“Certainly, you've not seen the full impact yet because it obviously has compromised the amount of development that we've been able to do this year,” he told The Express.
“Thankfully, we came out with a very strong car at the beginning of the year and we've been able to apply most of that development time, from quite early in the season, to next year's car. So, that's been important.
“With the wind tunnel restrictions that we've had, we've elected to use that on RB20, next year's car, as opposed to continuing development on RB19.”
The rest of the grid will be hoping that Red Bull’s campaign starts a bit slower next season, and that there will be a closer championship battle for the first time in nearly three years.
Horner will be hoping that their move to hold back on this season’s car will pay dividends in the form of a fourth consecutive drivers’ and third consecutive constructors' championship.
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