| 摘要 |
PROBLEM TO BE SOLVED: To provide an aircraft comprising a fuselage which optimizes dispersion of stress and has a simple, convenient and economical connection device.SOLUTION: A fuselage comprises a connection device which is connected to a center wing and configured so as to transmit stress received by the fuselage when an aircraft is operated to the center wing. The connection device is formed by a keel beam (20) and a beam plate (24) which is connected to the keel beam via a connecting portion (22) of the keel beam, and the keel beam further includes: a major portion (21) which extends in a first direction of an approximately longitudinal direction; and guiding portions (23) which extend in a second direction different from the first direction and are configured to be connected to the center wing. The major portion, the guiding portions and the connecting portion are configured to guide a major portion of stress received by the keel beam to the second direction and transmit the major portion of the stress to the center wing as compressive stress. |
