1934 Mercedes-Benz W25 Record

n 1934, Caracciola succeeds in establishing several class records on the Gyon speed track in Hungary and on the Avus in a modified W 25. On 30October he establishes a world record, covering a measured mile in 30.71 seconds with a standing start. The performance of the record car wasincreased to 430 hp, its transmission ratios were changed, and its cockpit was equipped with a lining which made Caracciola dub the car racinglimousine, but apart from that, it had the same design features as a standard W 25 racing car. It achieved a speed of 317.5 km/h. — DaimlerChrysler

In Detail

tags silver arrow, golden era
submitted by Richard Owen
type Record Car
built at Stuttgart, Germany
engine M 25 B Inline-8
position Front Longitudinal
aspiration Supercharged
valvetrain DOHC 4 Valves per Cyl
displacement 3360 cc / 205.0 in³
bore 82 mm / 3.23 in
stroke 94.5 mm / 3.72 in
compression 7.5:1
power 320.7 kw / 430 bhp @ 5800 rpm
specific output 127.98 bhp per litre
bhp/weight 507.67 bhp per tonne
redline 5800
body / frame Aluminum over U-Section Steel Frame
driven wheels RWD
front tires 5.25×17
rear tires 5.25×19
front brakes Light -Alloy Drums w/Hydrualic Assist
rear brakes Light -Alloy Drums w/Hydrualic Assist
steering Worm & Nut
f suspension Double Wishbones w/Coil Springs, Friction Dampers
r suspension Swing Axle w/Transverse Leaf Springs, Friction Dampers
curb weight 847 kg / 1867 lbs
wheelbase 2725 mm / 107.3 in
front track 1473 mm / 58.0 in
rear track 1412 mm / 55.6 in
length 4040 mm / 159.1 in
width 1770 mm / 69.7 in
height 1160 mm / 45.7 in
transmission 4-Speed Manual
top speed ~318 kph / 197.6 mph