24h of Le Mans 1971
PORSCHE 917 K # 19
Race
Team
John Wyer Automotive Engineering Ltd (GB) 

Car
PORSCHE 917 K
Number
19
Engine
Porsche 912
Ranking
2nd
Type
4907 F12
Class
S (2nd)
Tires
Firestone
Chassis Number
917-031
Number plate
Drivers
Race Performance
Laps
394 laps
Distance
5308.340 km
Average over 24 hours
221.180 km/h
Best lap
Avg.
Driver
Avg.
Driver
3:24.200
(237.450 km/h)
(237.450 km/h)
Pits stops
Time spent in the pits
Time spent in the pits
Maximun speed
Hour by hour classification
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
7
7
7
7
5
3
2
2
2
2
2
5
H13
H14
H15
H16
H17
H18
H19
H20
H21
H22
H23
H24
3
3
2
2
2
2
2
2
2
2
2
2
Qualifying
Position
11th
Best lap
Avg.
Driver
Avg.
Driver
3:22.200
(239.800 km/h)
Richard Attwood (GB)
(239.800 km/h)
Richard Attwood (GB)
Qualif 1
Best lap 1
3:24.900
Qualif 2
Best lap 2
3:22.200
No photo available
Team / Car
John Wyer Automotive Engineering Ltd (GB)
Nationality | United Kingdom ![]() |
---|
PORSCHE 917 K
Motorist | Porsche (912) |
---|---|
Engine | 12 cylindres à plat, bloc et culasse en aluminium, carter sec, vilebrequin en acier forgé à 8 paliers, bielles en titane, rapport volumétrique 10,5 à 1 Atmo central arrière |
Capacity (c.c.) Bore - stroke |
4907 cm3 (86 x 70,4mm) |
Distribution | arbres à cames en tête entrainés par pignons 4 arbre à cames en tête. 2 soupapes par cylindre. |
Indiction system | injection mécanique Bosch |
Ignition | Double allumage Bosch |
Torque | 570 Nm à 6400 tr/min |
Power bhp | 600 cv à 8400 tr/min |
Clutch | tri-disques mécanique Borg and Beck |
Gear Box | Porsche synchronisés 5 speeds. |
Chassis | Multitubulaire en aluminium |
Body | coupé en sandwich PVC-epoxy, collé au chassis |
Braking system / Brakes (Disc/Drum) | Girling à 4 pistons ventilés en acier |
Suspension / Shocks | Combinés ressort hélicoïdaux, amortisseurs à gaz Bilstein et barres antiroulis |
Power steering | |
Weight | 940 kg |
Tank | 115 litres |
Tires | Firestone |
Dimensions
Length | 3960 mm | Width | 2216 mm |
---|---|---|---|
Height | 926 mm | Wheelbase | 2300 mm |
Front track | Rear track |