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MYGALE

Technopole - 58470 Magny-Cours - France

Tel : +33 (0)3 86 21 86 21

Fax : +33 (0)3 86 21 86 22

56/58

5.0

A

NNEXES

5.1

T

IGHTENING TORQUES

(

GENERAL

)

General guideline for tightening torques for steel bolts:

METRIC
Coarse Thread Bolt

8.8

10.9

12.9

Thread

Pitch

Torque

Torque

Torque

Nm

Nm

Nm

M4

0.7

2.5

3.5

4.2

M5

0.8

4.9

6.9

8.3

M6

1

8.4

11.9

14

M8

1.25

20

28

34

M10

1.5

40

55

65

M12

1.75

70

100

115

M14

2

110

150

180

Fine Thread Bolt

8.8

10.9

12.9

Thread

Pitch

Torque

Torque

Torque

Nm

Nm

Nm

M8

1.0

22

30

36

M10

1.0

44

62

75

M10

1.25

42

59

72

M12

1.25

75

105

130

M12

1.5

70

100

120

M14

1.5

120

170

200

M16

1.5

180

250

300

M18

1.5

260

370

440

M20

1.5

360

510

610

IMPERIAL

Grade 5

Grade 8

Thread

Pitch

Torque

Torque

Lbs-ft

Lbs-ft

1/4

28 TPI

7

10

5/16

24 TPI

14

20

3/8

24 TPI

25

35

7/16

20 TPI

40

55

1/2

20 TPI

60

85

9/16

18 TPI

85

120

5/8

18 TPI

120

170

These values should be used where a different torque value is not specified.
This data refer to a friction coefficient = 0.1 (lubricated). For different friction values the data can
change considerably. For example, considering a friction of 0.14 the preload will decrease by about 7%
while the torque force will increase about 25%.

Conversion factors:



Lbs-ft x 1.356 = Nm



Nm x 0.7376 = Lbs-ft

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Содержание M14-F4 FORD

Страница 1: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 Version V1 2 MYGALE M14 F4 FORD MSA FORMULA USER MANUAL ...

Страница 2: ...13 Gear box ratios 36 3 14 Data acquisition 37 3 15 Brake pads 37 3 16 Steering system adjustments 38 4 0 ASSEMBLY AND MAINTENANCE 39 4 1 Engine 39 4 2 Transmission 39 4 3 Steering System 40 4 4 Hub Assembly 42 4 5 Bottom Front Wishbones 43 4 6 Wheel Cables 43 4 7 Heat protection 44 4 8 Brake line protection 44 4 9 Electricity 44 4 10 Wings 44 4 11 Head restraint 45 4 12 Monocoque Chassis and Cras...

Страница 3: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 3 58 1 0 CAR VIEWS 1738 4341 958 ...

Страница 4: ...ang mm 1000 Rear overhang mm 600 Front overall width mm 1725 Rear overall width mm 1715 Front track mm 1493 5 Rear track mm 1430 4 Front wing assy width mm 1400 Rear wing assy width mm 898 depending tyres 2 2 WEIGHT The minimum allowed weight is specified by sporting regulations of the championship The weight of the car should be adjusted by mean of appropriate ballast to ensure that the specified...

Страница 5: ...1 Fax 33 0 3 86 21 86 22 5 58 2 3 SUPPLIED PARTS PARTNERS Gearbox driveshaft Sadev Steering rack Titan Springs dampers Sachs Fuell cell fuel pump Premier Fuel Brake pads Ferrodo Brake discs callipers Brembo Extinguisher OMP Harness TRS Motrosports Rims Team Dynamics ...

Страница 6: ...4 Castor Offset ground mm 31 23 King Pin deg 15 46 King Pin Offset wheel centre mm 69 1 King Pin Offset ground mm 15 4 Damper Spring Wheel ratio 0 68 0 71 Anti Roll Bar deg Wheel ratio 0 69 0 48 Anti Dive 14 45 22 13 Ackermann deg 19 9 Roll Center Z mm 17 8 34 5 Mechanical Trail1 mm 30 87 1 Mechanical Trail The perpendicular distance in side elevation between the steering axis and the centre of ty...

Страница 7: ...which is a maximum of 5mm below the reference plane and minimum 2mm The diagrams refer to the dimensions from the chassis reference point to the reference plane At the front two ride height adjustment screws F 41 35 001 must be fix on the two reference pads which are machined into the upper surface of the monocoque and are accessible with the damper cover removed At the rear the reference surfaces...

Страница 8: ...t up front and rear ride height values at the level of the front and rear axle centre lines H1 and H2 respectively use the following calculation X1 A1 cos α B1 sin α H1 X2 A2 cos α B2 sin α H2 Dimensions in mm Where α is the car pitch angle α arcsin H2 H1 2741 6 in rad B1 165 369 A2 A1 441 B2 230 X1 X2 ...

Страница 9: ...the ride height by 5 70mm For 1mm ride height 1 6 turn on the adjuster Rear Lengths ball centre to ball centre for a 30mm ride height Pushrod 527 5mm 1 face on the adjuster changes the ride height by 1 00mm 1 turn on the adjuster changes the ride height by 6 00mm For 1mm ride height 1 6 turn on the adjuster Front ride height adjustment Lengthen adjuster to raise car Shorten adjuster to lower car R...

Страница 10: ...MCA 25 41 Base settings 8 21 22 81 Base set up length wishbone ball centre to ball centre 556 4mm 578 9mm The Castor angle influences the Castor Offset the Mechanical Trail and therefore the force to turn the wheel Castor Offset mm The distance in side elevation between the point where the steering axis intersects the ground and the centre of tyre contact The offset is considered positive when the...

Страница 11: ...70 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 11 58 Castor adjustment Adjust the castor angle with the rod end bearings as shown in the following pictures Front castor adjustment Rear castor adjustment ...

Страница 12: ...ng the fixing bolts and adding or removing shims between the steering arm and the upright A change of shim has no influence on the toe setting Front Rear similar Available shims Part Number Description F 41 14 055 A Camber shim 1 mm F 41 14 056 A Camber shim 1 5 mm F 41 14 057 A Camber shim 2 mm F 41 14 058 A Camber shim 4 mm Front Recommended base setting 3 3 2mm of shim Adjustment 0 325 mm 1 5mm...

Страница 13: ...nal axis of the vehicle and toed out if turned away Checking the distance between the wheel forward and rearward points in the front suspension is possible to measure the Toe The Toe can be measured with the following formula Toe B 2 A 2 The correlation between degrees and the value B 2 A 2 is B 2 A 2 mm Toe deg 18 3 12 2 6 1 0 0 6 1 12 2 18 3 In this table negative toe corresponds to toe out posi...

Страница 14: ...centre to ball centre Front trackrod assembly 474 9mm for toe 0 and 0mm 1 turn on the bearing 3 84mm 1 face turn on the bearing 0 64mm For 1mm toe 1 6 faces bearing Rear trackrod assembly 478 7mm for toe 0 and 0mm 1 turn on the adjuster 4 70mm 1 face turn on the adjuster 0 43mm For 1mm toe 2 4 faces adjuster Rear toe adjustment Front toe adjustment ...

Страница 15: ... 21 Fax 33 0 3 86 21 86 22 15 58 3 2 5 SUSPENSION POINTS Front suspension points The following picture shows the mandatory position of the front upright points Fixation points Steering arm position Ref F 41 14 064 B x2 Ref F 41 14 063 B x4 Spacer Ref F 41 14 097 A ...

Страница 16: ...1 86 21 Fax 33 0 3 86 21 86 22 16 58 Rear suspension points The following picture shows the mandatory position of the rear wishbone brackets 2nd hole from the bottom Lower position Upper position Middle position Fixation points Fixation points Fixation points ...

Страница 17: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 17 58 The following picture shows the mandatory position of the rear upright points Ref F 41 14 063 B x4 ...

Страница 18: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 18 58 3 3 KINEMATICS GRAPHICAL REPRESENTATION All the following graphs represent the kinematics in standard setup ...

Страница 19: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 19 58 ...

Страница 20: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 20 58 ...

Страница 21: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 21 58 ...

Страница 22: ... Damper travel Wheel rate Spring rate MR Wheel travel In baseline position DAMPER FRONT 0 68 ROLL BAR FRONT 0 69 DAMPER REAR 0 71 ROLL BAR REAR 0 48 3 4 SPRINGS Front and rear suspension springs are common sizes Part Number F 41 14 022 A F 41 14 024 A F 41 14 026 A Stiffness lbs inch 600 800 1000 Stiffness N mm 106 141 176 ...

Страница 23: ...le 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 23 58 3 5 DAMPERS 3 6 1 FRONT SUSPENSION DAMPERS The standard front damper is the Sachs F4 non adjustable front damper reference F 41 14 103 A ...

Страница 24: ...Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 24 58 3 6 2 REAR SUSPENSION DAMPERS The standard rear damper is the Sachs F4 non adjustable rear damper reference F 41 14 029 A ...

Страница 25: ...aining screw of the adjustment clevis must be unscrewed and the clevis moved up or down until the setting position is reached 3 6 1 ANTI ROLL BARS ADJUSTMENT Various stiffness of anti roll bar are available To eliminate pre load in the anti roll bar the length of the adjuster assembly connecting the anti roll bar to the rocker should be shortened or lengthened to suit Shorten lengthen by turning a...

Страница 26: ... 765 N mm Ø14 352 501 681 928 1271 Ø18 621 912 1257 1764 2504 Here the anti roll bar rate graph from the different anti roll bar diameters and positions 0 500 1000 1500 2000 2500 3000 0 1 2 3 4 5 6 Anti roll bar rate N mm Blade position see picture Anti roll bar rate f blade position N mm D12 D14 D18 ARB currently available Standart ARB Ø14 Optionnals ARB Ø12 and Ø18 ...

Страница 27: ...ront wing set up Set up the front wing main plate at the desired position Adjust the front wing end plate to be parallel to the reference plane Evolution of downforce coefficient SCz drag coefficient SCx and balance with front wing main plane angle Delta wing angle Delta SCx Delta SCz Delta balance 1 0 06 4 6 Standard specification includes a gurney on the trailing edge on each lateral extremity o...

Страница 28: ...in plate with the reference plane red line Upper wing Lower wing Standard position 5 0 Range 0 15 0 4 Rear wing set up Set up the lower wing at the desired position Adjust the rear wing end plate to be parallel to the reference plane Set up the upper wing at the desired position by using the adjusting holes 12 9mm Frt Rr 5 Frt Rr 0 Ref plane Ref plane ...

Страница 29: ...rag coefficient SCx and balance with rear wing angles Delta wing angle Delta SCx Delta SCz Delta balance Upper wing 2 5 0 006 0 034 2 5 Lower wing 1 0 001 0 011 0 8 3 8 BRAKE BIAS Range 11 turns Adjustment more front brake turn left A spacer ref F 41 11 045 A is available as an option for the brake bias control Teams are allowed to adjust its length to optimize driver comfort ...

Страница 30: ...6 21 86 21 Fax 33 0 3 86 21 86 22 30 58 3 9 PEDAL BOX ADJUSTMENT According to the driver feeling the width of the brake pedal can be adjusted by the team It is possible to cut the shaded area below For ergonomic reasons 5 Pedal Box s positions are available ...

Страница 31: ...on Position 1 Position 2 Position 3 F 41 11 029 B Short spacer pedal stop F 41 11 017 C Master cylinder rod prolongator setting 1 F 41 11 056 A Long spacer pedal stop F 41 11 018 C Master cylinder rod prolongator setting 2 F 41 11 029 B Short spacer pedal stop F 41 11 031 A Short pedal stop rest bF 41 11 019 C Master cylinder rod prolongator setting 3 ...

Страница 32: ... be cut at the right length once the pedal box is correctly positioned for the driver F 41 11 020 C Master cylinder rod prolongator setting 4 F 41 11 031 A Short pedal stop rest F 41 11 056 A Long spacer pedal stop F 41 11 032 A Long pedal stop rest F 41 11 021 C Master cylinder rod prolongator setting 5 F 41 11 056 A Long spacer pedal stop ...

Страница 33: ... 8 Wheelbase mm 2742 Track mm 1725 1715 Suspensions Pushrod position Dampers Type Sachs non adjustable Sachs non adjustable Bump pos Rebound pos Springs Stiffness lbs in 800 800 800 800 Preload mm 4 7 4 7 0 0 Anti roll bar Diameter mm 14 14 Blade set up mm 3 3 3 3 Tyres Type Pressure cold bar Pressure hot bar Brakes Master cylinder 0 625 0 75 Balance Pads DS PERFO DS PERFO DS PERFO DS PERFO Wings ...

Страница 34: ...er and in the cockpit under driver s legs bottom view of monocoque Standard ballasts Monocoque ballast cockpit 5 Kg plate F 41 18 008 A ballast F 41 18 010 A bracket Monocoque ballast splitter 2 Kg plate F 41 18 011 A ballast F 41 18 012 A bracket 970 9mm Cockpit ballast fixing points Maximum allowed 16Kg bracket and screws included 512 6mm Splitter ballast fixing points Maximum allowed 6 5Kg brac...

Страница 35: ...3 12 PADDLE SHIFT Paddle shift user manual To engage 1st gear when neutral N is displayed on the dashboard push Neutral N together with shift paddle UP To return to neutral when 1st gear 1 is displayed on the dashboard push Neutral N together with shift paddle DOWN Push N Push UP Push N Pull DOWN ...

Страница 36: ...al N together with shift paddle DOWN 3 13 GEAR BOX RATIOS The standard gearbox build specification is Differential free open with no limited slip CWP ratio 10 31 Gear ratios 1st 14 37 2nd 18 35 3rd 18 28 4th 21 27 5th 20 22 6th 27 26 The gear ratios are drawn on the following graph 3000 4000 5000 6000 7000 8000 0 50 100 150 200 250 Revs tr min Speed km h Push N Pull DOWN ...

Страница 37: ...Front and rear brake pressure Lap timer Gear Throttle pedal Smarty camera 3 15 BRAKE PADS The standard fit brake pads are the Ferrodo DS performance reference F 41 17 004 A are identical front and rear Other brake pads are available in option Ferrodo DS3000 reference F 41 17 007 A Ferrodo DS1 11 reference F 41 17 008 A New brake pads must always be bedded following Ferrodo bedding recommendation H...

Страница 38: ...ht of the steering column can be adjusted by changing the position of the bracket on the monocoque Spacers for the steering wheel are available as optional parts to adjust the longitudinal position of the steering wheel reference F 41 16 003 B It is also possible to cut the steering rack stop to adjust maximum steering angle Adjustment ...

Страница 39: ...idual engine lease contracts must be adhered to 4 2 TRANSMISSION 4 2 1 GEAR BOX The Sadev SL75 14 LW F4 gearbox is homologated for use in the Mygale M14 F4 No other gearboxes have passed a rear impact crash test Clutch shaft specification depends on the gearbox manufacturer and the type of engine For all information regarding build and maintenance gearbox customers should refer to the Sadev user m...

Страница 40: ...is supplied by Sadev For safety reasons right and left driveshafts must not be inverted Driveshaft angles are given for 2 5 negative camber face viewed 4 3 STEERING SYSTEM The steering rack and steering column are homologated components which may not be modified 4 3 1 STEERING RACK Tightening torque to ensure the steering rack movement 34Nm ...

Страница 41: ...altered by adjustment of the length of the collapsible device The upper and lower parts of the column are joined by a splined sliding section held together axially by a capscrew which tightens against the collapsible device If disassembled must be reassembled with grease Section of the steering column assembly 4 3 3 STEERING COLUMN JOINT For safety reasons it is recommended to thoroughly inspect t...

Страница 42: ...FRONT AND REAR HUB ASSEMBLY The uprights wheel bearings wheel drive pegs and lock nuts are identical front and rear At the front the front stud is fitted in the wheel bearing At the rear the driveshaft is fitted directly in the wheel bearing Wheel stud Wheel bearing Wheel peg Upright Brake disc Loctite 270 Loctite 270 ...

Страница 43: ...awing below is over than 1mm the wishbone must not be used To avoid the flexing do not ratchet strap the car in the truck do not lift the car by the wishbone In the case of a damaged ball Mygale proposes a staking bearing joint replacement F 41 14 121 A 4 6 WHEEL CABLES It is recommended to replace cables if one or more of the following conditions is met The cable has been on the car for 12 months...

Страница 44: ...e line it is recommended to replace the heat shrink sheat covering in the area of the wishbone when it is damaged 4 9 ELECTRICITY 4 9 1 BATTERY To ensure a good life time for the battery it is recommended to charge it at the reception of the car and to charge it every 6 month when you don t use it 4 9 2 COCKPIT SWITCH PLATE 4 10 WINGS For reliability reasons it is highly recommended to replace the...

Страница 45: ...ions must be performed by an approved entity Before any modification or reparation you must contact Mygale However the team is allowed to change the nose cap The nose cap must be properly assembled with the fixations clipped securely on the main part of the crash box Moreover it is important to stick the nose cap on the crash box with four silicone points 4 13 BODYWORK REPAIRS Teams are allowed to...

Страница 46: ... and electrical switch stickers in this area according to regulation Eventually Mygale proposes an extinguisher refill ref F 41 19 059 A 4 16 MARKINGS AND HOLOGRAMS Laser markings and holograms stickers must stay always visible and in any case must be covered by painting or sticker Furthermore the holograms stickers must not be removed 4 17 SCREWS The screws which are classified as type 2 can be m...

Страница 47: ...ump can be attached to the drain hole by removing the dash cap on the fuel tank plate It is also necessary to open the filler cap while draining Be careful not to damage the thread by over tightening the cap Capacity 48 litres 4 18 3 FUEL ASSEMBLY The fuel pump assembly is composed of the fuel pump with its connector inside the fuel tank buffer body and two 5 bar pressure regulators In the bottom ...

Страница 48: ...1 86 21 Fax 33 0 3 86 21 86 22 48 58 4 18 4 SEALING After all the gearbox and electric cables are insert in the coque you must add expanded foam in the passage circled in red so as to ensure a sealing 4 19 COOLING SYSTEM 4 19 1 MAIN WATER CIRCUIT Expanded Foam ...

Страница 49: ...chnopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 49 58 4 19 2 HEADER TANK CIRCUIT 4 19 3 OIL CIRCUIT Nota The two extensions surrounded in red on the picture can be cut by the team ...

Страница 50: ... catch tank is fitted in the car with its bracket on the monocoque rear face To avoid any risk of oil in the water circuit ensure that the catch tank hoses do not end at the bottom of the catch tank The recommended position of hoses is at the middle height of the catch tank see following picture 4 19 5 AIR CIRCUIT ...

Страница 51: ...22 51 58 4 20 FILLING FLUIDS The recommended quantities must always be respected Designation Quality Quantity Engine Oil 10W40 or 10W50 4 5 to 5 L Gear box Oil 75W140 1 3 L Water cooling Anti freeze 5 L 50 extract 50 water Brake fluid Clutch release fluid 2 L Fuel Unleaded 98 or 95 48 L ...

Страница 52: ... ADR Accident Data Recorder can be fitted in the car This ADR can be mounted under the extractable seat reference F 41 19 030 A as explained on the following picture 4 22 EXPLOITATION TOOLS 4 22 1 JACK BAR About the teams who want to build their own jack bar Mygale provides some dimensions to them FRONT DIMENSIONS Front Wing ...

Страница 53: ...MYGALE Technopole 58470 Magny Cours France Tel 33 0 3 86 21 86 21 Fax 33 0 3 86 21 86 22 53 58 REAR DIMENSIONS Rear jack plate ...

Страница 54: ...c set up tools are for sale on the spare parts catalogue Tools to adjust parallelism are available Front parallelism bar F 41 35 026 Rear parallelism bar F 41 35 027 We also propose false wheels which help you to set your car The height of this part is adjustable so as to simulate your real wheel False wheel F 41 35 066 The references of the adjusters are 1mm adjuster F 41 35 032 2 mm adjuster F 4...

Страница 55: ...86 21 86 22 55 58 4 22 3 VARIOUS TOOLS Mygale is able to propose useful tools like Body support trestles F 41 35 054 Steering wheel support F 41 35 127 Fuel filler cask F 41 35 105 and it support F 41 35 110 Holding key F 41 35 060 and socket to fix your wheels studs F 41 35 124 ...

Страница 56: ...2 75 M10 1 25 42 59 72 M12 1 25 75 105 130 M12 1 5 70 100 120 M14 1 5 120 170 200 M16 1 5 180 250 300 M18 1 5 260 370 440 M20 1 5 360 510 610 IMPERIAL Grade 5 Grade 8 Thread Pitch Torque Torque Lbs ft Lbs ft 1 4 28 TPI 7 10 5 16 24 TPI 14 20 3 8 24 TPI 25 35 7 16 20 TPI 40 55 1 2 20 TPI 60 85 9 16 18 TPI 85 120 5 8 18 TPI 120 170 These values should be used where a different torque value is not sp...

Страница 57: ... Wheel bearing 12 x 1 5 115 11 7 85 Loctite Rocker bolts 10 x 1 5 65 6 6 48 Lower wishbone outer bearing 3 8 24 UNF 35 3 6 26 Suspension bearings 8 x 1 25 34 3 5 25 Suspension brackets 8 x 1 25 34 3 5 25 Wheel cables 8 x 1 25 34 3 5 25 Gear box clutch Bell housing Clutch 8 x 1 25 34 3 5 25 Bell housing lower 12 x 1 75 115 11 7 85 Bell housing upper 10 x 1 5 65 6 6 48 Gearbox 10 x 1 5 65 6 6 48 Bra...

Страница 58: ... this period Mygale recommends to replace all the parts exposed to a possible fatigue weakening It is strongly recommended to replace all the parts that could be affected damaged after a major crash or accident The wear parts have to be replaced according to the holder s appreciation Moreover all the competition parts cannot be covered by any contractual guarantee MYGALE CONTACT LIST Web site www ...

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