24h of Le Mans 1991
ALD C 91 # 7
Race
Team
Automobiles Louis Descartes (F) 
Car
ALD C 91
Number
7
Engine
Ford Cosworth DFR
Ranking
Retired
boite de vitesses, à Mulsanne (6eme heure)
boite de vitesses, à Mulsanne (6eme heure)
Type
3494 V8 à 90°
Class
Cat. 2
Tires
Goodyear
Chassis Number
C91/01
Number plate
Race
Drivers
Race Performance
Laps
16 laps
Distance
217.600 km
Average over 24 hours
Best lap
Avg.
Driver
Avg.
Driver
4:18.880
(189.120 km/h)
(189.120 km/h)
Pits stops
Time spent in the pits
Time spent in the pits
Maximun speed
249.000 km/h
Hour by hour classification
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
37
37
38
38
38
32
32
29
28
27
27
H13
H14
H15
H16
H17
H18
H19
H20
H21
H22
H23
H24
Qualifying
Position
33th
Best lap
Avg.
Driver
Avg.
Driver
3:59.343
(204.560 km/h)
Philippe de Henning (F)
(204.560 km/h)
Philippe de Henning (F)
Qualif 1
Best lap 1
5:01.149
Qualif 2
Best lap 2
3:59.343
Qualifying
Team / Car
Automobiles Louis Descartes (F)
| Nationality | France |
|---|---|
| Based in | Lagny-sur-Marne (France) |
| Founded in | 1983 |
| Owner / Director | Louis Descartes |
ALD C 91
| Motorist | Ford Cosworth (DFR (Langford et Peck)) |
|---|---|
| Engine | V8 à 90° en alliage léger, carter sec (Ex Ligier) Atmo Central arrière |
| Capacity (c.c.) Bore - stroke |
3494 cm3 (90 x 68.7mm) |
| Distribution | 2 arbre à cames en tête. 4 soupapes par cylindre. |
| Indiction system | Injection électronique |
| Ignition | Lucas |
| Torque | |
| Power bhp | 600 cv à 11 800 trs/min |
| Clutch | tri-disque carbone |
| Gear Box | Hewland DGB 6 speeds. |
| Chassis | Monocoque carbone et nid d'abeille |
| Body | fibre de verre et Kevlar carbone (Design : ALD) |
| Braking system / Brakes (Disc/Drum) | Lockeed 6 pistons Carbone de 355mm |
| Suspension / Shocks | Koni |
| Power steering | |
| Headlights | Koito |
| Weight | 814 kg |
| Tires | BBS Goodyear - Front : 25.5/12x17'' - Rear : 28.5/14.5x18'' |