New F1 chief Chase Carey has revealed more about the reasons that that led to him replacing long-time leader Bernie Ecclestone at the head of the sport, saying F1 couldn't flourish under his 'one man show' regime.

F1 heads into a bold new era in 2017 under entirely new management following Liberty Media's buyout of the sport over the winter and does so without the involvement of Ecclestone, who was removed from the CEO role he held with the Formula One Group after 40 years in January.

With Carey assuming Ecclestone's position, the American businessman reveals he wanted to initially maintain a status quo to better understand the sport and its potential, but admits it quickly became clear Ecclestone's days were numbered.

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"I recognised how Bernie ran it," Carey told The Times ahead of this weekend's Australian Grand Prix. "I tried to be open-minded to at least go in and try and make a decision based on what I saw and heard and dealt with rather than a pre-determined gut choice.

"Gut would have said that it can't be a one-man show and he's run it as a one-man show for decades. As I looked at it and the way he controlled every decision, down to a paddock pass, and it seemed to be really difficult to envisage, having done it for so long, that he could change.

"We're not just shifting ten degrees. We really want to create a new way of doing business and a new culture with a broader universe we deal with. As it got closer to the transition it became more apparent [that Ecclestone could not stay]."

Carey's comments come after Ecclestone criticised Liberty Media
for moving quickly and not allowing him a year in which to prove himself. However, Carey is unmoved.

"I assume it's difficult or awkward for him as it was his life. I respect that. We clearly do want to run the business in a different way."

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