F1 » Spanish Grand Prix 2013: New hard tyre won't change much – Vettel


Sebastian Vettel has predicted that there will probably be a similar amount of pit stops this weekend in Spain as in the other races this year, despite the fact Pirelli has a brought a new hard tyre to the Circuit de Catalunya.


Last Comment

107SS2009

May 11, 2013 12:27 PM

A forced induction engine is more efficient than an NA engine.
Size being equal, a forced induction engine will be able to use more fuel for the simple reason that a much bigger mass of air will be forced into the cylinders.
The fuel/air ratio will still stand at one part of fuel to every fourteen point seven parts of air.
A forced induction engine will run a lower compression ratio.
And finally, the pure petrol head will only see the real challenge of the ability of extracting the maximum power from an engine design when the design is NA.

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