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F1: Red Bull declares Renault 'started too late' on turbo hybrid engine

Christian Horner claims that engine supplier Renault is behind schedule in its development of the V6 turbo hybrid engine because it simply "started too late" working on it.

Red Bull Racing team boss Christian Horner claims that engine supplier Renault is behind schedule in its development of the V6 turbo hybrid engine because it simply "started too late" working on it.

While rival Mercedes AMG went on to collect five consecutive wins, Red Bull Racing was left behind with a myriad of technical problems.

Renault Sport F1 has made huge progress since the start of the season but Horner maintains that the French car manufacturer has paid the price for being too slow off the mark.

F1 Renault V6 turbo hybrid Red Bull
The Renault engine installed in the RB10 chassis. (Photo: WRi2)

Talking to Sky Sports F1, Horner said: "It's quite simple really: we've had a massive engine regulation change and Renault has turned up and it wasn't as ready as some of their competitors were. So we've been playing catch-up. Renault is working tremendously hard at it and we're slowly closing that gap down”.

Christian Horner added: "As you can see we've got a very good chassis, I just think that they started too late. It's as simple as that."

It seems a bit strange that Renault felt behind, as they were well aware of the engine change for several years.

"That's a very good question and perhaps one you should ask Renault because they were the guys who pushed very hard for this regulation change, so one would have thought that they'd have been the most prepared for it,”’ Horner said.