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Video History-Suspension 1
Video History-Suspension 2
Video History-Suspension 3
Video History-Suspension 4
Video History-Suspension 5
Video History-Suspension 6
Video History-Suspension 7

Video Undercarriage 1
Video Undercarriage 2
Video Steering Wheel 1
Video Steering Wheel 2
Video Steering Lock
Video Steering
Video Safety Steering
Video Rack Pinion Steering
Video Steering Ratio 1
Video Steering Ratio 2
Video Steering Ratio 3
Video Ball Steering
Video Worm Roller Steering
Video Hydraulic Power Steer. 1
Video Hydraulic Power Steer. 2
Video Electr. Power Steer. 1
Video Electr. Power Steer. 2
Video Electr.-hydraulic Pump
Video Torque (power steer.)
Video Electr. Stab. Program
Video Finger Steering
Video One-piece Track Rod
Video Four Wheel Steering 1
Video Four Wheel Steering 2
Video Four Wheel Steering 3
Video Dry Joint
Video History
Video Suspension control 1
Video Wheel positions
Video Suspension
Video Spring systems
Video Electr. Air Suspension
Video Center of Gravity
Video Oblique/lateral drift angle
Video Elasto-kinematics
Video Elk Test
Video Wheel Bearing 1
Video Wheel Bearing 2
Video Wheel Bearing 3
Video Wheel Bearing 4
Video Ind. pulse sensor
Video Wheel sensor 2
Video Transversal Axis
Video Suspension Carrier
Video Below View
Video Adj. suspension
Video Stabilizer 1
Video Stabilizer 2
Video Double-wishbone 1
Video Double-wishbone 2
Video Double-wishbone 3
Video Air suspension truck
Video McPherson Strut 1
Video McPherson Strut 2
Video McPherson Strut 3
Video McPherson Strut 4
Video Trailing Arm
Video Twist-beam Rear Axle
Video Space Arms
Video Multilink Axle
Video Semi-trailing Arm Axle
Video Rear-wheel Drive
Video Electr. Stab. Program
Video ABS/ESP-Hydr. Unit
Video One-arm Swing. Fork
Video Formula-3 Racing Car
Video Pend. Wheel Suspen.
Video Torson Crank Suspen.
Video DeDion Axle 1
Video DeDion Axle 2
Video Rigid Axle 1
Video Rigid Axle 2
Video Rigid Axle 3
Video Rigid Axle 4
Video Rigid Axle 5
Video Self steering axle
Video Track rod joint
Video Springs
Video Coil Spring 1
Video Coil Spring 2
Video Coil Spring 3
Video Leaf Spring
Video Torsion Bar Spring
Video Rubber Suspension
Video Hydropn. Suspension
Video Air Suspension 1
Video Air Suspension 2
Video Shock Absorber 1
Video Shock Absorber 2
Video Shock Absorber 3
Video Shock Absorber 4
Video Shock Absorber 5
Video Single-tube Damper 1
Video Single Tube Damper 2
Video Double-tube Damper
Video Shock Absorber Piston
Video Friction Absorber
Video Tyres
Video Wheel Positions

Video Tyre Calculation
Video Inch -> mm
Video Slip
Video Axle Load Distrib.
Video Payload Distrib.
Video Roller Resistance 2

Video Wheel suspension 1
Video Wheel suspension 2
Video Wheels 1
Video Suspension 1
Video Suspension 2
Video Suspension 5
Video Steering 1
Video Steering 2

          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Coil spring


In motor cars, the coil spring has almost completely edged out all other spring types. This has a lot to do with the compact construction form. It can, e.g., be wrapped around the shock absorber. Even though the torsion bar spring requires very little space in an axle tube, firstly, longer tubes in the axle construction have become rarer, and secondly, the torsion bar spring is not available with progressive performance.
In contrast to the leaf spring, the the coil spring can not take over functions of the wheel suspension. So it is from the manufacturer required additional effort for possibly longitudinal or lateral arm. One can clearly see this on the rigid axle with leaf- or helical springs.

Helical springs are also made of carbon fiber


A coil spring is basically, a torsion bar spring which is formed on both ends thus, that a fairly level surface is achieved for the spring-seat. Consequently, torsion (twisting) demends are also made on the wire of the coil spring. The compression limitation of the spring is, as a rule clearly defined. The individual loops lie one on top of the other (if they have the same diameter). However, contact between the loops does not occur. Before the limits are reached, an additional progressive rubber-spring comes into play. This material is often necessary between the spring-ends and the spring seats.
The above shown coil spring, for the rear axle of a front-wheel drive vehicle, looks, at first sight, as though the coils are evenly wound. Taking a closer look, one discovers that, in the center, compared with the two ends, the wire is slightly thicker. This indicates more a progressive- than a linear performance.By using different wire thicknesses or a differing spiral-pitch/loop-diameter, the properties of the spring can be altered in such a way that the force to be used for a long spring travel, slowly increases more than proportionally (progressively). An additional spring, which comes into play after a certain amount of spring travel, is also possible. The above shown picture shows a space saving Minibloc-spring. Through its progressive performance, comfortable driving without a load is combined with a large loading capacity.


First of all, the loop diameter and the spiral incline of the suitable coil spring is formed from a special alloy, which is mostly kept secret by the manufacturer, then cut to size in an automatic process. Then, for the better adaptation to the respective rubbers in the spring seats, it is ground at a precise angle. Of course, at the end of the process, the spray-painting and quality control takes place.               Top of page               Index
2001-2015 Copyright programs, texts, animations, pictures: H. Huppertz - E-Mail
Translator: Don Leslie - Email:

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