Helicopters can deliver military troops or rescue the wounded in tight spaces, but their rotating blade design also puts a hard limit on their speed and maneuverability. Now researchers have begun ...

For about 76 years, helicopters have served the world as an important alternative to fixed-wing aircraft. Helicopters can go places and do things that airplanes cannot, like save mariners stuck at sea ...

Pictures of helicopter wreckage from the raid on the compound where Osama bin Laden was killed drove speculation that it was the first look at the latest in "stealth " helicopter design. Reports ...

LARAMIE — As a boy, Dimitri Mavriplis built model airplanes and became knowledgeable about the industry through his father, Fotis, who was manager of the aerodynamics department at Bombardier ...

Enlarged ed. of Practical helicopter aerodynamics, with additional material previously published in Rotor & wing international from 1982-1984. https://siris-libraries ...

Helicopters can perform some incredible aerobatic feats, but they’re also noisy, shaky, and expensive to run. NASA researchers are developing helicopter blades featuring a shape-shifting smart ...

Although helicopter aerodynamics involves the same forces that arise in airplane aerodynamics, these forces occur differently due to fluid flow dynamics across the aircraft. Helicopters take advantage ...

A conversation between a Virginia State Police helicopter pilot and his trooper co-pilot before a crash that killed both of them referred to an aerodynamic phenomenon that a National Transportation ...

Helicopters have one of the most recognizable sounds in aviation. The signature "whop whop" or deep thumping sound announces its arrival long before it appears in the sky. It's a sound so iconic, it's ...