Benz patent motor car (Model 1)

Combustion principle:
four-stroke
Configuration:
rear, horizontal
Number of cylinders / arrangement:
1 / horizontal, horizontal flywheel
Bore x Stroke:
90 x 150 mm
Total displacement:
954 cc
Compression ratio:
2.7
Rated output:
0.75 hp at 400 rpm
Number of valves / arrangement:
1 intake-guiding blade, 1 exhaust valve / vertical
Valve operation:
intake via eccentric rod, exhaust via cam disc, rocker arm and push rod
Fuel system:
Benz surface carburettor
Fuel tank: position / capacity:
not fitted (4.5 l fuel in the carburettor)

Frame design:
steel-tube frame
Front-wheel suspension:
1 front wheel in steering fork
Rear-wheel suspension:
rigid axle
Front springs:
not fitted
Rear springs:
full-elliptic springs
Steering:
rack-and-pinion steering, steering crank in centre of vehicle
Brake system (foot brake):
not fitted
Parking brake (hand brake):
band brake, acting on countershaft belt pulley
Wheels:
wire-spoke wheels; front 730 mm, rear 1125 mm
Tires:
solid-rubber tyres front and rear
Driven wheels:
rear wheels
Drivetrain:
1 flat belt from the engine to the countershaft with loose- and fixed-pulley set and integrated differential; one chain from the countershaft to each of the rear wheels