Experimental Determination of Dampling in Roll and Aileron Rolling Effectiveness of Three Wings Having 2, 42, and 62 deg Sweepback

Abstract

An investigation on damping values in roll is presented. It is seen that these values decreased with increased sweepback. Method of obtaining approximate estimate of this reduction is shown. Damping in roll for all three wings decreased with increasing lift coefficient. Increasing amount of sweepback reduced the tendency toward instability in rolling as the maximum lift was approached and increased the aileron deflection required to produce a given value of the helix angle generated by the wing tip.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1947
Accession Number
ADB805716

Entities

People

  • Charles V. Bennett
  • Joseph L. Johnson

Organizations

  • National Advisory Committee for Aeronautics

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aerodynamic Characteristics
  • Aeronautical Laboratories
  • Aeronautics
  • Agreements
  • Aircrafts
  • Airfoils
  • Airframes
  • Aspect Ratio
  • Coefficients
  • Deflection
  • Dynamic Pressure
  • Experimental Data
  • Free Flight
  • Instability
  • Swept Wings
  • Sweptback Wings
  • Wing Tips

Readers

  • Aerodynamics/Aeronautics.