CPC B64C 27/52 (2013.01) [B64C 27/20 (2013.01); B64C 27/54 (2013.01); B64C 29/0033 (2013.01); B64D 9/00 (2013.01); B64U 10/13 (2023.01); B64U 70/00 (2023.01); B64U 2101/60 (2023.01); B64U 2201/10 (2023.01)] | 4 Claims |
1. A delivery rotary-wing aircraft comprising:
a plurality of rotary wings;
a central portion to which a plurality of arm portions for supporting the rotary wings are connected;
a mounting portion for loading an object;
a supporting member for connecting the mounting portion with the central portion; and
a connection portion equipped at between the central portion and the supporting member,
wherein the plurality of arm portions are provided to extend from the central potion,
wherein a center of lift occurring in the rotary-wing aircraft with rotations of the plurality of rotary wings and a center of gravity of the rotary-wing aircraft coincide with a center of the connection portion, and,
wherein the supporting member is configured to extend downward.
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