The first of the newly granted patents, U.S. Patent No. 12,247,534, titled “High Flow Inline Air/Fuel Vortex Injection System for Internal Combustion Engines,” introduces a multifuel mixing system ...

How to make a tornado machine with an open air vortex! You've probably got just enough time to build this before Halloween.

T he Cessna 172 Skyhawk is a reliable single-engine, high-wing aircraft with a range of about 600 nautical miles. For those ...