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uteboy 13-Mar-2009 21:50

A few years ago, in the car world, everyone thought Kumho tyres were junk. Then they sponsored a BMW series with the V70a and now its established as one of the best list 1b motorsport tyres out there and a regular fitment on a lot of mega high performance cars.

It'd be really dumb of a tyre manufacturer to promote a tyre in motorsport if it was junk.

faith-healer 13-Mar-2009 22:21

Quote:

Originally Posted by mjbayley
Taken directly from Pirelli Web Site today 13th March 2009 for Ducati 600 SS

DIABLO
Front
120/60 ZR 17 M/C (55W) TL DIABLO Front - 2.2 BAR

DIABLO
Rear
160/60 ZR 17 M/C (69W) TL DIABLO - 2.5 BAR

Now as I have worked in automotive engineering for over 25 years.
I know that:
H rating on tyres is for max speed (sustained) of 125mph
ZR rating on tyres is for max speed of (sustained) of 181mph

I also know from calculation and where the rev limiter cut in that at Assen, Senetterton, and Donington, AntonyE was puling over 132 mph !

So I ask, why do DD go with H rating not ZR as stated and recommended on the Pirelli web site????

I know it's (prolly) the 'sustained' thing, but I think I know what I would rather be using (the old '1.5' times safety factor), and where does the club stand 'IF' there was ever litigation due to tyre failure ?????????????????

Mark



Don't even go there Mark,

I asked a ligitimate question about "COMPULSORY" Dyno testing and the risk to the club of an engine failure on the Dyno'....and no-one took that seriously either....

....the ACU didn't take " medical support for practice days" seriously until Barry Sheene sued and entry fees sky rocketed for every rider as a result of the claim and the subsequent increase in race insurance.

I would be interested to know just how many DD'ers actually ride at those recommended "ROAD" pressures.

bradders 13-Mar-2009 22:42

where theres a claim, there's blame.......







purposely written the worng way round ;)

Scooter916 13-Mar-2009 22:49

Quote:

Originally Posted by bradders
where theres a claim, there's blame.......



purposely written the worng way round ;)


So you bought a DD bike yet????

Paul James 13-Mar-2009 22:56

Quote:

Originally Posted by Imola Duke
The prize comment has confused me ?
A member of the forum donated some very nice cups for a few awards...
If you care to look you will see all the riders are DSC members!!!


I personally have increased the club funds by convincing freinds on the other
channel to race in DD and I will carry on to do this..........:)

BTW is it ok to have Ducatisti stickers on my DD bike :eek:


I hope you didn't take this comment as "anti Ducatisti" I thought I'd made it quite clear that it wasn't. Apparently somebody was looking to provide brake discs as DD prizes but for some reason (which I am not aware of) stated that these would only be available to Ducatisti forum users riding in our series. It just seemed a bit odd?

There is no issue with people who wish to offer prizes or trophies providing that they observe the basic courtesy of ensuring that the RC of the series are aware of this so that details can be included in the information circulated to all entrants.

I am fully aware that all the riders are DSC members. :rolleyes:

I can't see why you can't run your bike with Ducatisti stickers on it as long as the series stickers are also present.

Neither I or anybody else on the MT of the club have anything whatsoever against the Ducatisti organisation at the risk of sounding repetitive. :) :)

Imola Duke 13-Mar-2009 22:58

Anyone got any decent part worns going cheap ?

Imola Duke 13-Mar-2009 23:02

Quote:

Originally Posted by Paul James
I hope you didn't take this comment as "anti Ducatisti" I thought I'd made it quite clear that it wasn't. Apparently somebody was looking to provide brake discs as DD prizes but for some reason (which I am not aware of) stated that these would only be available to Ducatisti forum users riding in our series. It just seemed a bit odd?

There is no issue with people who wish to offer prizes or trophies providing that they observe the basic courtesy of ensuring that the RC of the series are aware of this so that details can be included in the information circulated to all entrants.

I am fully aware that all the riders are DSC members. :rolleyes:

I can't see why you can't run your bike with Ducatisti stickers on it as long as the series stickers are also present.

Neither I or anybody else on the MT of the club have anything whatsoever against the Ducatisti organisation at the risk of sounding repetitive. :) :)


I'll let the Member who will be donating the disc's comment on that :)

and less of the eye rolling :D

Paul James 13-Mar-2009 23:08

Quote:

Originally Posted by Imola Duke
I'll let the Member who will be donating the disc's comment on that :)

and less of the eye rolling :D


Nothing wrong with a bit of eye rolling :rolleyes: :rolleyes: :frog: :D

I'll look forward to the comments :)

nogaromill998 13-Mar-2009 23:09

Paul, before you quote inaccurately, perhaps you'd be better off asking that member directly what he ACTUALLY said...which was that the prize would be offered to ANYONE in DD, but it would be a discretionary prize aimed solely at real beginners in the sport...and since the majority of those these days seem to come via Ducatisti, it is likely that it would be a Ducatisti member that would gain that prize. But as you are well aware, all DD riders are DSC members, so no discrimination is being applied..whoever wins it will be a DSC member.




Quote:

Originally Posted by Paul James
I hope you didn't take this comment as "anti Ducatisti" I thought I'd made it quite clear that it wasn't. Apparently somebody was looking to provide brake discs as DD prizes but for some reason (which I am not aware of) stated that these would only be available to Ducatisti forum users riding in our series. It just seemed a bit odd?

There is no issue with people who wish to offer prizes or trophies providing that they observe the basic courtesy of ensuring that the RC of the series are aware of this so that details can be included in the information circulated to all entrants.

I am fully aware that all the riders are DSC members. :rolleyes:

I can't see why you can't run your bike with Ducatisti stickers on it as long as the series stickers are also present.

Neither I or anybody else on the MT of the club have anything whatsoever against the Ducatisti organisation at the risk of sounding repetitive. :) :)


Imola Duke 13-Mar-2009 23:14

Last year we did ask via email if it would be ok to give a few cups to riders on the other channel and we got the nod only if we kept it away from the paddock which we did :)
I still didn't win one :mad:
I did win a packet of choc hobnobs for rider of the round at mallory though :)

Paul James 13-Mar-2009 23:19

Quote:

Originally Posted by nogaromill998
Paul, before you quote inaccurately, perhaps you'd be better off asking that member directly what he ACTUALLY said...which was that the prize would be offered to ANYONE in DD, but it would be a discretionary prize aimed solely at real beginners in the sport...and since the majority of those these days seem to come via Ducatisti, it is likely that it would be a Ducatisti member that would gain that prize. But as you are well aware, all DD riders are DSC members, so no discrimination is being applied..whoever wins it will be a DSC member.


I wasn't quoting anybody if you read my post, merely questioning something that I'd heard that sounded odd.

I'm sure the RC will sort it all out with whoever is putting the prizes forward so that all the riders can be properly informed.

You do seem frightfully keen on the capitals in your posts, are you a shouty type by nature? :)

nogaromill998 13-Mar-2009 23:21

Not at all Paul, they are capital letters, not shouting...capital letters may be used to place emphasis on a word, to help avoid a passage being misinterpreted, but its got nothing to do with shouting.

Paul James 13-Mar-2009 23:22

Quote:

Originally Posted by Imola Duke
Last year we did ask via email if it would be ok to give a few cups to riders on the other channel and we got the nod only if we kept it away from the paddock which we did :)
I still didn't win one :mad:
I did win a packet of choc hobnobs for rider of the round at mallory though :)


I can't really see why anybody would want to do that, surely its a DSC series, all riders are DSC members irrespective of what other clubs they belong to so wouldn't it be more in the spirit to be more inclusive of all the riders?

Not really an issue just a question.

Paul James 13-Mar-2009 23:24

Quote:

Originally Posted by nogaromill998
Not at all Paul, they are capital letters, not shouting...capital letters may be used to place emphasis on a word, to help avoid a passage being misinterpreted, but its got nothing to do with shouting.


I think you will find it is considered as shouting in forum useage but if you feel the need to "emphasise" that is of course your prerogative.

Imola Duke 13-Mar-2009 23:30

Quote:

Originally Posted by Paul James
I can't really see why anybody would want to do that, surely its a DSC series, all riders are DSC members irrespective of what other clubs they belong to so wouldn't it be more in the spirit to be more inclusive of all the riders?

Not really an issue just a question.


They had the chance to..... the post was on Ducatisti back in Jan 08.
open to all who use the forum.

It was just a bit of fun :)

Paul James 13-Mar-2009 23:32

Quote:

Originally Posted by Imola Duke
They had the chance to..... the post was on Ducatisti back in Jan 08.
open to all who use the forum.

It was just a bit of fun :)


Fun, FUN, FUN???!!!! Stone the heretic!!!:lol: :lol:

Chris Wood 14-Mar-2009 01:24

Quote:

Originally Posted by Murray Mint
Mate did that bang on your head at Snetterton give you some kind of lasting amnesia, wasn't it you that had a massive off at Coram? or maybe I've got amnesia :lol: :lol:


Well yes, an off at said corner did occur, not a tyre problem just a depth perception spacial one! Two bikes one apex does not work, do they teach that at CSS?

The other was at CCombe, others tried to hit me but I rolled away to quick.

Apologies to Eric, Glyn, Phil, Otei, once again. Good value for the fans though! LOL

skidlids 14-Mar-2009 01:44

Quote:

Originally Posted by tomtom
The new H rated rosso's avaliable yet?


Back to the initial question

The answer is NO and it looks like they will not be available this season
As the H rated Diablos now seem to be restocked there should be enough to go around.

As such I'm in the market for a nice new set of H rated Diablos

Maybe with the current economic climate Pirelli have put off tooling up for producing them, prefering to save the money on tooling costs for now safe in the knowledge that they already have a good tyre on the market that sells well.

Maybe we will be repeating this thread in early 2010

JasonBoswell 14-Mar-2009 07:16

Blinkin eck! The pre-season love in...

Please enjoy yourselves, you lot. It's meant to be fun.

ChrisBushell 14-Mar-2009 08:05

Quote:

Originally Posted by mjbayley
Taken directly from Pirelli Web Site today 13th March 2009 for Ducati 600 SS

DIABLO
Front
120/60 ZR 17 M/C (55W) TL DIABLO Front - 2.2 BAR

DIABLO
Rear
160/60 ZR 17 M/C (69W) TL DIABLO - 2.5 BAR

Now as I have worked in automotive engineering for over 25 years.
I know that:
H rating on tyres is for max speed (sustained) of 125mph
ZR rating on tyres is for max speed of (sustained) of 181mph

I also know from calculation and where the rev limiter cut in that at Assen, Senetterton, and Donington, AntonyE was puling over 132 mph !

So I ask, why do DD go with H rating not ZR as stated and recommended on the Pirelli web site????

I know it's (prolly) the 'sustained' thing, but I think I know what I would rather be using (the old '1.5' times safety factor), and where does the club stand 'IF' there was ever litigation due to tyre failure ?????????????????

Mark


mark

This ie easily answered, as these points were put to Pirelli back in 2004.

It is primarily to do with the weight and power of the bikes, rather than top speed. The weight and performance of a 500 will not put as much heat into a ZR rated tyre in that important 1st couple of laps as they will into an HR.

The ZR is for 100bhp and and say 190KGs and that weight and power would warm them up.

Chris

Murray Mint 14-Mar-2009 16:15

Quote:

Originally Posted by Imola Duke
BTW is it ok to have Ducatisti stickers on my DD bike :eek:


Go on, I dare you. :lol: :lol: I did.


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