Formula 1's rules revolution for 2017 is back on track, after the FIA revealed details of the latest proposal for wider and faster cars that teams have approved.

Formula 1's rules revolution for 2017 is back on track, after the FIA revealed details of the latest proposal for wider and faster cars that teams have approved.

Although it is understood that MercedesRed Bull and Toro Rosso voted against what has become known as the 'McLaren' proposal for cars with 25 percent more downforce, the changes have got enough support to get through the F1 Commission.

Unless there is majority support for an alternative proposal by an extended deadline of April 30, then these current regulations will come in to force for 2017.

The basis of the changes are:

                                       2016           2017
FRONT TYRES               245mm      305mm
REAR TYRES                  325mm      405mm
SUSPENSION TRACK   1800mm    2000mm
FRONT WING                1650mm   1800mm
REAR WING WIDTH      750mm     950mm
REAR WING HEIGHT     950mm     800mm
BODYWORK WIDTH     1400mm  1600mm
WEIGHT                         702kg         722kg + tyres (est tyres)

It is estimated that the changes will deliver cars that are up to three seconds per lap faster than the 2016 cars, and produce downforce loads that will fall within the right tyre parameters.

Engines

The FIA and engine manufacturers are continuing to work on plans to reduce costs and guarantee supply of engines.

It is understood that there remains differences of opinions about the need for manufacturers to ensure they supply a set number of teams, as well as how to ensure that the performance of the various power units converge.

Work will also take place on further improvements to the noise.

Halo happening

The FIA also confirmed that the closed cockpit solution known as the 'Halo' concept was on course for a 2017 introduction.

"The F1 Commission confirmed the intention of introducing some form of cockpit protection from the 2017 season," it said

"All stakeholders are working together to make this a reality, with the "Halo" concept currently the preferred option. Other options, such as transparent cockpit protection, will continue to be evaluated."

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