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F 308

 

 

Owners Manual / Manual de Usuario

 

 

 

Euroformula Open Technical Comision 
Comisión Técnica del Euroformula Open 

49/54 

Version 05 of 23 rd  April 2014 

Versión 05 de 23  de Abril  de 2014 

 

 

 
 

Brake master cilinders 
 

Besides the original master cylinder (Girling – ¾ ‘’), 
the following ones are also autorized: 
 

  AP ref. CP2623-91PRT115 – 17,8 mm, 19,1 

mm and 20,6 mm (with its reservoirs 
CP4709-12 -75 cc- and CP4709-11 -123 cc-

  Brembo ref. 109243.54 – 17,46 mm (with its 

reservoir 10.8687.10 -83 cc- ) 

  Brembo ref. 109243.74 – 19,0 mm (with its 

reservoir 10.8687.10 -83 cc- ) 

  Brembo ref. 109243.84 – 20,64 mm (with its 

reservoir 10.8687.10 -83 cc- ) 

 
When fitting any of the authorized master cylinders, 
the standard master cylinder support could be fitted 
with an spacer to properly install the steering sensor. 
This modification should be previously authorized by 
the F3 OpenTechnical Delegate. 

 

 

Bombas de freno 

 
Además de la bomba de freno original (Brembo ref. 
XA6.S2.13 – 19mm), se autorizan las siguientes: 
 
 

  AP ref. CP2623-91PRT115 – 17,8 mm, 19,1 

mm y 20,6 mm (con sus depósitos CP4709-
12 -75 cc- y CP4709-11 -123 cc-) 

  Brembo ref. 109243.54 – 17,46 mm (con su  

depósito 10.8687.10 -83 cc- ) 

  Brembo ref. 109243.74 – 19,0 mm ((con su  

depósito 10.8687.10 -83 cc- ) 

  Brembo ref. 109243.84 – 20,64 mm ((con su  

depósito 10.8687.10 -83 cc- ) 

 
Cuando se monte alguna de las bombas anteriores, 
se podrá suplementar el soporte de las bombas 
originales, para el montaje del sensor de dirección. 
Esta modificación deberá estar previamente 
autorizada por el Delegado Técnico del F3 Open. 

Brake discs 
 

For the Euroformula Open, the only authorized parts 
for the brake discs assembly are those delivered 
with the vehicle, that are the following: 
 

  Right disc: BREMBO Ref. 09ª26111  

  Left disc: BREMBO Ref. 09ª26121 

  Brake disc bell: BREMBO Ref XA6S140 

  Fixation bolt: BREMBO Ref. XA5K051 

  Washer: BREMBO Ref. XA6S197 

 

Discos de freno 

 

Para el Euroformula Open, las únicas piezas 
autorizadas para el conjunto de los discos de freno 
son las entregadas con el vehículo, a saber: 

 

  Disco de freno der:BREMBO Ref. 09ª26111  

  Disco de freno izq: BREMBO Ref. 09ª26121 

  Núcleo de disco de freno: BREMBO Ref 

XA6S140 

  Tornillo de fijación: BREMBO Ref. XA5K051 

  Arandela: BREMBO Ref. XA6S197 

Summary of Contents for F308

Page 1: ...Owner s Manual Manual de Usuario F 308 Version of 23 rd of April 2014 Versi n de 23 de Abril de 2014...

Page 2: ...ng 20 Direcci n 20 Rear suspension 20 Suspensi n trasera 20 Roll Center and anti settings 20 Centro de Balanceo y reglajes anti 20 Rear anti roll bar 22 Barra antibalanceo trasera 22 Replacement of th...

Page 3: ...de 2014 Starter 45 Motor de arranque 45 Transmision ratios 46 Relaciones de transmisi n 46 Brake calipers 47 Pinzas de freno 47 Brake pads 48 Pastillas de freno 48 Brake master cilinders 49 Bombas de...

Page 4: ...Gal n Spare parts manager D Luis Mayoral All the spare parts orders that are necessary to properly entertain and mainten the vehicle would be done through the Organizer and Promoter of the Championsh...

Page 5: ...al Manual de Usuario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 4 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014 GENERAL VIEWS OF THE F308 VISTAS GE...

Page 6: ...ido de abeja de tipo AL NOMEX Bodywork Glass fibre composite with Nomex tm honeycomb Carrocer a Fibra de vidrio pre impregnada con panel nido de abeja de NOMEX Gearbox Hewland sequential six forward g...

Page 7: ...Pushrod Lenght Use the pushrod adjuster to set the ride height Long Pushrod Use the pushrod adjuster to set the ride height Roll Center Setting A 1 Setting C de Balanceo A 1 ARB Kg mm 90 Kg mm Barra...

Page 8: ...nt difference between front and rear tyre temperatures Run the car always as low as possible although without going stiffer on springs for running lower General comments on car set up En curvas r pida...

Page 9: ...AJUSTE CONVERGENCIA Height change Variaci n Altura 3 37 mm Camber change Variaci n Ca da 18 3 1TURN 1 VUELTA Toe change Cambio Convergencia deg 37 72 45 27 Thread step Paso rosca 24 1 06 mm 20 R 24 L...

Page 10: ...on further in this manual For a guiven ride height the F308 front roll center is 15 mm higher than the F305 one Se dispone de calas de reglaje de ca da para el eje delantero de espesores 1 1 5 y 2 0 m...

Page 11: ...he front its length with respect to the static length value for the rear Remind that we strongly suggest not to use spring pre load on the rear axle Note Dampers always have some pre load typically th...

Page 12: ...e desired setting further correct for corner weights at this point Bring the droop stop in contact with the rocker Now turn the spring platform to achieve the desired pre load Para regular la precarga...

Page 13: ...t the spacer is now of 6 mm not as for the former vehicles for which i twas of 5 mm La altura del centro de balanceo delantero puede regularse mediante los casquillos de posicionamiento de la r tula d...

Page 14: ...F 308 Owners Manual Manual de Usuario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 13 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014...

Page 15: ...upright inclination angle apparent castor is 2 10 0 31 2 41 and the castor angle build in castor becomes 10 60 0 31 10 29 Cuando el veh culo est completamente plano altura de casco delantera y traser...

Page 16: ...hat the castor angle on the rear axle is other than for the bump steer control not relevant since the rear wheels are not turning El angulo trasero puede medirse para conseguir una mayor estabilidad d...

Page 17: ...IFF SETTING SOFT SETTING Drawings shows both motion ratio s El dibujo muestra las dos posibles configuraciones The TABLE below shows the motion ratios for all ARB s and different blades available RATI...

Page 18: ...blanda Stiff configuration Configuraci n r gida 270 1 187 0 998 245 1 207 1 012 221 1 227 1 027 170 1 272 1 058 115 1 324 1 093 Reglable ARB Barra antibalanceo regulable 5 holes ARB Barra5 Puntos Sof...

Page 19: ...sar el punto de fijaci n cercano al eje del balanc n Para un desplazamiento determinado de la ARB la RUEDA ha de desplazarse m s que en la configuraci n R GIDA Configuraci n r gida Usar el punto de fi...

Page 20: ...115 mm x x x x x ARB Barra Blade Cuchilla Position Posicion T 20x2 0 270 mm 1 2 3 4 5 6 5 7 1 8 7 10 8 11 5 245 mm 8 0 8 6 10 4 12 7 13 5 221 mm 11 0 11 8 13 5 17 0 18 0 170 mm 24 0 25 3 28 9 33 9 35...

Page 21: ...n ngulo Ca da Anti lift Anti levantamiento Antisquat Anti hudimiento To adjust castor Para ajustar el avance At Std Ride height A altura de casco estandard With 10 mm wheel travel Con 10mm de recorri...

Page 22: ...F 308 Owners Manual Manual de Usuario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 21 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014...

Page 23: ...399 4 The F 308 is equipped with two reglable linkages of 80 mm lenght for the rear anti roll bar Among the available bars the 40 mm one is the hardest and the 13 mm one the softest The next table sh...

Page 24: ...seal heat the parts with a heat air blower gun at 140 C NOTE Contact with GT Sport to obtain the tools E y F Sustituci n del balanc n El balanc n de articulaci n de la suspensi n trasera gira alrededo...

Page 25: ...um number of working friction faces It gives the maximum resisting torque The arrangement 3 has the minimum of working friction faces and gives the minimum resisting torque Las posibilidades de regula...

Page 26: ...tyle and weather conditions Excessive lock might result in power under steer Some amount of lock in off power helps to stabilize the rear end excessive lock might cause turn in under steer Las rampas...

Page 27: ...ferential casings are authorized Nota En la tabla se usan 2 4 6 caras de fricci n En realidad para el c lculo de la fuerza axial se tendr que utilizar el doble 4 8 16 respectivamente para tener en cue...

Page 28: ...l Euroformula Open 27 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014 The following parts are authorized Lightened differential casing FTRL 213 and differential cover FTRL 214 Se a...

Page 29: ...925 Both the front and rear dampers have the same piston shims and valves configuration the same dimensions and the same fitting parts The damper preload is aprox 8 9 kg due to the internal gas pressu...

Page 30: ...ario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 29 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014 KONI 2812 899 925 39 mm 315 mm Tighten to 55Nm Gra...

Page 31: ...the medium and high downforce one For this configuration the standard one the main plain is supposed to be set at 0 6 from the car s floor The references for the setting holes are shown at the pictur...

Page 32: ...s and the possible configurations from Dallara The setting holes references are also shown La nica configuraci n aerodin mica trasera de Dallara no autorizada para el F 308 en el Euroformula Open es l...

Page 33: ...R MIN MAX Only with Standar supports S lo con soportes Estandar LOW DOWNFORCE 1 10 For the F308 within the Euroformula open just the HDF High Down Force and LDF Low Down Force rear profiles are autori...

Page 34: ...5 6 7 2 8 9 10 11 12 13 3 14 15 16 17 18 19 4 20 21 22 23 24 25 Suggested aero settings Reglajes aerodin micos recomendados CONF REAR TRASERO FRONT DELANTERO CONF TOP WING ALA SUPERIOR TOP SETTING RE...

Page 35: ...al for the correct aero balance of the vehicle and consequently for the performances It is very important to consider the differences between the static values and those on the track El ngulo expresad...

Page 36: ...T cnica del Euroformula Open 35 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014 adjustments Top rear wing Perfil superior trasero 1 3 Hole Agujeros 0 9 Hole Agujeros Front ride he...

Page 37: ...oling and on the car s aerodynamic efficiency as is shown at the following table The only authorized way to adjust the cooling blanking is using adhesive tape Early April 2012 the FIA recommended a di...

Page 38: ...to re balance you should reduce the rear wing incidence by 0 5 75 rear top blanking 1 in order to re balance you should reduce the rear wing incidence by 1 Without rear top blanking 0 5 in order to re...

Page 39: ...el centrador quitando las seis tuercas A Extraer el semi buje externo utilizando dos tornillos M6x100 en las roscas B Retirar el circlip C Extraer el rodamiento de la mangueta Extraer el semi buje int...

Page 40: ...ners Manual Manual de Usuario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 39 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014 Front Upright Mangueta De...

Page 41: ...Owners Manual Manual de Usuario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 40 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014 Rear Upright Mangueta T...

Page 42: ...f engine oil while the engine is running can be measured as shown in this drawing Open the top cap and check if the oil level reaches 100 to115mm At this level the tank contains 4 5 l of oil Nivel de...

Page 43: ...Fuel tank system The fuel cell contains a maximum of approximately 45 5 litres including the collector filled The lay out of the system of the vehicle is that of the following drawing Dep sito de gas...

Page 44: ...ghts o Ackermann arms o Wheels 10 000 km o Brake disc bell o Wheel bearings o Wing supports 5 000km o Drive shafts o Drive shaft tripods Duraci n de las piezas Para mantener el necesario nivel de segu...

Page 45: ...l a maximum of 8 cm compared to the original part If the part is supplemented the extension will be made with an aluminium threathed extension See attached picture Retrovisores Se autoriza a sustituir...

Page 46: ...F30827H013 Ref Dallara 30337002 Transmision shaft F30827H014 Ref Dallara 30337006 Engine starter Support reference 2012 FCOM 0178 Engine starter Support reference 2013 FCOM 1509 Motor de arranque Los...

Page 47: ...16 23 18 25 17 23 19 25 18 23 20 25 18 22 21 25 19 22 24 27 19 21 24 26 18 19 2 STANDARD 3 4 5 6 Just the FTR gears are authorized not FTRL S lo est n autorizadas las relaciones FTR no las FTRL The on...

Page 48: ...dibujos adjuntos Los discos de freno al girar han de alcanzar primero al pist n de menor di metro de las pinzas For the Euroformula Open the only authorized parts for the brake discs assembly are thos...

Page 49: ...FERODO FRP 3103C and FRP3103 PROTOF3 with the usual identification marks of the Championship Attached the graph with the friction coefficient behavior of both references Pastilas de freno Las nicas pa...

Page 50: ...91PRT115 17 8 mm 19 1 mm y 20 6 mm con sus dep sitos CP4709 12 75 cc y CP4709 11 123 cc Brembo ref 109243 54 17 46 mm con su dep sito 10 8687 10 83 cc Brembo ref 109243 74 19 0 mm con su dep sito 10 8...

Page 51: ...when supplied by GT Sport are authorized OZ ATS Llantas Siempre manteniendo las dimensiones originales las llantas de los siguientes fabricantes si han sido suministradas por GT Sport est n autorizada...

Page 52: ...gearbox formed by two sheets of a 1 5 to 2 mm thickness with anti heat shield with the shape and approximate measures for F 308 that are shown below Modificaciones para la explotaci n Para el correct...

Page 53: ...F 308 Owners Manual Manual de Usuario Euroformula Open Technical Comision Comisi n T cnica del Euroformula Open 52 54 Version 05 of 23 rd April 2014 Versi n 05 de 23 de Abril de 2014...

Page 54: ...d April 2014 Versi n 05 de 23 de Abril de 2014 It is authorized to use the throttle potentiometer with reference 22A02017B appart from the initially sold with reference 22A02019A Se autoriza a la util...

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