Convertible vtol aircraft

Claim 1

IN AN AIRPLANE ARRANGED FOR VERTICAL TAKEOFF AND LANDING AND CONVENTIONAL FLIGHT OPERATIONS, COMBINATION OF A FUSELAGE, AT LEAST ONE CONVENTIONAL MAJOR AIRFOIL, MOUNTED ON SAID FUSELAGE, A PROPELLER ROTATABLY MOUNTED ON SAID AIRFOIL, MEANS FOR DRIVING SAID PROPELLER, A STATIONARY SHROUD CIRCUMFERENTIALLY MOUNTED AROUND BUT SPACED FROM THE TIPS OF SAID PROPELLER, A SLOTTED FLAP MOUNTED ON SAID AIRFOIL FOR RETRACTED MOVEMENT ADJACENT SAID AIRFOIL AND PROJECTED POSITION BELOW SAID AIRFOIL, AND A SLIPSTREAM DEFLECTOR MOUNTED ON SAID AIRFOIL BELOW THE PROJECTED POSITION OF SAID SLOTTED FLAP, SAID DEFLECTOR HAVING A RETRACTED POSITION AND A DOWNWARDLY DISPOSED PROJECTED POSITION, SAID SHROUD, FLAP AND DEFLECTOR COOPERATING WHEN SAID FLAP AND DEFLECTOR ARE IN PROJECTED POSITIONS TO FORCE A SLIPSTREAM FROM SAID PROPELLER GENERALLY HORIZONTALLY OVER SAID AIRFOIL AND IN A SUBSTANTIALLY DOWNWARD DIRECTION, SAID FUSELAGE, SAID AIRFOIL AND THE AXIS OF SAID PROPELLER MAINTAINING A SUBSTANTIALLY HORZONTAL ATTITUDE DURING SAID OPERATIONS, THE LEADING EDGE OF SAID AIRFOIL BEING LOCATED REARWARDLY OF THE ENTIRE EXIT OF SAID SHROUD AND OF SAID PROPELLER.