Home » Racing Sports Cars » Cunningham C4R
Source
See video
Specifications
3 units built
Click here and here and here and here
Analytical specifications and drawings
V8 (90o) cylinder
5425cc capacity
OHV with 2 valves per cylinder
Natural aspiration with 4 x dual-throat downdraft Zenith DD carburetors
Power output, 300 HP / 5200 rpm
Torque,
4 speed manual gearbox
final drive 3.36/1, hypoid helical gears rear differential
dry single plate clutch
steel tubular frame chassis, aluminium bodyshell
Front suspension, unequal length A-arms, coil springs, tubular shock absorbers
Rear suspension, live axle, coil springs, tubular shock absorbers
Worm and Roller steering
330mm diameter drum brakes all-round
Length 3937 mm (155")
Width 1626 mm (64")
Height 991 mm (39")
Wheelbase 2540 mm (100")
Track (fr/r) 1372 mm (54") / 1372 mm (54")
Cast magnesium rims 16"
Tire Size 7.00x16″
1150kg
Results in famous races (until 1952) and in WSCC (1953+)
| Car entry, chassis number | Car number/ result | ||||||||||
| Sebring | Mille Miglia | Le Mans | Targa Florio | Dolo miti | Good wood | Carrera Pan | |||||
| Date | 15/3 | 4/5 | 15/6 | 29/6 | 13/7 | 16/8 | 23/11 | ||||
| Team | 12h | 1600km | 24h | 576km | 300km | 9h | 3000km | ||||
| Briggs S. Cunningham, R5216 | #21, with drawn | #1, 4th | |||||||||
| Briggs S. Cunningham, R5217 | #3, eng ine | ||||||||||
| Briggs S. Cunningham, R5218 (RK) | #2, eng ine | ||||||||||
| Total points 7 |
7 | ||||||||||
| Statistics | |||||||||||
| Works Starts/finishes 4/1 | 1/0 | 3/1 | |||||||||
| Drivers | Team entries and car number | ||||||||||
| Briggs S. Cunningham | |||||||||||
| Phil Walters | 21 | 2 | |||||||||
| John Fitch | 21 | 3 | |||||||||
| Briggs Cunningham | 1 | ||||||||||
| William Spear | 1 | ||||||||||
| Duane Carter | 2 | ||||||||||
| George Rice | 3 | ||||||||||
Source
Source
Drawings
SourceAt Le Mans '52
Source