PADDLE-WHEEL PROPELLERS LIFT AND DRIVE NOVEL PLANE (Feb, 1936)
PADDLE-WHEEL PROPELLERS LIFT AND DRIVE NOVEL PLANE
THRESHING the air like giant paddle wheels, four huge propellers serve the double purpose of lifting and propelling an odd wingless plane designed by two Denver, Colo., inventors. Mounted in pairs on struts jutting obliquely upward from the fuselage, the “propeller wings” have opposing blades fixed on a common shaft at an angle of ninety degrees to each other. An automatic mechanism turns the shafts to “feather” the blades so that each upstroke propels the plane forward and each downstroke provides lift. Drive shafts in the struts connect the blades with the motor in the fuselage. The pilot may control blade pitch to gain either greater speed or more lift.