In the round-up: McLaren technical director James Key think F1 cars may not be up to seven seconds slower than this year’s cars.

What they say

Force India CEO Otmar Szafnauer suggested the 2021 F1 rules could make cars up to seven seconds slower but Key’s prediction was more cautious when asked how he thought lap times would change in 2021:

I’m not going to give you a number because I think it’s too early to say. I don’t want to get pinned down by number on the ’21 regs too early.

But I think all the teams need to work at this to work out how much potential there is. FOM and the FIA have had done a great job of putting out a very different set of guidelines for how a car should be and we’re in the process at the moment, all teams in the process are trying to understand, as they mature a little bit, trying to understand what that really means, what a quick ’21 car is.

Will there be a bit of grip loss for those different 18-inch rim tyres? Maybe, they’ll be different animals. The aero is more I suppose you could say slightly more simple than we see now but. But there’s a lot of different mechanisms for generating performance with the aero. And the engines will be the same.

So I think we need to see how all of these things combine to give us a better picture. But we’re not talking massive differences, I wouldn’t have said, at this stage. It could actually be quite close, but we’ll see.

Quotes: Dieter Rencken

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