| 摘要 |
A keel kite is disclosed having an increased range of flight speeds and an improved ability to withstand gusty winds, consisting of a mass-balanced sail portion eliminating the center line spar either entirely or over the rear central portion of the sail, and a separately mass-balanced keel portion supported by a spar along its lower edge, aerodynamically balanced, able to pivot somewhat in yaw, and employing an adjustable trimming surface.
|
