David Coulthard has questioned Formula 1's sliding scale R&D rule, saying he is not in favour of any rule that 'handicaps success'. Next season Formula 1 will introduce a sliding scale rule that limits windtunnel time for the most successful teams while giving those at the back of the grid extra hours. It is hoped that the new regulation will go some way towards levelling the playing field. Former F1 driver Coulthard isn't a fan. Speaking during an Autosport podcast, he said: 'The basis, I think, of Formula 1, has always been a defined set of regulations of which everyone then has the opportunity to interpret and to deploy whatever assets they have at their disposal. 'But I am a little bit...
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