| 摘要 |
PROBLEM TO BE SOLVED: To provide a tail boom capable of generating a propulsive force in a forward flight and increasing a forward speed. SOLUTION: The tail boom 10 blows the airflow generated by a propeller 13 arranged on the upstream side, downward from a slit 15 formed in the lower portion of one side surface and extending therethrough in the thickness direction, so that a force for canceling a torque effect is generated by a Coanda-effect. The tail boom 10 is so constituted that the airflow generated by the propeller 13 may contribute as the propulsive force. COPYRIGHT: (C)2009,JPO&INPIT
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