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Vertical take-off aircraft

阅读:93发布:2021-12-16

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1. AN AEROPLANE CAPABLE OF LIFTING ITSELF CLEAR OF THE GROUND AT A SPEED BELOW WINGBORNE SPEED AND OF ACCELERATING TO WINGBORNE SPEED WHILE OFF THE GROUND, COMPRISING IN COMBINATION: A FUSELAGE, AN AEROPLANE WING HAVING A CENTER SECTION OF COMPARATIVELY LARGE ROOT CHORD ARRANGED IN LOW WING POSITION ON SAID FUSELAGE AND HAVING AN AIRFOIL PROFILE WITH A FLAT UNDERSIDE IN THE STATIC POSITION PARALLEL TO THE GROUND AT CLOSE CLEARANCE TWO DIHEDRAL HIGH ASPECT RATIO OUTER WING SECTIONS OF COMPARATIVELY SMALL ROOT CHORD CONNECTED TO SAID CENTER SECTION, SUBSTANTIALLY VERTICAL AIR JET GENERATING MEANS MOUNTED IN SAID CENTER SECTION IN OPERATION PRODUCING A PERIPHERAL AIR CURTAIN ON THE UNDERSIDE OF SAID CENTER SECTION OF A THRUST OF A MAGNITUDE BELOW THE WEIGHT OF SAID AEROPLANE BUT ECEEDING THE THRUST REQUIRED FOR STEADILY HOVERING CLOSE TO THE GROUND AND ENABLING SAID AEROPLANE TO LEAP ABOVE THE HEIGHT OF STEADILY HOVERING, AND PROPULSIVE MEANS HAVING AT LEAST A FORWARD THRUST COMPONENT IN OPERATION ACCELERATING SAID AEROPLANE TO WINDBORNE SPEED.
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