The U.S. Air Force Research Laboratory achieved a significant propulsion milestone when a Draper rocket engine reached supersonic flight conditions during a controlled test. The trial, conducted at ...

Alliant Techsystems recently demonstrated a critical capability of its liquid oxygen (LOX)/Methane rocket engine by igniting it in a vacuum chamber. The successful ignition test was designed to ...

In preparation of landing humans on the Moon as part of the ongoing Artemis program, SpaceX recently ran a test of one of its lunar lander engines while simulating the cold temperatures of space. The ...

One of the most difficult tuning problems to overcome is the seemingly ever-present engine vacuum leak. Vacuum is an important component of the internal-combustion process because it controls basic ...

In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...

Among the many pesky issues that can confound do-it-yourself mechanics, one of the most simple yet elusive that impacts overall drivability is the common vacuum leak. This is especially true if you're ...

Brake assist systems depend on vacuum pumps, which serve as essential components. Failures reduce brake performance, trigger fault detection codes, and affect vacuum-based systems. Regular maintenance ...