We seem to have slid to the back of the grid over the past few races. Why?
There are several factors why our performance hasn't matched up to what it was in the second half of last season. The first is that the drivers are very important and last year, Vettel matured enormously, getting over the difficult phase every young driver does, not understanding why he was fast or slow. A second factor was that last year, within the limits of our own capabilities, we went down a different route to Red Bull Racing, particularly with suspension and the braking system that was different to their car. The third point is that last year we were racing in an era where the technical rules had been more or less stable for a decade so performance levels flatten out, making it harder to come up with something new. This year, the pace of development has speeded up enormously and as a small team, we have been unable to keep up with that. Today, Red Bull for example is producing large steps forward in development on a monthly basis. We cannot do that as we don't have the manpower. Furthermore, with a young and inexperienced driver like Buemi, when we do introduce changes, it is naturally harder for him to adapt to those changes.

Is that a criticism of Buemi?
Absolutely not: to date, he has taken part in just nine grands prix and in four of those he retired early. Add in the fact there is no testing and he is getting very little time in the car. When a young driver first comes into F1, he is like a daredevil, taking risks, but as his understanding increases and he suffers a few set backs, it knocks his confidence which then has to be rebuilt. We cannot expect him to learn any faster: he is trying his best and doing a good job. Remember that when Vettel came to us, he had done one year as a third driver for BMW and had even taken part in one Grand Prix, but he could do no better than qualify eighteenth for us in his first race, in Hungary.

We've been talking about this technical upgrade for weeks now. What is it?
In Hungary we have a major upgrade, which includes the floor, rear wing, rear wing endplates, a nose which has had to pass a new impact test, new brake ducts etc. – pretty much the whole damn lot! We've worked our hardest to get this modification package and to do it this year is much harder than the work we did last year.

But don't you just get all the new bits from Red Bull Technology in the UK?
There is a view that the only difference between our car and the Red Bull Racing one is the engine, but that is inaccurate. It involves the engine, gearbox, clutch, hydraulic system, water, oil and electrical systems; and all this on top of the actual aero parts in terms of bodywork. The further complication is that, although we have not run it, our car was designed so that it could incorporate the Ferrari KERS system and that is very different to the one used by Renault, around which the RB5 was designed. Therefore, we are not in a "cut and paste" situation when it came to getting the parts. It was not a case of getting a drawing from Red Bull Technology and simply manufacturing it. The two cars might look the same but if you try and fit the bodywork from one on the other, it would not fit. The rear suspension is also different because, in order to maintain the same wheelbase, it needed a different arrangement.

Will it bring a performance advantage?
I will tell you once we've run it at the race track.

If you had to situate our car in Hungary specification with Red Bull Racing's development, where would it be?
It would be a package equivalent to the one they introduced at the British Grand Prix.

Will it be good enough to score points?
That depends how far forward the other teams have gone, because nothing stays still in this sport. It's not as simple as saying ‘last year we made a technical step forward for the second half of the year and performed well so the same thing will happen again.' Last year, the Italian media was keen for me to puff out my chest and say ‘oh yes, I am very clever and I have managed to outperform our Red Bull cousins,' but the simple answer about the end of last year is that Vettel is a great driver. I wasn't a genius last year, but I don't think I am an idiot this year!