Hartzell Aviation's engine manufacturing and development division has delivered the first units of its electronic wastegate prototype to third-party aircraft engine manufacturers for further testing.

The design intent of the AeroForce prototype is to maintain the current installation envelope and weight while reusing the existing, time-tested hot section butterfly valve and housing.” — Hartzell ...

There's more than one way to control boost on a turbocharged car. Some methods are more expensive than the turbo they're designed to control, others cost less than the burrito I had for lunch. There ...

There's a struggle within the performance aftermarket as positive-displacement blowers battle the centrifugal-style units. Internet battles and bench-racing sessions across the country have pitted ...