![]() When one of the first German planes to be shot down by the British in early 1940 was examined, they found this joint in use in the aircraft’s control systems. ![]() The spherical rod end bearing was developed by the Germans in World War II. These Boulder Bushings above are available from Mountain Off-Road.īelow, this Boulder Bushing is from Poison Spyder Customs. The bushings (above & below) are from Ballistic Fabrication Many aftermarket bushings on the market only have a. We would stay away from anything less than. If you do use bushings in your suspension, we suggest Ballistic Fabrication’s bushings with a. Many builders like to use a bushing at the frame end of the link and a Heim or Johnny Joint at the Axle end. The advantages with the bushings are cost, the ability to absorb some of the shock, they’re said to be quieter than Heims, and prevent the link from twisting. You can also choose a bushing with just a sleeve to weld to the end of your tubing (second photo below). You can find a threaded bushing like the one shown below from Ballistic Fabrication. We’re going to discuss these various types of joints below. Link suspensions have been designed using the following kinds of suspension joints: This time around we’re going to be discussing suspension joints. Motion control ball joints tend to be retained with an internal spring, which helps to prevent vibration problems in the linkage.In our last issue we talked about measurements and materials for link suspensions. ![]() Usually, this is a rubber-like boot that allows movement and expansion of lubricant. Protective encasing prevents dirt from getting into the joint assembly. The bearing stud is tapered and threaded, and fits into a tapered hole in the steering knuckle. Step sizes also available.Ī ball joint consists of a bearing stud and socket enclosed in a casing all their parts are made of steel. Manufactured in both male and female from 3/16 unf through to ¾ unf. Manufactured in both male and female from 3/16 unf through to ¾ un ![]() Manufactured in both male and female from3/16 unf through to ¾ unf. Rod End bearings may be found in cars, trucks, race cars, motorcycles, lawn tractors, industrial machines, go-karts and many more applications. The threaded portion may be either male or female. A ball swivel with an opening through which a bolt or other attaching hardware may pass is pressed into a circular casing with a threaded shaft attached. Such joints are used on the ends of control rods, steering links, tie rods or anywhere that a precision articulating joint is required. Spherical Rod Ends are a mechanical articulating joint. ![]()
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