United States. Army Division of Military Aeronautics · leaf 149
53 The kite balloon shown at figure 4 is lifted in the air by the weight of the air displaced and is restrained by its own weight, the weight of the car, and the pull on the cable or winch suspension. In a wind a further lifting force is added by the kiting effect of the balloon and the dynamic… … as the wind increases in force. If the cable be released, this dynamic force is removed simultaneously with the removal of the cable tension, and the balloon, no longer held down at its nose, wiU then turn to a steeper angle, as shown at figure 5. In this free condition the only force preventing…
Balloons · Aeronautics, Military
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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