Rotorcraft Through History
A type of aircraft characterized by the two rotor systems mounted one in front of the other on a horizontal plane, first developed by Nicolas Florine in 1927.
What is a tandem rotor aircraft?
A spiral-shaped object
What is a helix / what are helices?
The original name of the Morton, PA helicopter manufacturer acquired by Boeing in 1960
What is Piasecki Helicopter?
The power source of the Solution F/Chretien Helicopter, the first of its kind to hover out of ground effect on August 12th, 2011
What is electricity?
A 3D geometric surface that resembles a twisting spiral ramp or infinite screw thread, first described by Euler in the 18th century
What is a helicoid?
The only name of the following that the current-day Boeing Vertical Lift Division did not have:
Boeing Helicopters
Boeing Vertol
Boeing Helicopter Holdings
Boeing Rotorcraft Systems
What is Boeing Helicopter Holdings?
The first practical rotorcraft, developed in the 1920s and flown across the English Channel by Spanish engineer and pilot Juan de la Cierva
What is the autogyro?
A measure of linked-ness or knotted-ness of vortices in fluid flow, described by Euler in the 18th century
What is helicity?
The aircraft company that developed the YOH-6A which in 1966 broke the record for the longest distance flown by a helicopter without landing (2,213 miles)
What is Hughes Helicopters?
A large brass tuba, and also a mountain in Greece and a river in Ancient Macedonia
What is a helicon?
The first helicopter to be used by the US military (during WWII), notoriously so difficult to fly that "the control stick shakes like a jackhammer, and the pilot must hold it tightly at all times" and "Should he relax for even a minute the plane falls out of control"
What is the Sikorsky R-4?
The cultivation of edible land snails for human consumption and cosmetic use
What is heliciculture?