Often asked: How To Use Stub Axles?

How do stub axles work?

A stub axle is a sub-assembly of a front axle beam upon which the road wheel mount. Stub axle is connected to the front axle using kingpin. These stub axles turn about the kingpin, which is light drive fit in the axle beam eye, located and locked by the taper cotter pin.

How do you weld a stub axle?

Tack weld through the plug weld holes to secure the back end of the stub axle. Set your welder up so that you can lay a good hot penetrating weld (practice on some scrap steel) and fully weld around the stub axle and axle tube. Fill the plug weld holes up until the weld is flush with the top of the axle tube.

How do I know what axle position to use?

To know how far back the axle needs to be moved, we want to subtract the trailer’s tongue weight from 10 percent of the total weight. Then we will divide this number by the total weight. Then we will multiply this by the distance from the tongue to the axle.

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What are the types of stub axle?

As The Engineers Post explains, there are four types of stub axle: Elliot: This type uses a kingpin, a yoke, and a cotter to connect to the front axle. Reverse Elliot: This type has the opposite arrangement of a standard Elliot stub axle. Lamoine: This stub axle type has an L-shaped spindle instead of a yoke- type hinge.

How does a front axle work?

Modern front -wheel drive cars typically combine the transmission (gearbox and differential) and front axle into a single unit called a transaxle. Each half axle connects to the wheel by use of a constant velocity (CV) joint which allows the wheel assembly to move freely vertically as well as to pivot when making turns.

What are stub axles made from?

For maximum strength to weight ratio, a stub axle needs to be forged from steel. Forging will allow the stretched fibres in the steel to follow the lines that will carry load when in operation. You could start with a short round bar. Upset or spread one end to make the flange, while thinning and lengthening the shaft.

How do I make my trailer axles wider?

If the entire trailer needs to be wider, simply split the trailer down the middle (front to back). Cut all the cross members and add middle sections. Of course, this will also require a new axle because the spring seat distance and track width must get wider.

How do you install a trailer axle?

How to Install an Axle on a Trailer Lift up the trailer using the jack and place the frame and axle on jack stands. Remove the tires using the tire iron. Unbolt the u-bolts that secure the axle to the leaf springs using the 1/2-inch ratchet and sockets. Disconnect the brake line from the axle using the brake line wrench.

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Can you extend trailer axles?

you can “only” widen an axle if it is a straight axle. Straight axles are no problem to widen as mentioned. To see if you have a cambered one just stand behind your trailer and look at the axle, you will be able to tell.

How do I know what axle position my trailer is?

How to Know Where to Put Axle on Trailer Measure the length of the cargo platform or box of the trailer, ignoring the trailer tongue. Calculate 40 percent of the length of the trailer cargo area. Measure the calculated distance from the rear of the trailer and make a soapstone mark on the trailer frame.

How do you calculate an axle weight distribution?

The Weight Distribution Analysis Process Multiply the center of gravity distance times the weight to get the moment for each component and item. Add all of the moments and divide by the wheelbase to get the weight on the rear axle. Subtract the rear axle weight from the total weight to get the front axle weight.

Should my trailer axle bow up or down?

A trailer axle should actually be bowed upwards in the middle and not downwards. When the trailer is loaded with your boat, that upward bow will flatten out and your tires will make even contact with the ground.

What is 3 axle vehicle?

And also, a 3 axle vehicle has 3 axles. The examples of a 3 axle vehicle would be many straight trucks with a pair of rear axles which carries the extra weight of the cargo, a Greyhound bus, and most tractor units for semitrailers.

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Does a car have 2 or 4 axles?

Most cars or standard cars have four axles or two sets of axles, which helps in rotating the wheel. A simple way to see just how many axles a car has is to look at it from the side and then count the number of wheels it has. Most cars have four tires or two sets of tires, with one in the front and then in the rear.

What causes a broken axle?

A vehicle does not get far, or anywhere if it has a damaged drive axle. Axles are rods or shafts that connect to the drive wheels. Even though axles are built to be tough, an overloaded vehicle can sometimes crack or break an axle. Bad carrier bearings or bad potholes are other common causes of axle problems.

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