ABC stands for aluminium, brass and chrome. Aluminium with its low thermal expansion and small weight serves as material for pistons, the cylinder is made

of brass with chrome-plated contact surface.

Axle leg

This is where the axle turns. The steering levers are located on the front axle legs.

Steering knuckle pin

Steering axle of the wheel. Connects the axle leg with the axle leg support so that it can be turned (between the top and bottom transverse link).

Spindle

The axis onto which the wheel is screwed and around which the wheel turns.

Ackermann effect

To adjust the progressivity of the steering angle of the wheel on the inside of the curve (Ackermann effect), the steering links can be reset to other steering

points both in the steering arms and in the steering plate.

Chassis

The "frame" of the vehicle, strictly speaking only the bottom support plate.

CVD drive shaft

A shaft which on one side engages the attachment on the differential with a steel pin and which on the other side is connected to the axle without tolerance via

a cardan joint for low wear. This way the wheel can turn even at a great steering angle (strongly angled shaft).

Damper plate

The upper end of the shock absorber at the left and right of an axle is screwed to the damper plate at the front or at the rear. The shock absorbers are thus

somehow interconnected via the damper plate.

Differential

Differential gear. Equalizes the different revolution speeds, e.g. between the wheel on the inside of a bend and the outside of a bend.

Butt screw

Regulates the minimum air supply to the carburettor in idle speed

Receiver

Receives and "translates" the control signals from the remote control (direction and intensity) for the servo and the speed controller.

Throttle/brake servo

This servo controls the slide carburettor as well as the disc brakes

Transmission

Transmits the rotational speed of the engine in the drive section to the rotational speed of the driven wheels. The transmission ratio (rotational speed of engine/

wheel rotation) provides information about the final speed and the torque.

Main jet needle

Regulates the fuel supply to the carburettor

Steering servo

Servo engine that carries out mechanical control functions via a lever. This servo effects steering via the steering links. A servo saver integrated in the servo

control lever protects the servo from damage that can be caused by hard shocks transmitted through the wheels via the steering links to the servo transmis-

sion.

Air filter

The air filter is made of foam. It prevents dust or dirt from entering the carburettor or the engine through the suction hole. To filter out even small dust particles,

the air filter always has to be oiled sufficiently (air filter oil). Otherwise, dust and dirt will get into the cylinder and destroy the engine!

Oil pressure shock absorbers

The shock absorber consists of a coil spring with a piston in an oil-filled cylinder running up and down at the centre. The coil spring is supported by a plate on

the end of the piston rod and a knurled nut/distance ring on the outer side of the cylinder. The spring pre-tension can be adjusted by turning the knurled nut/

the distance rings of various thicknesses. The springs absorb the travel of the axel halves when driving on uneven ground. The spring retraction/protrusion is

inhibited by the piston running through the oil. By selecting different dampening oils the dampening properties can be varied. The shock absorber is mounted

between the damper plate at the top and the lower transverse link. The deflection travel is limited by a plastics sleeve.

Transverse link

Full-floating axle transverse to the direction of motion; connects the wheel suspension (spindle, axle leg and steering knuckle pin) with the chassis.

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