to the sender that you
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> _______________________________________________
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