F1 » Did a fuel problem cost Vettel Bahrain win?


Ron Dennis speculates that Sebastian Vettel's problem in Bahrain wasn't a spark-plug failure, but a fuel issue.

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A.S. - Unregistered

March 23, 2010 11:58 AM

Dennis was talking bullsh** about lack of fuel. Even TV commentators in Bahrain told the engine was sounding weird and Hamilton confirmed that it sounded like one cylinder didn't work. Which was also to be confirmed to be the spark-problem.

Why to keep this nonsense going? Dennis had no clue, but made a rumour.

Justin

March 23, 2010 11:59 AM

True, he was stuck behind a slow a$$ McLaren or Merc most of the afternoon.
Vettel's car did sound rough though. It also said that the ECU may have changed the fuel mix automatically. I wouldn't have imagned this would be allowed???

Commodore S - Unregistered

March 23, 2010 12:20 PM

@Justin.

Fuel and the ECU were the subject of a conversation on this forum not that long ago.

Apparently from what I gathered from that conversation yeah the ECU may have changed mode due to mapping instructions.

It is a P.C. unit which sometimes do have a mind of their own.

Did the ECU read the instructions incorrectly and make the engine run lean? Who knows except RBR and they tell us spark plug?

JET - Unregistered

March 23, 2010 12:33 PM

Ok, so can someone please point me to the story where Renault said it was DEFINATLEY the spark plug?
Ron Dennis say that its possible for the ECU software to shut down cylinders to save fuel.

Also I read this on Diario AS:
"The investigation to identify the reason for Vettel's engine problem is ongoing," he said.(Renault engineer)
"A small problem with the spark plug was found, but we have no reason to suspect a defect in the component itself."

The problem with the spark plug was not big enough to warrant a total cylinder shut down.

Its very easy for Renault to come up with this, as it is with Mercedes Ferrari etc when an engine goes pop its always "hydraulic failure". contd

JET - Unregistered

March 23, 2010 12:39 PM

Also The leading Vettel flexed the Renault V8 far harder than Mark Webber. He was 35 seconds ahead of him after 20 odd laps! So direct correlation is not possible in terms of fuel consumption.

So it is not beyond the realms of possibily that Red Bull may have missed a couple of litres of fuel. The ECU noted the consumption was too high and shut down one cylinder.
As Ron Dennis has said, "thats what our ECU is DESIGNED TO DO" and he should know because his company designed it!

I wouldnt bank on a Renault "spark plug" story, especially when its the first race of a non refuelling rules season. Perhaps Im wrong, but Dennis usually has a point when he comes out to say things like this.

. Lucifer

March 23, 2010 12:40 PM

My thought while watching the race on tv was it was running too lean and this could of resulted in damaging the spark plug as well as the exhaust.


The only time I have seen a spark fail, is..
oil/fuel fouled,
cracked while being fitted,
running too lean and damaging the electrode and insulator.
or just old and worn.

Just my opinion though.

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