MOTOR DELTA PLANE Russian patent published in 1998 - IPC

FIELD: light aircraft manufacture; superlight flying vehicles with flexible wheels with balance control. SUBSTANCE: propeller enclosed in circular nozzle is mounted in such way that line of action of thrust vector passes through bogie suspension point or in immediate vicinity of this point; trailing edge of wing is at level from center to lower edge of intake device of circular nozzle at take-off and landing angles of attack. EFFECT: lift increment at take-off and landing equal to 20 percent ensuring retaining of good take-off and landing characteristics at increased cruise and maximum speeds of flight. 3 dwg