| 摘要 |
An improvement in an aircraft refueling boom wherein the boom support attachment provides two axes of motion. The first axis, attached to the fuselage, provides for lateral motion of the boom about a longitudinal or roll axis of rotation essentially parallel to the air stream. The second axis of motion, the pitch axis, is located below and perpendicular to the roll axis so that the pitch axis rolls with any roll motion of the boom and provides for vertical displacement of the boom. The resultant boom nozzle motion is such that vertical displacement occurs in a conventional fashion while lateral displacement takes place in an arc or rolling motion rather than a yawing motion.
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