These are the W Series Sporting & Technical Regulations for 2019.


1. Introduction

The W Series is organised in conformity with the provisions of the International Sporting Code and its appendices (the Code), the FIA General Prescriptions on Circuits (if applicable), the General Prescriptions applicable to International Series and the National Sporting Regulations of the Motorsport UK. It will be run in conformity with the Series’ sporting and technical regulations, the latter being in conformity with the safety prescriptions of the FIA’s Appendix J for eligible cars (Article 275).

2. Organisation

2.1 Promoter: W Series

Organiser: British Racing and Sports Car Club (BRSCC)

2.2 ASN: Motorsport UK

2.3 Organising Committee

  • Catherine Bond Muir (Chief Executive Officer) W Series Limited
  • David Lowe (Racing Co-ordinator) W Series Limited
  • Dominic Ostrowski (Competitions Director) British Racing & Sports Car Club

2.4 Championship Stewards

  • Any three of; T.J. Johnstone, E. Jones, D. Nicol & T. Parry.

2.5 Series Delegates

  • Jon Crook – Eligibility

2.6 Other Officials

  • Series Co-ordinator – David Lowe
  • Race Director – David Pierre

3. Regulations

3.1 The regulations are published in English only. No other language versions are available.

4. Registration

4.1 Registration is by invitation from W Series Limited. All invited drivers must register by returning the Registration Form fully completed to the Co-ordinator 14 days prior to the first round being entered.

4.2 Registration numbers will be the permanent Competition numbers for the W Series.

4.3 Registration will be accepted until the closing date for entries to the last round.

4.4 Invitations to register are issued entirely at the discretion of W Series Limited.

5. Entries

5.1 Competitors are responsible for sending in correct and complete entries prior to the entry closing date, which shall be 14 days before every round.

5.2 Incorrect or incomplete entries (including driver to be nominated entries) are to be held in abeyance until they are complete and correct. The date of receipt for acceptance of entry purposes shall be the date on which the W Series Limited receives the missing or corrected information.

5.3 Any withdrawal of Entry or Driver changes made after the acceptance of any entry must be notified to the Meeting Organiser in writing.

6. Competitor Eligibility

6.1 For the purposes of these Regulations “Competitor” is as described in Article 21 of the International Sporting Code of the FIA: Therefore, for the avoidance of doubt, a Driver and Entrant of a driver should be considered to be the competitor for the purposes of the material parts of these regulations, as may be required.

6.2 Competitors must be Racing Members of the BRSCC, registered for the Series with W Series Limited and must hold a valid FIA Race International C Racing Licence as a minimum, and where applicable, valid licences and/or authorisations issued by their ASN in accordance with Art 2.2 of the ISC.

6.3 All necessary documentation must be presented for checking at all rounds when signing-on.

7. Insurance

7.1 The Organisers of each event will hold insurance that complies with the national laws of the host ASN. Details will be available in each Event’s Supplementary Regulations.

8. Events & Eligible Cars

8.1 The 2019 W Series will be contested over 6 rounds as set out below;

Round   DateVenue
13-5th May Hockenheim, Germany
217-19th MayZolder, Belgium
37-9th June Misano, Italy
45-7th JulyNorisring, Germany
519-21st JulyAssen, The Netherlands
610-11th AugustBrands Hatch, United Kingdom

8.2 W Series is solely for the Tatuus F3 T-318 which should comply at all times with FIA’s Appendix J (Article 275).

8.3 The maximum number of cars admitted will be in accordance with individual circuit track licence.

8.4 Each race shall be for a specific number of laps, based on the number of laps that would normally be completed within 30 minutes plus 1 lap from the race start signal.

8.5 The display of the series livery, branding and official sponsors will be mandatory on all cars

9. Classification

9.1 Points will be awarded to competitors listed as classified finishers in the Final Results of each race.

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9.2 The title of 2019 W Series Champion will be awarded to the competitor with the highest number of Series Points from all qualifying rounds run less any penalty points incurred in accordance with Article 29 these regulations.

9.3 If two or more drivers finish the season with the same number of points, the higher place in the Series shall be awarded to the driver with the most race wins. If the number of races wins is the same, it will then go on the number of second places finishes, then third place finishes and so on until a winner emerges.

9.4 If a race is suspended and cannot be resumed, no points will be awarded if the leader has completed two laps or less at the time of suspension. Half points will be awarded if the leader has completed more than two laps but less than 75% of the original race distance and full points will be awarded if the leader has completed 75% or more of the original race distance.

9.5 No points will be awarded if all laps have been completed under Safety Car.

10. Testing

10.1 For a period beginning 4 weeks before the first race of the Series continuing through to the last race of the Series no testing will be permitted on any track (or part of any track) that is scheduled to host a round of the Series until after that round of the Series has taken place. Should a competitor have been given permission to race in another Championship which has a race at the same venues as W Series then that competitor may race at that venue providing they are competing in the full Championship and not on a one off basis which would be seen as an attempt to circumvent these regulations.

10.2 All registered drivers and teams are permitted to attend all Official Tests which will be confirmed in writing by the Series Co-ordinator. Parc Fermé conditions will apply in team awnings for 30 minutes after each Official Test session unless authorisation to release is given by the Eligibility Delegate.

11. Administrative Checks

11.1 The location and time for administrative checks will be published in the Pre-Event Information.

11.2 Failure to comply with the timetable for administrative checks will be reported to the Race Director for application of sanctions.

11.3 Competitors must produce a valid licence plus any relevant medical certificates or authorisations issued by their ASN.

12. Scrutineering

12.1 The location and time for scrutineering checks will be published in the Pre-Event Information

12.2 Failure to comply with the timetable for scrutineering checks will be reported to the Race Director for application of sanctions.

12.3 The Scrutineers may check the eligibility of a car or of a competitor at any time during an Event and may require a car to be dismantled by the competitor to make sure that the conditions of eligibility or conformity are fully satisfied.

12.4 The presentation of a car for scrutineering will be deemed an implicit statement of conformity.

12.5 The only tyres that may be used are those permitted by the technical regulations

13. Fuel

13.1 The fuel must comply with ISC Appendix J Article 252.9.1

13.2 Only fuel supplied by the nominated supplier can be used.

13.3 The technical delegate may require fuel samples from cars for analysis.

13.4 Each car will begin every practice, qualifying and race with the same volume of fuel as determined by the Chief engineer and approved by the scrutineer.

14. Refuelling

14.1 Refuelling may only be carried out in accordance with the Circuit Management Regulations and Supplementary Regulations issued for each event. No refuelling is allowed during a race or qualifying.

15. Briefing

15.1 Competitors will be notified of the times and locations for all briefings in the Pre-Event Information for all events Attendance is mandatory.

15.2 Competitors must attend all briefings. Competitors under the age of 18 must be accompanied by their Entrant.

15.3 Competitors failing to attend a briefing will be reported to the Race Director for application of sanctions.

16. Practice & Qualifying

16.1 Wherever possible, each round will include 2 x Free Practice sessions of a maximum of 45 minutes and a qualifying session of a maximum of 30 minutes. The timetable will be published in the Pre-Event information.

16.2 Should any practice session be disrupted the Race Director shall not be obliged to resume or re-run the session; the decision of the Race Director shall be final. Should one or more sessions be thus interrupted, no protest can be accepted as to the possible effects of the interruption on the qualification of drivers admitted to start.

16.3 Each competitor should complete a minimum of 3 laps in the car to be raced in order to qualify.

17. Grid

17.1 The grid for the race will be formed in accordance with and up to the maximum number of starters permitted by the ASN Circuit Licence for the hosting venue.

17.2 Should two or more drivers have set identical times; priority will be given to the driver who set it at the earliest point in the official qualifying session.

17.3 Drivers who qualify out of session will have preference over drivers who qualify in the correct session but have their qualifying times disallowed but will not have priority over Reserve Drivers.

17.4 Any driver whose best qualifying lap exceeds 110% of the pole position time may not be allowed to take part in the race. Under exceptional circumstances however, which may include setting a suitable lap time in a previous testing session, the Race Director may permit the car to start the race. Any driver accepted in this manner will beplaced at the back of the starting grid after any other penalties have been applied. Should there be more than one driver accepted in this manner they will be arranged on the grid in the order in which they were classified in the Qualifying session.

17.5 Any competitor who withdraws from a race must inform the Race Director/ Series Co-ordinator at the earliest opportunity and, in any event, no later than 30 minutes before the start of the race. If one or more cars are withdrawn the grid may be closed up if sufficient time is allowed to do so.

17.6 The grid will be formed in a 1 x 1 staggered formation unless the ASN Circuit Track Licence specifies an alternative format.

17.7 The grid will be published after the end of qualifying and will be posted on the official notice board.

18. Starting Procedure

18.1 All cars will be released to form up on the grid prior to the start in formation as specified on the grid sheet.

18.2 The start will be via a Standing start. The minimum countdown procedures/audible warning sequence shall be:

  • 1 minute to start of Green Flag lap – Start Engines/Clear Grid.
  • 30 Seconds – Visible and audible warnings for the start of Green Flag lap.
  • A five second board will be used to indicate that the grid is complete.
  • The red lights will be switched on five seconds after the board is withdrawn.

Any alternative starting signal will be notified to the competitors in the Pre-Event Information & Driver Briefing.

18.3 Any car removed from the grid after the 1-minute stage or driven into the pits on Green Flag shall be held in the pit lane and may start the race after the last car to take the start from the grid has passed the start line or pit lane exit, whichever is the later.

18.4 Any driver unable to start the Green Flag lap or start is required to indicate their situation by raising an arm vertically. In addition, any drivers unable to maintain grid positions on the Green Flag to the extent that all other cars are ahead of them may complete the Green Flag Lap. They MUST remain at the rear of the last row of the grid but ahead of any cars to be started with a time delay.

18.5 In the event that the starting lights fail the Starter will revert to using the National Flag.

18.6 In exceptional circumstances, a race may be started behind a Safety Car.

19. Stopping of races or practice

19.1 Should the need arise to stop any race; RED LIGHTS will be switched on at the Start Line and RED FLAGS will be displayed at the start line and at all Marshals Signalling Points around the circuit.

19.2 This is the signal for all drivers to cease circulating at racing speeds, to slow to a safe and reasonable pace and to return to the pit lane, during practice, and to the starting grid area, during a race, which will automatically become a Parc Fermé area, unless otherwise directed by officials.

19.3 Cars may not enter the pits unless directed to do so. Work on cars already in the pits must cease when a race is stopped.

19.4 If the scheduled race distance has not been completed after the expiry of the respective specified time limits from the race start signal, the chequered flag will be given to the race leader when they next cross the finishing line.

20. Restarting a race

20.1 Should any race be disrupted the Race Director shall not be obliged to resume or rerun the race.

21. Safety Car

21.1 The Safety Car will be brought into operation and run in accordance with Appendix H, Chapter 2, Article 2.9 of the ISC.

22. Sanctions

22.1 As per the provisions of the International Sporting Code and these regulations, all Judicial action will be taken by the Stewards with the exception of the provisions of 22.2 below.

22.2 Race Director may impose drive through or stop/go penalty for infringements such as Pit Lane Speeding, and on doing so must immediately advise the Stewards of any such penalty he has imposed. Neither the reason for the decision nor the penalty imposed is subject to Appeal.

22.3 In order to maintain standards of conduct, the Series Coordinator will monitor all Officials/Observers reports of adverse behaviour at race events. If any individual is included on such reports during one racing season, she will receive written warning from the Organisers that her driving/behaviour is to be specifically observed at future race events. Any adverse reports during this period of observation could result in a Series Stewards’ enquiry, with possible loss of Series points and refusal of further race entries.

23. Race Finish

23.1 After taking the Chequered Flag drivers are required to:

  • progressively and safely slow down
  • remain behind any competitors ahead of them
  • return to the pit lane/paddock entrance as instructed
  • comply with any directions given by marshals or officials
  • keep their helmets on and harnesses done up while on the circuit or pit lane

23.2 All Practice Timesheets, Grids, Race Results are deemed provisional until all vehicles are released by Scrutineers after Post Practice/Race Scrutineering and/or after completion of any Judicial or Technical Procedures.

23.3 Should any race distance be reduced at the operational discretion of the Race Director and ratified by the Stewards it shall still count as a full points scoring race, except if less than 75% of the scheduled race distance or duration is completed, in which case half points only will be awarded, as long as more than two laps have been completed. (9.4)

24. Parc Fermé

24.1 At the end of each qualifying session/race the top 3 cars and the option of 2 randomly chosen cars will remain in podium area and the rest must return immediately to a Parc Fermé area without any unnecessary delay without overtaking (unless clearly necessary) without receiving any object whatsoever and without any assistance (except that of the marshals, if necessary).

24.2 Any classified car which cannot reach the Parc Fermé under its own power will be placed under the exclusive control of the marshals who will take the car to the Parc Fermé.

24.3 No work on the cars of any kind is permitted. No data may be downloaded. No team personnel are permitted to enter the Parc Fermé area unless authorised to do so by the Series Eligibility Delegate.

24.4 The only exception to this rule is that it is permitted to cool the radiators and brakes of a car, when it is stationary in Parc Fermé, and/or Podium Parc Fermé. The use of any such cooling device must be consistent with the requirements set forth in the Technical Regulations. One member of team personnel per car may enter the Parc Fermé area for this purpose only.

25. Protests & Appeals

Protests and Appeals shall be made in accordance with the International Sporting Code and accompanied by a fee defined in the supplementary regulations of the event.

26. Awards

26.1 All awards are provided by W Series Limited.

26.2 Trophies will be awarded to 1st, 2nd & 3rd placed drivers in each round

26.3 Trophies will be awarded to 1st, 2nd & 3rd placed drivers in the final standings at the end of the season.

26.4 In the event of any Provisional Results being revised after any provisional presentations and such revisions affect the distribution of any awards, the competitors concerned must return such awards to W Series Limited in good condition within 7 days.

27. Prize Giving Ceremony

27.1 Trophies will be provided for presentation at the end of each round. All registered drivers who finish in the top three Series positions of each round are required to attend the podium ceremony without delay as directed by the Race Officials. Fastened race suits or Series race clothing to be worn at all presentations, in addition to the Caps awarded for that round. Additionally, all drivers will make themselves available for television and media interviews. Failure to attend a ceremony by any driver who has won an award will be deemed an infringement of these regulations unless prior agreement has been given by the Series Co-ordinator.

28. Timing Modules

28.1 All competitors will be required to fit Electronic Self Identification Modules to their cars for the purposes of accurate timing. Holders for these and detailed fitting instructions will be issued with the transponders and it will be the responsibility of the competitor to fit these in the car in the position and manner specified. The Modules must be in place and functioning correctly for all Series qualifying practice sessions and races. The setting and servicing of these items must only be carried out by properly authorised licensed Timekeepers. Competitors will be charged by the timing company for replacement of the Modules due to misuse or loss at any time during the season.

28.2 Competitors may not place electronic timing equipment within five metres of the official Start, Finish or any other official timing lines at any event or test session/day. Any such equipment placed within these zones will be removed.

29. Onboard Cameras

29.1 All cars must carry the designated AIM Smarty Cam On-Board Judicial Camera during all sessions. Operating instructions for the On-Board Judicial Camera will be made available to all Entrants. No other in car video, still or motion picture cameras will be permitted without the written authority of the Series Eligibility Delegate.

29.2 Nothing may obstruct the camera and it is the responsibility of the no. 1 mechanic of the car that the camera system is fully operational at all times.

29.3 The onus is on the Entrant to ensure this On-Board Judicial Camera is fully functioning, switched on and recording for qualifying and all races. This must not be done more than five minutes prior to the car leaving the collecting area for qualifying and each race. They must be switched-off using the camera ‘Off’ button immediately after all cars have been released from Parc Fermé after qualifying and the race.

29.4 Should a car retire to the Pits or Paddock during qualifying or a race the On-Board Judicial Camera must remain switched on until the car is returned to its awning and all footage retained.

29.5 All cards may be collected in Parc Fermé and only returned once released by the Race Director and/or Series Stewards.

29.6 Only footage from the cameras requested by the Race Director will be viewed.

29.7 Any footage gained from the Camera must be made available to the nominated film production company before the conclusion of the event. Teams are reminded that all footage obtained from the races remain the property of the W Series. For the avoidance of doubt, the competitor may not use any footage obtained for any commercial purposes including but not limited to any form of television broadcast (free to air, internet, pay per view, subscription, terrestrial, satellite), any other form of internet use, any advertising, sponsorship promotion or for any type of public performance – paying or otherwise, without prior permission from the Series Co-ordinator.

29.8 The Race Director may impose an appropriate penalty on the competitor should:

  • the camera not be switched on, be obstructed or not have a connection
  • the memory card be tampered with, swapped or taken out
  • the camera or memory card be deliberately damaged
  • no camera data be made available on request for whatever reason

This penalty may be up to and including a 10-place grid penalty at the following race or 20 Championship Points at the final race of the year.

30. Commercial Undertakings

30.1 The organisers reserve the right to obtain support sponsorship for the Series usually by means of product for competitors. To qualify this may require fixing support logos on either side of the car.

30.2 W Series Limited will supply decals for vehicles and overall badges which are mandatory to display.

30.3 Drivers may be required to participate in promotional activities at certain race meetings.


31. Introduction

The following Technical Regulations are set out in standard format and it should be clearly understood that if the following texts do not clearly specify that you can do it you should work on the principle that you cannot. Once supplied, the car’s components may not be modified in any way whatsoever except where specifically permitted by the Technical Regulations or with the written permission of the organisers after consultation with the manufacturer. Any such modifications will only be permitted if they are deemed absolutely necessary after a problem has been clearly identified. Specifications detailed in the User Manual and Parts Catalogue will take precedence.

32. General Description

32.1 The W Series is solely for the Tatuus F3 T-318 which should comply at all times with the Regulation Documents defined in the car manufacturer user and parts manuals and with the safety prescriptions of the FIA’s Appendix J for eligible cars (Article 275).

32.2 Examination of Vehicles

The organisers (in addition to any other powers they may have under these Regulations reserve the right before or after any race in the series to designate any one or more of the competing cars for special eligibility scrutineering. Upon such election being made the competitor shall immediately place the car under the control of the organisers and be deemed to have permitted all such scrutineering, examination and testing as the organisers may responsibly require to undertake. The organisers have the right to examine the car at the circuit for such period as they may reasonably require and take fuel samples.

33. Safety Requirements

33.1 Article 275 of Appendix J of the FIA International Sporting Code and Chapter III of Appendix L of the same will apply.

33.2 Drivers Safety Kit

All drivers’ safety kit must be compliant with the FIA standards as listed in Appendix A of these regulations

33.3 Crash helmets

Only Crash Helmets compliant with one of the following FIA standards may be used (also See Appendix A):

  • FIA standard 8860-2004
  • FIA standard 8860-2010
  • FIA Standard 8860-2018
  • FIA Standard 8860-2018-ABP

33.4 Frontal Head Restraint

The use of a Frontal Head Restraint device is mandatory and must be compliant with one of the following FIA standards (also See Appendix A):

  • FIA Standard 8858-2002
  • FIA Standard 8858-2010

33.5 Flame Resistant Clothing

Drivers must wear flame resistant clothing in accordance with FIA Standard 8856-2000 or FIA Standard 8856-2018 and FIA Appendix L to the International Sporting Code. This includes flame resistant under-clothing (See Appendix A).

33.6 Seat Belts

Seat belts must be compliant with one of the FIA standards listed in Appendix A of these regulations.

33.7 Biometric or Physiological Monitoring Device

Any biometric or physiological monitoring device worn by a competitor must comply with all current safety regulations and be declared to the Series Eligibility Delegate, who in conjunction with the Chief Medical Officer will make the final decision about its use. Any data recorded must be shared in full with the Series Eligibility Delegate and Medical Directors upon request.

General Technical Requirements and Exceptions

34. Chassis

34.1 In accordance with FIA F3 2018 Homologated – Tatuus F3 T-318

34.2 Spare cars are permitted. However, any part of the car (excluding the survival cell) may be changed at any time during the Meeting. After initial scrutineering the survival cell may only be changed if the Series Eligibility Delegate is satisfied that a change is necessary following accident damage. Any replacement survival cell must be presented to the Series Eligibility Delegate and may have no components pre-fitted to it. Following the change, the car must then be re-presented for scrutineering.

34.3 The decision whether a car has been repaired or changed will be taken by the Race Director, based upon a report by the Series Eligibility Delegate.

34.4 Any car which has passed initial scrutineering may not be removed from the confines of the circuit during the remainder of the Event.

34.5 Accident Data Recorder: All participating vehicles are mandated to mount the Accident Data Recorder acquisition system specified in the FIA Technical Regulations.

34.6 W Series shall be responsible for ensuring that the Accident Data Recorder is in operating order and that the system is activated throughout the meeting. The data obtained must be surrendered upon request by the Series Eligibility Delegate at any point in the Series or at any moment in a given meeting.

34.7 The Series has the right to record and retain any data gathered by the Series Officials from each car’s on-board data recorders during each meeting and Official Test session and retains the right to use this data howsoever it chooses.

34.8 Competitors agree that the selected channels of data and video can be used by instructors appointed by the Series at the service of drivers’ tutoring.

35. Bodywork

Cars must conform to the dimensions laid out in the User Manual at all times.

36 Engines

36.1 The only permitted engine (which for the purposes of these regulations includes all engine ancillaries) is the appointed W Series engine.

36.2 No engine may be used in the Series meetings or Official Tests if its origin is not recognised by W Series.

36.3 At the final pre-season test each driver will be allocated a race car package which they will use for the duration of that test and for the first event of the season. At the conclusion of the first race of the season the Series Eligibility Delegate will conduct a public draw to confirm which race car package each driver will use for the following race and so on throughout the season – no driver will be allocated the same race car package twice in any one season.

36.4 A race car package includes chassis, engine, gearbox, engineer and mechanic. Individual components within each package can only be change with the scrutineers’ consent.

36.5 Engine swaps between Chassis are permitted for all meetings and official tests.

37. Suspension

37.1 Suspension and geometry settings may be changed provided the adjustment provided by the standard components is maintained and/or within margins as specified by W Series.

37.2 Adjustment of dampers is permissible.

37.3 Anti-roll bars may be changed, but only from the range specified in the User Manual

37.4 Mounting points and mounting brackets may not be modified or moved from the original locations provided.

37.5 Only springs specified by the car manufacturer user & parts manual may be used. Once supplied no modification of any sort is permitted.

37.6 No modification of any sort to any damper sub-component is permitted.

38. Transmission

38.1 Gearbox ratios will be restricted and must comply from the range specified in the Sporting Regulations and User Manual.

38.2 All casings and gearbox components including shifter mechanisms must be of original manufacturer supply.

38.3 All cars must have a reverse gear operable any time during Event or test session by the driver when the engine is running.

39. Electrics

39.1 Modifications to the original electrical system are forbidden and must conform to the User and Parts Manuals.

40. Brakes

40.1 All brake components, including brake discs, callipers, pads, lines, hoses must remain original as supplied by the Manufacturer or be the official options available within the User and Parts manuals.

41. Wheels & Steering

41.1 The mandatory front and rear wheels must be used.

41.2 The fixing will be via a single centre lock taper nut system.

41.3 A safety spring must be in place on the wheel nut throughout the event and must be replaced after each wheel change

41.4 These springs must be painted dayglow red or orange.

42. Tyres

42.1 Only the dry-weather tyres which have been supplied at that meeting by the appointed supplier, Hankook may be used throughout the meeting.

42.2 Only the wet-weather tyres which have been supplied at that meeting by the appointed supplier, Hankook may be used throughout the meeting.

42.3 Each car will be allowed to use a maximum of 3 sets of slick tyres and 2 sets of wet tyres at each event.

42.4 Each new tyre used must be to the specification as supplied by Hankook.

42.5 A competitor may carry over a used set of their tyres from the previous event which may be used in the first 15 minutes of P1 at the next event only. Should a competitor remain on track beyond the first 15 minutes of P1 with carry over tyres from the previous event it is these same tyres that will automatically replace one of the three sets allocated to the competitor for the duration of the event, unless the delay in returning to the pits was due to either a red flag or other circumstances in which case it may be that the competitor will be permitted to continue with the three allocated sets thereafter.

42.6 Nominated tyres which are subsequently deemed and approved – by the Eligibility Delegate, or his nominated deputy – to be damaged or punctured can only be changed to a nominated spare after consultation with the Eligibility Delegate.

42.7 The organisers reserve the right to amend these specifications.

43. Minimum Weight Limit

43.1 The minimum weight of the car at any time during competition shall be 590kg.

43.2 The minimum weight of the car plus driver at any time during competition shall be 650kg.

43.3 It is mandatory for all competitors to attend any pre-race driver weighing’s, wearing their full race attire and carrying their helmet and Frontal Restraint System at the time/venue defined in the Pre-Event Information Bulletin.

44. Fuel Tank/Fuel

44.1 Fuel tank and location are as per user and parts manuals.

44.2 The Series fuel will be a specification fuel supplied by the nominated supplier. The use of this Series fuel is mandatory during all Official Testing, Qualifying and Races

44.3 It is not permitted to inject or use any fuel or additive other than that specified in these Regulations.

44.4 Fuel samples may be taken at any time during or after Official Testing, qualifying or races to be analysed for conformity.

44.5 To facilitate the taking of fuel samples and to confirm the minimum fuel remaining, fuel may only be obtained via an FIA approved dry break coupling and fitted pipe minimum length 300mm.

44.6 A minimum of 3 litres of fuel must remain in the car when it arrives in Parc Fermé at the end of each qualifying session and/or race. Should tests prove that the fuel sample is not that specified for the Series, or there is insufficient fuel remaining in the car (minimum 3 litres), then the competitor will be deemed to be in breach of these Series regulations.

44.7 The organisers reserve the right to nominate an alternative fuel in the event of force majeure.

44.8 No refuelling, or removal of fuel, is permitted:

  • During any qualifying session.
  • The race or at any time prior to the completion of post-qualifying or post-race scrutineering.

45. Silencing

45.1 The noise generated by the car must not exceed 110dB(A).

Engine noise will be assessed in the following way:

  • The measuring point will be at a distance of 50cm from and at an angle of 45° to the exhaust outlet.
  • The height of the microphone will be between 40-60cm from the ground.
  • The noise meter will be tuned to “slow”.
  • Measurements will be taken with the filter “A”.
  • The clutch pedal must be actuated in order to prevent the gearbox from rattling.
  • The engine speed must be set at three-quarters of the maximum rpm.

46. Competition Numbers/Decals

46.1 Competition numbers as supplied by W Series must be displayed at all times.

46.2 Branding supplied by the organisers must be displayed in the areas as specified in the Race Car Series Livery Positions Document contained in the Commercial Undertakings. Failure to adhere to this regulation will be deemed to be a breach of these Series regulations and may result in loss of Series points.

Issued by BRSCC