Read our in-depth, expert 2014-2021 BMW S1000R review - still a formidable sportsbike and incredible value, too.

Posted: July 10, 2025 | Last updated: July 10, 2025 This video shows how I make a compact 2" bore air cannon with a coaxial piston valve.

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power ...

In this article, we aim to study the structural properties of the piston valve of a twin tube damper. The valve is reverse engineered, with modeling done in PTC Creo and the analysis in ANSYS ...

2.4. Establishing the Sliding Mode Control algorithm The control system diagram is shown in Figure 4. The actuator of the active suspension system is a hydraulic piston. Figure 4 Control schematic.