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Formula 1: 2017 Season changes

Take a look at some of the changes that are set to make F1 even more exciting!

Date Published: 09 Jan 2017
Formula 1: 2017 Season changes

2017 features one of the biggest regulation shake-ups since the introduction of hybrid turbo power units in 2014. This time bodywork and tyres are the centre of attention, with both getting wider in order to boost downforce and grip, making the cars both faster and physically harder to drive. In fact, a reduction in lap time of around 3 to 5 seconds is expected…

Tyres
Tyres are around 25 percent wider than in 2016, with rear width up from 325mm to 405, and front width raised from 245 to 305. Tyre diameter has also increased very slightly, though wheel rim size remains unchanged at 13 inches.

Bodywork

Formula 1: 2017 Season changesFront wing
As shown in the drawing below from technical artist Giorgio Piola, front wing span is increased from 1650mm to 1,800mm. Note also that the overall width of the car is up from 1,800 to 2,000mm.

Formula 1: 2017 Season changesRear wing and rear diffuser
As shown in the drawings below, the height of the rear wing is reduced to a maximum of 800mm, down from 950 previously. Meanwhile, the diffuser is more powerful thanks to increased height - up from 125mm to 175 - and width - up from 1,000mm to 1,050. It is also longer, now extending ahead of the rear wheel axle line.

Formula 1: 2017 Season changesSidepods
As shown below, bodywork is now wider, with maximum width up from 1,400mm to 1,600mm.

Weight
Maximum weight is increased from 702kg to 722kg plus tyres.

Power units
A rule change has been made to prevent drivers stockpiling spare power unit elements. During any single event, if a driver introduces more than one of a power unit element that is subject to a grid penalty, only the last element fitted may be used at subsequent events without further penalty.

A number of changes have also been introduced aimed at reducing power unit costs, guaranteeing supply for customer teams, and closing the performance gap between engines:

- the power unit price for customer teams has been reduced by €1m per season compared to 2016.

- to ensure the supply of power units to customer teams, the homologation procedure now includes an ‘obligation to supply’ that is activated in the event of a team facing an absence of supply.

- the previous ‘token’ system for in-season engine development has been removed.

- Additionally, constraints on power unit part weights, dimensions and materials, and on boost pressure, are being introduced in 2017 and in 2018.

Other changes
Wet-weather standing starts
If a safety car is deemed to be required for the beginning of a race due to wet weather, unlike previously a normal standing start will occur once the track is deemed safe to race. The process will see the safety car return to the pit lane and the cars assemble on the grid for the start.

Helmet livery
Drivers must continue to use essentially the same helmet design at all races for easy recognition of the driver in the car. However, each driver is now allowed to use a special livery at one event of his choosing, such as a home race for example. Drivers will also be allowed to change their helmet liveries if changing teams during the season.

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