f600 handbook 2020 v2 - wordpress.com · drive cog must lie within 2” (50mm) of an imaginary line...

www.f600.co.uk 2020 – Revision B

BF600MEMBERSHANDBOOK2020

BackgroundInformation

Founded in 2002 by a number of Leewood Autograssmembers, the F600 class is inessence an introductory specials class run to class 8 specifications with furtherrestrictions imposed. This is an attempt to reduce cost and increase thequantity ofspecialsracingatclublevel.TheF600classandchampionshipwillbegovernedbytheelectedF600Committee intheimmediatefuturealthoughtheF600committeeareinnegotiationswithNASAwithviewtobecominga fullNASAclass. Theoverallaimof thecommittee is to raise theprofileoftheclassbyprovidingcheap,close,fastracingandallmemberswhosignuptotheBF600Careexpectedtofollowthisobjective.Currently F600’s do not have a separate class represented at the Nationals but aseparate class is provided within the British Autograss Series and UK AutograssChampionship.Wethereforehaveanextendedcalendarofeventsduetodemandfromcompetitorsandgrowinginterestfromclubswiththeintroductionfrom2015ofa‘Nationals’stylecompetition;onemeetingovertwodayswithachampionattheendofit.Since2010BF600Chastakenplaceover8roundswiththefeatureofbeingabletodroptwo of the lowest points scoring meetings. This accommodates for accidents,mechanical failures, holidays, work and not wishing to travel to certain meetingswithoutputtingyourselfoutoftherunningforthetitle.AllcompetitorsintheBF600Cmustdeclarethedriver(s)forthecaratthestartoftheseason;onedriverandonereservedriverpercarisallowed.Thanks tooursponsors, competitorswishing tocompete in thechampionshipdonothave to pay any additional registration fee or fill in any application forms althoughsome details do need to be provided at the beginning of the season to enable thePointsCoordinatortokeepaccuraterecords.


Organisation

From2014 the class has been runby an elected committeewho arenominated andvoted on by themembership at an Annual GeneralMeeting. Anyonewishing to beconsideredforoneofthepositionsshouldmakethemselvesknowntoanymemberofthecurrentcommittee. Detailsarepostedon theF600Facebookpageand theF600website.

COMMITTEEPOSITIONSChairman ViceChairmanSecretary TreasurerChiefScrutineer AssistantLeagueScrutineersRaceDayCoordinator(s) PointsCoordinator

Rules&Regulations-asperNASAClass8RuleBookwithAdditionalRestrictions

ChassisConstruction-allseeFig3

1. Minimumwheelbaseof76”,maximumisF600specificandatrackrestrictionof2.0masperNASAspecialsrulebookrule8.1

2. Enginemust bemounted in rear of the car and in front of the rear axle in apredeterminedhorizontalplane

3. Theuppermostpartoftheenginecylinderheadbelowtherockercovergasketshouldbenomorethan565mmabovethetopofthebottomnearsidechassisrail–seeFig:1

4. Thecentre-lineoftheengine(deemedtobebetweenports2&3)mustbelocatedwithin2”(50mm)ofthecentre-lineofthevehicleallowingaslightengineoffset.Thecentrelineofrear drive axle or drive box output centremust be behindrearmostpartofgearboxhousing.

5. Enginetransmissionbychaindirectfromenginegearboxtoaxlesprocket.From2017theuseofacogdrivendrivebox isallowed.Therearaxleandsprocket/drive cog must lie within 2” (50mm) of an imaginary line drawn through thecentreofbothrearwheelhubcentreswhicheliminatestheuseofengine/driveasballastandensuresdriveshaftsrunataverylowoffsetangle.Chainmustbeofaminimum520pitch.

6. NoLSD’sorsecondarygearboxes.Singletensionersarepermitted.


7. Shockabsorberspecificationpermittedasfollows:! Singleadjustmentonunitcontrollingbothbumpandrebound! Noremotecanisters! Springplatformadjustment(springingfree)! ManufacturedbyAvo,Gaz,Protech,ShockTecorSpaxonly! AnyfurthermanufacturersofshockabsorberssubmittedforapprovaltotheF600committeewouldbeconsideredforinclusioninthefollowingseason

8. Anyshockabsorberthatdoesnothaveasinglebody,singleram/pistonorhasbeenadaptedfromanitemthathasmorethanoneadjusterforthebumpand/or rebound or body type and is not currently available for sale to the generalpublic at the time this rule book was released is not permitted and must besubmitted to the F600 committee for approval before use at any NASAauthorisedevent.

9. Chassis / vehicle to be equal about vehicle centre line [no offset wheels] +/-25mm

10. Enginenottobeusedasanintegralstressmemberofthechassis.11. Radiator, fuel tank and battery to bemounted rearward of the roll cage rear

hoop,infrontofcentreofrearaxleandwithinthesilhouetteofthevehicle.Thebattery may also be mounted within the driver’s compartment as per NASAruling22.

12. In addition to the rear facing brake light a second brake light to NASAspecificationsmustbefittedtotherightside/offsideofthevehicleandfacingtheinfieldinsuchawayastobevisiblebytheinfieldMarshalswhilstracing.

Engine

Withrespecttoclassification4.2.1,page8ofNASArulebookforclasses8,9&10forthepurposesofFormula600thefollowingshallapply:13. Enginetobeanunmodifiedproduction4cylinder,4-stroke16valveupto600cc

motorcycle derived carburettor engine other than 0.5mm overbore and/or0.5mmheadskim(forrebuildorreconditioningrequirementsonly).Nofurthermodifications, additions, omissions or alterations are permitted other thanlocalisedmodificationstoconnectacceleratorandchokecableseg.YamahaR6,Kawasaki ZX6RF&ZX6RG,HondaCBR600F, SuzukiGSXR600etc.Alterations tothe sump or the addition of any sump baffle or oil pickup pipe or change ofpositionisnotallowed.


14. Todiscouragetheuseofamodifiedoilpickuppipetheenginemustbeinstalledinthecarasperthemanufacturersdesign+/-5degrees.It’suptothedrivertoprovethatitiswithintolerance.Ifnecessaryacarcanbeloadedontoatrailerandlevelledwithaspirit levelorinclinometerandthesumppangasketand/ormanufacturers name on the alternator or timing cover and/or the oil levelwindowmaybeusedtodeterminetheangleoftheengineinthecar–seeFig:2

15. Theoverridingrulehereisifthemanufacturerdidnotinstallorremoveitthenitisforbiddenunlessanexceptionisspecificallystatedintherulebook.Ifyouareunsure,askbeforeyouproceed.

16. From 2019 the following are allowed – unmodified production, 4 cylinder, 4stroke, 16 valve up to 600cc motorcycle derived carburettor or fuel injectedenginesfromtheapprovedlistbelow.WhilstthestatedBHPisapproximatethepurposeofthelististoensureallenginesaresimilarlyaround115BH

MAKE MODEL VERSION CAPACITY YEAR MAXBHP115Suzuki GSXR K1/2/3 599cc 2001-2003 101BHPSuzuki GSXR K/4 599cc 2004-2005 97.5BHPSuzuki GSXR K6/7 599cc 2006-2007 111BHPSuzuki GSXR K8 599cc 2008-2010 112.3BHP

Kawasaki ZX6R F 599cc 95-97 100BHPKawasaki ZX6R G 599cc 98-99 106BHPKawasaki ZX6R J1/2 599cc 2000-2002 109BHPKawasaki ZX6R P8F 599cc 2007-2008 110BHPKawasaki ZX6R 599cc 2009- 115BHPYamaha FZ6Fazer 599cc 2004- 90BHPYamaha YZFR6 5SL 599cc 2004-2005 108BHPYamaha YZFR6carb 5EB/MT 599cc 1998-2003 108BHPHonda CBR600RR RR3/4 599cc 2003-2006 115BHPHonda CBR600RR 599cc 2009- 107BHPTriumph TT600 599cc 2000-2003 108BHP

Ifyouareunsureastotheeligibilityofyourpreferredenginepleaseask

amemberoftheF600committeebeforeyoustartbuilding.


17. Carburettoristobeaspermanufacturerwiththemakeandmodelapplicabletotheengine,jettingandfiltersfree.Flatslidesnotallowed.

18. Modifications to the injectors, throttle bodies, fuel control/delivery systemsincludingECU’sandthemanufacturers’ standardmaparenotallowed. Drilledholes fortheprovisionofsealingtheECUto itsassociatedconnectorsmustbeprovided by the competitor. The introduction of non-standard items into thefuel system or ignition system is strictly prohibited, however fuel pumps arefree.

19. The ECU must be the correct version for the engine you are using; theinterchangingofECU’sbetweenmodelsisforbidden.

20. Any ECU must be from the appropriate year and model of engine used andcannot be interchanged betweenmodels. For example youmust statewhichengineyouhaveandtheappropriateECU,throttlebodiesandexhaustheadersmust be determined for thatmodel. No BHP advantage is to be gained as aresult of flashing or modification although it is permitted to have the ECUflashed but only to remove the proximity key sensing feature and enableoperationoftheignitionsystemwithoutthekeybeingpresent.

21. No engine components or ancillaries are to be modified frommanufacturers’original spec. No additional after-market components to be fitted into theignition system and/or ECU. The ignition systemmust operate as per originalmanufacturers’intentions.Throttlepositionsensorsandorpotentiometersmustberetainedandfunctionasperoriginalmanufacturersintention.

22. It is not permitted to adjust ignition timing, cam / valve timing, ECU map orinjector timing beyond the standard serviceable limits / settings stated by theoriginalenginemanufacturers’tolerances/standardsandrecommendedintherelevantworkshopmanualforthatmakeandmodel.

23. Cooling system modifications other than radiators and fans are strictlyprohibited.

24. The removal, alteration, addition ormodification of engine ancillaries such aswater pumps, alternators, charging systems and their internal mechanisms isstrictlyforbidden.

25. Gearbox is to remainstandard.Nowebbing is toberemovedfromaroundtheoutputsprocketandchain istorunasmanufacturersdesign(seerule4). OnlyYamaha5EB/SL isallowedtohave thealuminiumslug removedat the frontoftheenginesprocketintheeventthechainbreaksoristhrownoffthesprocket.

26. EngineswillbesealedasandwhendeemednecessarybytheF600Committee/Scrutineers.Competitorsmustensurethatrelevantholesaredrilledtofacilitateengine sealing ie. two bolts from the timing cover to be drilled and two boltsfromthecamcovertobedrilledortagswithholestobeweldedontothem.


27. Ifafterbasicinspectionchecksanyengineissuspectedofbeingillegaltheownerwill be asked to present the car in full running order atDaytuner for a rollingroadtest.

28. If the engine is still deemed to be non-standard a disciplinary hearing will bescheduledwhereadecisiontostriptheenginewillbemadeinordertoconfirmitslegality.

29. If theengine is foundtobe illegaltheownerwillbe liableforanycarriageandlabourcostsincurred.Ifnoabnormalitiesarefound,theenginewillbereturnedtoitsownerasperNationalsruling.

30. Exhaustistoremainasstandardinsize,configurationandpositionasproducedbyenginemanufacturerfromexhaustporttocollectors.Silencerisfree.

31. Wheelandtyresizeisfreeandbeadlocksareallowed.

GettingStarted

Thefirstthingyou’llneedtogetstartedonceyouhavethisrulebookisacar.ThereareseveraloptionsopentothosewishingtobuildanF600.Firstly,probablythecheapestoptionistomodifyanexistingclass8chassis.Thepre-driveboxcarsareeasiesttoadaptduetothesimilaritiesinthelayoutoftheengineinrelationtotherearaxle.Carsfrequentlytradehandsfromupwardsof£500.The second option is to buy a chassis from one of the several reputable chassismanufacturers around the country. Unique Race Cars, Berrisford Chassis &Components,DRD,APEngineering,BowenMotorsportorseveralothermanufacturerswill be able to fabricate a chassis that will adhere to the rules and regulationspreviouslymentioned.Thirdly,youcouldbuildyourownchassis.Manyofthecompetitorswillbemorethanhappytogiveyouanyadviceyouneed.

Convertanexistingchassis? Buyachassis? BuildYourOwn?


Race-Day,Scrutineering&Signing-On

Competitorsaretopassthroughscrutineeringasnormal.GeneralScrutineeringwillbeperformedbythehostclub.Thisscrutineeringwillbeexactlyasbeforewiththeusualsafetychecks:(braketest–brakelight–isolatorchecks–seatbelts).

Oncethroughscrutineering,parkupinthepitsandaBF600CscrutineerwillbeacrosstocheckthatthecarconformstotheF600rules&regulations.Certainaspectsoftherules and regulationswill be checkedat eachmeeting,with specific checksonotheritemsperformedatrandom.

Again, please be patient with the scrutineers; they are only there to ensure thateveryoneiscompetingonlevelterms.

Whensigning-on,pleasestatetotheofficial thatyouareracing“Formula600”.Theywillhaveaspecificsigning-onsheetfortheclass.Donotsignonasaclass8.Grid positions for all heats and finals will be drawn at random. This eliminates thepossibilityofcompetitors“picking”theirheats.Inextremeadverseweatherconditionsa ‘majority’decisionfromthedriverspresentatthetimewilldeterminewhetherornottoraceifthemeetingisnotcancelledbythehost club. This applies to conditionswhere it is impossible to read car numbers ordifferentiate one car from another and not just bad weather. Reserve dates areavailablebutwewillendeavour to replaceanycancelledmeetingsonthesamedatebutatadifferentvenue.Jumpstartsarealreadycoveredby theNASA rulebook thereforeF600will abidebythatrulingandtherulingoftheclubmarshalsofwhereweareracing.Timegiven for repair isalso in theNASArulesat15minutesand isgovernedby theofficialsoftheclubwhereweareracing.Notethisis15minutesfromstartingrepairswhichmakesallowancefortimestuckonthetrackorintheambulance.


QualificationfortheFinals:

Onracedaythetop8pointsscoringcompetitorsfromtheheatswillbeeligibleforthemainA’final.• Ifthereisatieforthefinalpositionthenarunoffwillbeheld• Failingthis,thedriverswillbeaskedtodrawrandomlyforthefinalplace.• Ifoneofthefinalistscannotmaketheracethenthenexthighestscoring

competitorwillbeeligibletotaketheplace• Failingthis,thedriverswillbeaskedtodrawrandomlyforthefinalplace.

FurtherNotesonPointsScoring:

• Onlycarscompletingtheracewillbeawardedpoints• Racepositionswillbeasreportedbythehostclub’slap-scorers• AnupdateoftheBF600Cpointswillbeavailableassoonaspossibleafter

racingonBF600Facebookpage• Fortwo-daymeetingswherethreeheatsarerun,qualificationforthefinalswill

bedecidedbypointsacrossthethreeheats,however,onlyyourtoptwoheatswillcounttowardstheBF600C.

DroppedMeetings

CurrentlyeightmeetingsareplannedwithonlyyourtopsixpointsscoringmeetingscountingtowardstheBF600CIfacompetitorisdisqualifiedfromameetingforwhateverreasonanypointsaccruedatthatmeetingcannotbedrawnupontocountasoneofthatcompetitorsscoresordropscores over the series. Thismeans that in an eight round season theywill only havesevenrounds fromwhich todraw their top five; itwill alwaysbeone less thaneveryothercompetitortodiscourage‘cheating’.Ifall8meetingsrun twomeetingsaredropped top6resultscountIfonly7meetingsrun onemeetingisdropped top6resultscountIfonly6meetingsrun onemeetingisdropped top5resultscountIflessthan6meetingsrun nomeetingsaredropped allresultscount


BF600CPointsAllocations

TheBF600Cadoptsthenationalpointsscoringsystem,thepointsallocationsareasshowninthetablebelow.

PointsfortheHeats:

1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH

55 45 36 28 21 15 10 6

Pointsforthe“AMain”Final:


55 45 36 28 21 15 10 6

Pointsforthe“B”Final:


21 15 10 6 3 2 1 0

Penalties&DisciplinaryAction

Aspreviouslymentioned,thespiritoftheF600classistocreateclose,cheapracingbyutilisingbudgetcomponentsandunmodifiedengines.Such regulations are open to abuse if not policed correctly and therefore strict,thoroughscrutineeringisrequiredofeachofthecompetingF600’sinordertoensurethat the regulationsmentioned in the “Rules&Regulations” sectionare adhered to.Competitors who are found to be attempting to obtain a performance advantagethrough consciouslybreaking the ruleswill be foundandwill bebroughtbefore thecommitteefordisciplinaryaction.Ignorance is not an excuse. If you buy an engine, ensure it is standard, if you buy achassis,pleaseensureitconformstotheregulationsbeforeyouturnup.

Pleasebeadvisedthat ifyouarebuyingataggedchassisyoumustcontacttheNASAtagging e mail address ([email protected]) to ensure that the tagnumberisre-registeredtoyourselfasweneedeveryonetohelpkeepthedatabaseuptodate.Alltagswillbecheckedduringthecourseoftheseasonandifyoursisn’ttherightoneforyourcaragainyoumaybefacingdisciplinaryaction.


Thecommitteerunning theF600classandtheBF600Careeducated inallaspectsofchassisdesignandenginemodificationandwillpickupanyonewhoischeating.ECU’s,Carburettors,ExhaustPrimaries,etccanbeeasilychecked,andwillbe.If you suspect anyone is cheating then please inform the committee who can thenperformtherelevantchecks.Yourconfidentialityisassured.Suchthreatsmaysoundharsh, but it is essential that the class is policed correctly to ensure the aims of theclassareseentobemet.TrophyAllocations&Presentation

Trophies will be awarded at each BF600C round by the host club. These should godowntoatleastthirdplacefortheAfinalonly.The winner of the BF600C will receive the annual BF600C trophy which will beengraved with the winners name and formally presented. This trophy is to bereturnedeachyearsothatitmaybepresentedtosubsequentwinners.ThefirstfourcompetitorsintheChampionshipwillreceivelargetrophieswhichtheycan keep. These trophieswill normally be presented at the Presentation Evening /DinnerDanceoftheclubofthewinningdriver.

ManythankstoourBritishF600ChampionshipSponsorsfor2020

PREVIOUSCHAMPIONS

MENS LADIES

Year No. Name Year No. Name

2019 SB20 AndyWatson 2019 WR400 HilaryFrost

2018 SL1 JonnyDawson 2018 WR400 HilaryFrost

2017 ST1 TerryCox 2017 SL102 SusanDawson

2016 SL1 JonnyDawson 2016 SL102 SusanDawson

2015 ST1 TerryCox 2015 WR400 SusanDawson

2014 SL101 JonnyDawson 2014 WR400 HilaryBird

2013 LM47 ZoeLeyland 2013 WR400 HilaryBird

2012 ST1 TerryCox 2012 WR400 HilaryBird

2011 LM40 AndyDingley 2011 WR400 HilaryBird

2010 WR32 BrynHawkins 2010 LM20 SuzanneGibbons

2009 WR32 BrynHawkins 2009 LM20 SuzanneGibbons


FIG3–TOBEREADINCONJUNCTIONWITHF600REGULATIONS

f600 handbook 2020 v2 - wordpress.com · drive cog must lie within 2” (50mm) of an imaginary line...

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