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Formula One 2023: Top 10 rule changes you need to know about in F1

Published at :March 3, 2023 at 10:01 PM
Modified at :April 5, 2023 at 11:13 PM
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Chetan Anand


This season will see the introduction of several changes in regulations.

The 2023 season of Formula One (F1) is all set to begin with the lights out in Bahrain this weekend. Testings have been done and we have got a rough idea of how it is going to look in 2023. However, there have been a few major and minor changes for the year.

Here in this article, we take a look at the rule changes for the Formula One (F1) 2023 season!

Ride Height adjustments

With some teams encountering porpoising upon the arrival of F1’s new-spec cars last year, which feature ground-effect aerodynamics, a set of floor-based flexibility and monitoring measures arrived for the second half of the 2022 season, and more have been outlined for 2023.

In short, four additional changes will come into play this year. Floor edges have been raised by 15mm; the diffuser throat height has been raised. The diffuser edge stiffness has been increased and an additional sensor has been mandated to monitor the porpoising phenomenon.

These adjustments should, in theory, make significant porpoising a thing of the past. And, as such, keep the focus on the thrilling action that F1’s rules reset has delivered.

Revised Qualifying Format

A ‘Revised Qualifying Format’ (RQF) will take place at up to two events in 2023 “for the purpose of evaluating whether the revisions are suitable for subsequent championships” – as per the updated regulations.

This will see tyre compounds mandated for each stage of F1’s usual three-part qualifying session — hard tyres only in Q1; mediums tyres only in Q2; and, finally, soft tyres only in Q3. Intermediates and wets will be allowed if the RQF sessions are declared wet.

At RQF events, each driver may use no more than 11 sets of dry-weather tyres, four sets of intermediate tyres and three sets of wet-weather tyres. This compares to the normal weekend allowance of 13 sets of dry-weather tyres, four sets of intermediate tyres and three sets of wet-weather tyres.

Stronger roll hoops

Alongside the changes aimed at porpoising, there are tweaks to the safety standards for Formula One car roll hoops after the frightening crash experienced by Zhou Guanyu at the start of the 2022 British Grand Prix, which involved his Alfa Romeo sliding along the track upside down.

The 2023 Technical Regulations now state that a rounded top is required on the roll hoop. That will reduce the chance of it digging into the ground during an accident. They also ensure a minimum height for the point of application of the homologation test.

Additionally, there will be a new physical homologation test where the load pushes the roll hoop in a forward direction.

Reduction in minimum Car Weight

F1 car weight was a major talking point ahead of the 2022 season, with teams up and down the grid battling to get as close as possible to the 798kg limit (without fuel) amid one of the biggest regulatory changes in the sport’s history.

As F1’s new era develops, a reduction of 2kg to 796kg is being implemented for 2023. This means the designers will be trying to shave off even more weight from their latest challengers.

Revised Mirrors

In an attempt to increase driver visibility, there will be a change to rear-view mirrors on F1’s 2023-spec cars, with the width of the reflective surface increasing by 50mm from 150mm to 200mm. Following tests by Red Bull and Mercedes in Hungary and Belgium respectively last season, the entire grid got involved at the Dutch Grand Prix. And the changes have now been written into the regulations.

More Sprint Ra`ces, No more Sprint damage allowance

An exciting development for 2023 sees the number of Sprint events doubled from three to six. Azerbaijan (Baku), Austria (Red Bull Ring), Belgium (Spa-Francorchamps), Qatar (Lusail), the United States (Circuit of The Americas) and Sao Paulo (Interlagos) are the venues chosen, following on from extensive research into their suitability.

Meanwhile, the Sprint accident damage allowance will now be a fixed amount per team, for each race weekend that includes a Sprint session. The forfeit allowance amount for each Sprint will double to $300k from 2023 onwards, while all other Sprint damage allowances will be removed.

Reduced Paddock Hours

The number of hours worked by Formula One team members across race weekends will be reduced in upcoming seasons, with the third of three restricted periods (effective on Fridays) beginning an hour earlier this year. Another hour set to be knocked off in 2024.

To complement the move, the number of curfews permitted for the first (Wednesday) and second (Thursday) restricted periods will also be cut in half, from eight to four and six to three respectively, again with another cut planned for next year.

Alongside this, parc ferme rules on Sprint weekends are under review for 2023, with the aim of simplifying the set-up-locking process. After the FIA cited a “significant increase in parc ferme requests" between Friday’s qualifying session and Saturday’s Sprint.

Minor Gearbox Changes

While changes to teams’ homologated gearboxes were only previously permitted “to resolve reliability problems” or “for cost saving, at the start of each season”, modifications are now permitted “in the case of materials, processes or proprietary parts becoming unavailable."

Nonetheless, clear documentation justifying the change must be provided in all cases. Prior approval must be obtained from the FIA, and the modification must not give any performance advantage. A summary of the modification will then be circulated to all teams by the FIA.

Revised Grid Layout Format

Grid penalties came under the spotlight at last year’s Italian Grand Prix, where a host of drivers took power unit and gearbox-related drops and turned the order on its head. Following some confusion over how these were applied, the wording of the regulations has been updated.

F1's new rules state, “Classified drivers who have accrued more than 15 cumulative grid position penalties. Or who have been penalised to start at the back of the grid, will start behind any other classified driver. Their relative position will be determined in accordance with their qualifying classification.”

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