dallara F305, Manual

Page 1: ...ENSION Front 7 11 Rear 13 14 DIFFERENTIAL 15 16 DAMPERS 17 RIDE HEIGHT 19 AERODYNAMICS 20 24 COOLING 25 UPRIGHT ASSEMBLY 26 27 SYSTEMS Oil 28 Brakes 29 Fuel 30 Extinguishers 31 GEARBOX 32 SAFETY AND U...

Page 2: ...il F3 dallara it technical assistance Mr Jos Claes Email F3support dallara it spares Ms David Beck Email d beck dallara it On the Dallara web site www dallara it you can find useful information about...

Page 3: ...3 SIDE TOP VIEW OF THE F305...

Page 4: ...ferential springs Eibach 3 36mm ID dampers Koni 2812 bump and rebound adjustable fuel cell Premier FT3 extinguisher Lifeline electric operated steering wheel Sparco quick release SPA Design filters FI...

Page 5: ...5 315 315 315 Solid spacer mm 6 6 6 6 Push rod length mm use the pushrod adjusters to set the chosen ride height Roll centre setting STD LOWER STD LOWER Roll bar setting Roll pre load notches none non...

Page 6: ...eight change mm mono 1 18 twin 1 31 0 4mm camber change deg 5 3 toe change deg 0 2 SPRING PLATFORM 1TURN thread step mm 2 2 height change mm mono 1 85 twin 2 25 2 47 WHEEL SPRING RATIO vertical mono 0...

Page 7: ...erefore we advise to use for both mono and twin configurations the droop stop A Pre load in this text is considered to be the necessary force that has to be applied to the spring to change its length...

Page 8: ...Pitch angle 30 15 2710 x 57 29 0 32 Build in castor angle becomes 10 5 0 32 10 2 corresponding to a 2 07 measured apparent castor angle each change in front and or rear ride height alters the castor a...

Page 9: ...ille stack For any Belleville stack the rocker lateral motion and the chosen pre load should never reach the Maximum Deflection see Table below to avoid a sudden lateral locking of the rocker Once the...

Page 10: ...adjustment spacer Mark this platform position as the zero pre load notch Turn both left and right platforms the amount of notches to set the desired pre load One turn of platform is 15 notches corres...

Page 11: ...length has to be shortened by 1 2 register turns 7 faces of the adjuster to keep the car at the same ride height When adjusting the roll centre height camber gain versus wheel travel varies a little O...

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Page 13: ...are available from Dallara CFG Roll centre height Camber change Anti rise Anti squat To adjust caster adjust joint static ride height with 10mm wheel travel means longer A 1 std 20 7 49 B 2 18 16 7 49...

Page 14: ...3 110 5 121 8 131 6 148 7 158 7 3 4 17 3 22 6 35 7 61 0 79 6 88 7 106 9 123 0 137 2 149 8 172 3 185 9 3 5 17 5 22 9 36 6 63 5 83 9 94 2 114 9 133 8 150 7 166 0 194 2 211 5 4 4 17 8 23 4 37 9 67 5 91 0...

Page 15: ...the contact order of the friction discs The arrangement 1 with a disc succession A B A B A has the maximum number of working friction faces It gives the maximum resisting torque The arrangement 3 has...

Page 16: ...T 16 Check the plate arrangement is equal on both sides Side gear ring diff end plate diff wall and pre load spacer all act as B plates A bigger ramp angle transmits less thrust onto the plates than a...

Page 17: ...ly dimensions are mm full open length 315 full closed length FRONT 279 REAR 276 Stroke FRONT 36 REAR 39 On Koni dampers you should always use the 3mm Teflon spacer on front mono assembly to prevent th...

Page 18: ...een increased both passed the former 2812 140 minimum and passed the former maximum damping forces Koni has also managed to decrease internal friction The new damper also features a lower gas pressure...

Page 19: ...el axis With 2710mm wheelbase this gives 0 32 pitch angle 30 15 2710 x 57 29 0 32 At the front end of the car you have two alternative references Two platforms 527 0mm from car bottom on top of the tu...

Page 20: ...NG CONFIGURATIONS Note For medium downforce settings we propose a specific front flap more narrow than std flap for high downforce and ultra high downforce you can use the same front flap the std flap...

Page 21: ...21 REAR WING REARWING PROFILES REAR WING CONFIGURATION LDF MDF HDF UHDF REAR WING SIDEPLATE _____________________...

Page 22: ...tandard Flap A B C D E F G 1 10 11 12 13 14 15 16 2 17 18 19 20 21 22 23 3 24 25 26 27 28 29 30 4 31 32 33 34 35 36 37 REAR LOWER WING MIN MAX LOW DOWNFORCE 1 10 HIGH DOWNFORCE 7 18 use specific rear...

Page 23: ...ont ride height is 10mm and rear ride height is 24mm which corresponds to typical medium speed dynamic ride heights WING SETTING CONFIGURATIONS REAR FRONT CFG TOP TYPE TOP SETTING LOWER FLAP TYPE FLAP...

Page 24: ...ge Any chassis rake will alter this setting Front and rear ride height settings are fundamental to the aerodynamic balance and ultimate performance of the car Pay attention to the changes between stat...

Page 25: ...r top wing incidence or increase the front flap incidence see below The most efficient way of adjusting the cooling is the following CONFIGURATION EQUIVALENT INCREASE IN REAR HDF WING INCIDENCE withou...

Page 26: ...igot in position on the drive flange fit A screws washers and nuts and tighten to 41 Nm Caution this value is for 12K screws only Wheel stud removal a To reduce resistance to Loctite heat wheel stud a...

Page 27: ...27 HUB ASSEMBLY FRONT HUB REAR HUB...

Page 28: ...cuit More oil may cause excessive power consumption due to the oil squash Typically you would need a total of 4 5 litres to fit in the oil tank including the oil in the engine and hoses Check with the...

Page 29: ...29 BRAKE SYSTEM BREMBO BRAKE CALIPER ASSEMBLY Note the dark piston is the bigger in diameter from both The car features four different callipers TRAVEL DIRECTION BRAKE DISC ASSEMBLY...

Page 30: ...ed low pressure fuel pumps as a redundant caution in case one pump fails The driver can switch one or the other low pressure pump from the cockpit Available at Dallara is a SAFETY filling system with...

Page 31: ...d as the battery that powers it and the integrity of the wiring and its connections the tests should be performed before each race To check the battery press and hold up the power pack switch Every 2...

Page 32: ...To open the differential you have to remove the bearing in order to reach the bolts of the casing cover Use proper tools in order to avoid damaging the bearing and the diff cover IMPORTANT BASIC INFO...

Page 33: ...ofile for use as rear low downforce wing because these are not reinforced Use the specific wing profile available at Dallara when running the car with a rear ride height of 40mm or more check the heig...

Page 34: ...Pinion bearing nut 176 17 9 130 pinion shaft nut 135 13 8 100 Final drive bolts 73 7 5 55 Brake disc bolt 7 0 7 5 Brake caliper studs 50 5 1 37 Wheel nut 165 17 0 125 Wheel stud 245 25 0 180 Damper e...

Page 35: ...cc 61 0255 cubic inch Pressure 1 psi 0 0716 bar 1 kg cm2 1 019 bar 1 bar 105 Pa 0 1MPa 1 bar 13 95 psi Weight 1 ounce oz 28 35 grams 1 Kg 1000 grams 2 205 lb 1 pound lb 16 ounces 453 592 grams Speed...

Page 36: ...y after any major accident After first check or after any major accident it is mandatory to check the chassis every year in a centre recognised by FIA authority DALLARA is not responsible for damage c...

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