59 research outputs found

    Experimental Investigation of the Effect of Vertical-tail Size and Length and of Fuselage Shape and Length on the Static Lateral Stability Characteristics of a Model with 45 Degree Sweptback Wing and Tail Surfaces

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    An investigation was made to determine the effects of vertical-tail size and length and of fuselage shape and length on the static lateral stability characteristics of a model with wing and vertical tails having the quarter-chord lines swept back 45 degrees. The results indicate that the directional instability of the various isolated fuselages was about two-thirds as large as that predicted by classical theory

    Wind-tunnel investigation of the effects of horizontal-tail position on the low-speed longitudinal stability characteristics of an airplane model with a 35 degrees sweptback wing equipped with chordwise fences

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    An experimental investigation was made in the Langley stability tunnel to determine whether the low-speed longitudinal stability characteristics of a model with a 35 degree sweptback wing could be improved appreciably by lowering the horizontal tail. The investigation included tests of several components of the model and of various model configurations with chordwise fences on the wing
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