Renault 5 I Alpine group 2 (1976)

Source |
Development chain 1976: Renault 5 I Alpine 1982: Renault 5 I Alpine Turbo 1985: Renault 5 II GT Turbo 1991: Renault Clio I 16S 1993: Renault Clio I Williams |
Development level Group 4 Group 2 |
Specifications
| Group/Class | 2 | Homologation number: 1681, 5650 and A5019 | |||
| Years active | 1976 - 1982 | Homologation start: 1/8/1976, 1/4/1977 and 1/3/1982 Homologation end: 1/4/1977, 31/12/1981 and 31/12/1987 |
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| Engine | |||||
|---|---|---|---|---|---|
| Type | Renault Cleon-Fonte C1J, code 847, straight 4 cyl, 4 stroke, petrol engine | located front longitudinal, behind front axle | |||
| Capacity | 1397 cc | WRC: 1397 cc | |||
| Bore x Stroke (mm) | 76.0 x 77.0 | ||||
| Compression ratio | 10.0:1, 11.3:1 | ||||
| Output power - torgue | 140 HP / 8200 rpm | 16.1 kgm (158 Nm) / 4500 rpm | |||
| Main bearings | cast iron crankshaft with 5 main bearings 54.8mm diameter | connecting rod length between centers 128mm, big end bearing diameter 47.6mm, aluminium alloy piston with 42.5mm compression height | |||
| Materials | block: cast iron, 89mm bore spacing, 209mm deck height | cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers | |||
| Cams/valves | 1 camshaft in block with overhead valves (OHV), chain driven | 2 valves/cyl. - 8 valves total. 38.7mm inlet valve diameter, 34.5mm exhaust valve diameter. 24o angle between inlet valve and vertical, 24o angle between exhaust valve and vertical. 2 coil springs per valve | |||
| Aspiration | natural, 1 x Weber 32 DIR 58 carburetor | ||||
| Ignition | electronic, firing order 1-3-4-2 | ||||
| Cooling system | jacketed watercooled with pump, radiator, 252 mm diameter-4 blades (270mm diameter-10 blades) fan and thermostat | 6.3 lt | |||
| Lubrication system | wet sump | 3 lt | |||
| Transmission | |||||
| Type | front wheel drive | 5 speed manual gearbox, located in front of front axle | |||
| Gearbox ratios | 1st: 3.818/1 (42/11) 2nd: 2.235/1 (38/17) 3rd: 1.478/1 (34/23) 4th: 1.036/1 (29/28) 5th: 0.861/1 (31/36) R: 3.083/1 (37/12) |
1977, Group 2: 1st: 3.071/1 (43/14) 2nd: 2.250/1 (36/16) 3rd: 1.681/1 (37/22) 4th: 1.296/1 (35/27) 5th: 1.032/1 (32/31) R: 3.083/1 (37/12) 1980: vallable in group 1 |
1979, Group 2: 1st: 3.61/1 (47/13) 2nd: 2.40/1 (36/15) 3rd: 1.73/1 (33/19) 4th: 1.37/1 (33/24) 5th: 1.19/1 (31/26) R: 3.083/1 (37/12) |
1981+, 1st: 3.818/1 (42/11) 2nd: 2.176/1 (37/17) 3rd: 1.409/1 (31/22) 4th: 1.030/1 (34/33) 5th: 0.861/1 (31/36) R: 3.083/1 (37/12) |
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| Diffrential ratio | 3.875/1 (31/8) to 4.125/1 (33/8), | Hewland spiral bevel gears limited slip front differential | |||
| Clutch | dry single disk, 180mm diameter | ||||
| Chassis-body | |||||
| Type | steel monocoque Renault Type 1223 chassis with roll-cage. 3 door hatchback steel bodyshell with polypropylene front and rear bumpers | ||||
| Front suspension | double wishbones with coil springs, telescopic gas shock absorbers and anti roll bar 18.5mm diameter | ||||
| Rear suspension | trailing arm with torsion bars 22.5mm diameter as twin I beams, telescopic gas shock absorbers and anti roll bar 21mm diameter | ||||
| Steering system | rack and pinion (no servo) | 21.75/1, 17.5/1 | |||
| Brakes | front ventilated or solid disks of 228mm diameter with 1 cast iron piston caliper 48/54mm diameter. Rear drums 180mm diameter with 1 double piston caliper 22mm diameter, or solid disks 228mm diameter with 1 cast iron piston caliper 36mm diameter | dual circuit with DBA vacuum servo, adjustable ratio split front to rear | |||
| Dimensions | |||||
| length: 3.543 m (139.5") | width: 1.525 m (60.0") | height: 1.380 m (54.3") | |||
| wheelbase: Right: 2.412 m (95.0") Left: 2.442 m (96.1") |
front track: 1.294 m (50.9") | rear track: 1.270 m (50.0") | |||
| Rims - tires | 5.25" - 5.5" - 6" - 7" x 13" | Michelin TB, 155/70 SR 13, 16/53-13 (175/60 HR 13), 185/55-13, 215/55-13, 20/53-13 (225/45-13) | |||
| Weight | 850 kg | ||||
| Fuel tank | 38 lt. 1977+: 90 lt | ||||
| Drag coefficient | 0.38 | ||||
Results in WRC
Races
Works team:
- works: Elf Renault
- works1: Renault Elf Calberson
Season
| Entry | Rally event | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | MC | SVE Entry list |
POR | KEN | S.P | GRE | FIN | CAN | S.R | TdC | RAC | ||||
| Jean Ragnotti Jean-Marc Andrié |
works | 7th | drive shaft | |||||||||||||
| Guy Fréquelin Jacques Delaval |
works | elec trical | ||||||||||||||
| Jean-Pierre Nicolas Vincent Laverne |
works | drive shaft | ||||||||||||||
| Patrick Fourquemin Jacky Nogues |
dnf | |||||||||||||||
| Jean-Claude Briavoine Robert Schneck |
dnf | |||||||||||||||
| Ioannis Lekkas Vlachos |
dnf* | |||||||||||||||
| Alain Fournier | dnf* | |||||||||||||||
| Valle Lupetti |
dnf | |||||||||||||||
| Marc Wilmot Jacques Morel |
dnf | |||||||||||||||
| Total points () |
4 | 4 | ||||||||||||||
| Statistics | ||||||||||||||||
| Works starts/finishes | 10/1 | 1/0 | 3/0 | 2/1 | 2/0 | 2/0 | ||||||||||
*Group 1 entries
Source
Drawings
Source
Suspension
Source
page revision: 204, last edited: 02 Sep 2019 06:04

