| 摘要 |
PROBLEM TO BE SOLVED: To attain a low speed flight, save energy, and reduce noises by forming a shape by combining an aircraft and an airship in a hybrid aircraft. SOLUTION: This hybrid aircraft 10 is constituted by installing a passenger room 12, main wings 13, a vertical tail 14, and horizontal tails 15, and a propeller 16 on a fuselage 11. He gas lighter than air is sealed in the fuselage 11 to obtain lift. Most of the lift is generated by the He gas, and insufficient lift is generated by the fixed wings. Even if an engine causes failure, a lift loss is small, and because of the low speed flight, a soft landing becomes possible, influence of wind is little received, the energy can be saved, and the noises can be reduced.
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