Four years ago, I added wingtip extensions to my homebuilt. Originally, I had built the wing 20 inches shorter than its intended span of 35 feet, intending to add the tips after flight tests. I hoped ...

When people want to talk about something unpleasant, they often invent nicer-sounding phrases to disguise what's really going on. "Wake turbulence" is the kind of term that can bring to mind vague, ...

A French invention designed to eliminate wingtip vortices could enable future aircraft designs to benefit from significantly lower lift-induced drag. French aeronautical teacher Christian Hugues ...

French inventor Christian Hugues has patented a new wingtip device promising an 8-percent reduction in induced drag and a 5.4-percent increase in lift.

Fuel consumption and greenhouse gas emissions are huge priorities in the aviation industry – passenger airliners chew through amazing quantities of fuel. Take the Boeing 747, which guzzles somewhere ...