The blade tip speed limit of a propeller plane's propeller can determine the plane's top speed for reasons relating to design, engineering, and physics.

Piston or turboprop: who cares? Aren't they both just ways to spin the propeller? Not quite. Here's how piston and turboprop engines change the way you fly.

LAKE WORTH BEACH, Fla. (WSVN) — Authorities have confirmed that a small plane that crashed last month in Lake Worth Beach was on a test flight after a new propeller had been installed.