Motogp: 2016 Round 4 Gran Premio Red Bull de España

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Where is the pump in relation to that line of damage though J4 plus the water would have had to be extremely hot (I would suspect) or under extreme pressure (which is possible) as the line of damage seems a few mm deep and is consistent, almost due to impact damage

No doubt you have better insight but generally from my experience tyre damage like that is not common

It was boiling water hitting the tire rolling at high speed on the track. Dovi said he lost grip suddenly and completely, -- apparently the tire got destroyed in half a lap because of that.
 
It was boiling water hitting the tire rolling at high speed on the track. Dovi said he lost grip suddenly and completely, -- apparently the tire got destroyed in half a lap because of that.

No offence J4 but the water would have been what, 150 - 180 (what do these things run at?) or so and the tyre would have been around 110 - I am just not sure I buy that all the damage was done by the water pump (would it have a concentrated nozzle type of high pressure as that may have caused some of the damage given the heats) ?

The water would have had to be concentrated in that exact spot for the tyre to suffer the damage that the pictures how

Not challenging that he had a water pump issue, but the damage seems to my untrained (emphasis on untrained) eyes to be something else (may have been affected by however) as the line is indicative of a rubber curing type issue that we have seen throughout the last 2 years of Stones and to a slight degree, this year
 
Only you (so far). :)

The fact that Marquez stayed behind Lorenzo for 2/3 of the race without attempting a pass, and then lost ground in the last 1/3, can be the proof only that he didn't have enough speed to really race him... of nothing else really.

Had he been able to shadow him for the entire race, without attempting anything even in the last lap, then it would have looked peculiar (again).
Absolutely no need for any tyre conspiracy theory to be raised for this race, it is a Yamaha track, it was really hot and Rossi is simply better than JL in low grip conditions when the track is hot on tyres best suited for those conditions.

That Michelin may have quality control issues or have produced a control tyre which doesn't cope with the power delivery of the Ducati are different questions.

As for conspiracy theories, despite being fastest in the warm-up as he was at Sepang MM didn't have the pace to go with the riders who beat him early or late.
 
So I was the only one talking about it then ?

You were the first to spoil. Instead of getting defensive about it you could just say sorry and delete or edit the post. It's not too late for you or anyone else that did it because I'm sure there's some people that haven't seen the races yet
 
You were the first to spoil. Instead of getting defensive about it you could just say sorry and delete or edit the post. It's not too late for you or anyone else that did it because I'm sure there's some people that haven't seen the races yet

Okay I'll delete it
 
Water coming out of the broken pump and spilling on the rear tire caused the damage in half a lap or so.

I don't believe that for a nanosecond. The markings on the tyre are from wear, not a little bit of water spilling onto it.
 
It's what Dovi himself said, it went from being normal to nearly making him crash in half a lap !
 
I'm not denying the water pump leaking daniboy. What I'm contesting it J4rn0's statement that the damage to the rear tyre was caused by hot water from the engine leaking onto it. That is absolutely not true.
 
Dunno mate, the bike had a lot of steam coming off it when it happened.
 
Watch Argentina 2015 again, Yonny Hernandez did half a lap with flames engulfing the rear tyre before it finally burnt through. Unless a very concentrated source, steam would have done that.
 
Well if that makes you happy, you are of course entitled to believe that.
 
I'm not denying the water pump leaking daniboy. What I'm contesting it J4rn0's statement that the damage to the rear tyre was caused by hot water from the engine leaking onto it. That is absolutely not true.

The tyre looks a bit torn up and the line looks a little like the border between compounds. But yeah, hot water on the tyre isn't going to cook it.
Losing coolant....you'd expect Dovi's dash to be flashing warnings at him. And water (of whatever temp) on the tyre is going to make it squirrelly.. He may have.rhought oil mist was hitting his tyre
 
The tyre looks a bit torn up and the line looks a little like the border between compounds. But yeah, hot water on the tyre isn't going to cook it.
Losing coolant....you'd expect Dovi's dash to be flashing warnings at him. And water (of whatever temp) on the tyre is going to make it squirrelly.. He may have.rhought oil mist was hitting his tyre
Yeah, I thought that it looked like the seam where the compounds joined.

But from what I can remember, the asymmetric rear was billed as having a harder compound on the right shoulder of the tyre. So unless the harder compound actually extended to the centre of the tyre as well (in which case I would have expected the description of the asymmetric tyre to be "a softer compound on the left shoulder") I can't see it being this....

I also can't see hot water doing physical damage to a tyre (rear tyres run at around 130 degrees C during a race), but it could sure make things slippy.

p.s. Long time lurker, first time poster :)

Macca
 
Yeah, I thought that it looked like the seam where the compounds joined.

But from what I can remember, the asymmetric rear was billed as having a harder compound on the right shoulder of the tyre. So unless the harder compound actually extended to the centre of the tyre as well (in which case I would have expected the description of the asymmetric tyre to be "a softer compound on the left shoulder") I can't see it being this....

I also can't see hot water doing physical damage to a tyre (rear tyres run at around 130 degrees C during a race), but it could sure make things slippy.

p.s. Long time lurker, first time poster :)

Macca

Hi Macca, and welcome :)
 
There was blue smoke coming from the exhaust pipe which means it was coughing up oil. Before that, it looked to me like the engine seized, locking up the rear. If the cooling system shat itself then that explains the seizure.


Sent from my iPhone using Tapatalk
 
All riders complain of others getting a tow in practice and I may well be wrong here but unless JL is ....... fast on his feet, it is the TEAM that use the symbol to alert him, he does not put the sign out

Is it belittling, maybe, but then is it also belittling to others to suggest that you may be able to fix an issue in an extremely short amount of time or suggest that the true potential cannot be seen as a rider is not riding at 100%.

Personally, I would rather someone put a sticker on the bike that says 'passing side, suicide' as you see on trucks


The fact that Jlo knows the meaning of the tricycle symbol means he is on board with this tactic of humiliating fellow riders. and for how long it's been going on, he's more than okay with it. not rocket surgery.

Honestly, I have no anger towards VR but do have 'anger' (to use your words) at aspects of his career (and none relates to the actual riding as for me, he has competed and beaten ....... simple)
\
but if someone says something unflattering toward any other rider, where does your mind directly go? Attack VR.

But as I do respect you as a forum member and respect most of your posts, I would personally like to just agree to disagree on this and give you the last word if you like.
 
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