Cunningham C4R group S (1952)

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See video


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

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″

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
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

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At Le Mans '52
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