In the automotive world, especially when it comes to off-road trucks and SUVs, differentials come up all the time. Is your differential locking, limited slip or open? Do you have a transfer case? One ...

There are a variety of wheel designs out there that can provide for rotation and translation in various directions. The differential swerve drive, though, as demonstrated by [WildWillyRobots], uses ...

A differential is a very useful thing for a vehicle. It allows two driven wheels to rotate at different speeds, such as when going around a corner. [Workshop From Scratch] needed a chain driven ...

June 14, 2007 Driveline and Chassis Technology company ZF invests five percent of its sales (2006: EUR 600 million of EUR 11.7 billion) in Research and Development and in so doing, has developed a ...

The most reliable means for changing shaft speed remains a mechanical variable-speed transmission. These drives are used to provide a variable output speed from a constant-speed power source (as in a ...

Real racers all know the value of gearing. It's what comes next when you've reached your power limit, whether regulated or not. The same applies to our NSX project. We don't have the money for a ...

In 1946 the Tucker Automobile advertised a drive system that eliminated the need for a rearend. They put the engine in the rear mounted sideways so that the crankshaft rotation and the wheel rotation ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

4x4 axles come in all shapes and sizes for recreational and competition wheelers. From the heavy-duty 21⁄2-ton Rockwell to the classic lightweight Dana 30, each axle has its own definitive qualities.

A few weeks ago, I went to the amazing Auburn Cord Duesenberg Automobile Museum in Indiana, where I learned about an axle that has not just one gear ratio like in pretty much all modern cars, but two.

Since it entered my family in the 1980s, the weakest link of my 1969 Dodge Charger has been its 8-1/4-inch differential. That rear end was meant to be used behind small V8s like the 318 this car was ...