An aircraft has a substantially cylindrical body having a longitudinal axis, a cockpit, counter-rotating propellers of an overall diameter substantially greater than a maximum diameter of the body, DC motors powering the propeller sets, a battery compartment at a lower extremity of the cylindrical body, enclosing a DC battery, fixes wings extending a substantial distance away from the cylindrical body in a first direction, a rudder in a plane parallel to the axis of the cylindrical body, landing struts extending from a lower and outer extremity of each wing and of the providing a support structure for the aircraft; and controls operable to move the rudder and the wing flaps, and to manage power and rpm of the counter rotating propellers. The aircraft may lift vertically in hovering flight, transition to level flight, and return to hovering flight to land again.
Heliplane craft
2020-03-24
Patent
Electronic Resource
English
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