Effect of Sweepback and Aspect Ratio on Longitudinal Stability Characteristics of Wings at Low Speeds

Abstract

Because of the interest in swept-back wings for high-speed airplanes an analysis has been made of readily available data on the longitudinal stability characteristics of swept-back wings at low speeds. The analysis indicated that the shape of the pitching-moment curve near the stall for swept-back wings is greatly dependent upon the aspect ratio. A chart has been prepared relating aspect ratio and sweepback that indicates the combinations of aspect ratio and sweepback alone. The effect of the addition of a horizontal tail behind a swept-back wing may be destabilizing and requires further investigation.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1946
Accession Number
ADA801363

Entities

People

  • Bernard Maggin
  • Joseph A. Shortal

Organizations

  • National Advisory Committee for Aeronautics

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aerodynamic Characteristics
  • Aeronautical Laboratories
  • Aircrafts
  • Airfoils
  • Airframes
  • Airplanes
  • Aspect Ratio
  • Center Of Gravity
  • Coefficients
  • Dynamic Pressure
  • Fluid Dynamics
  • Fuselages
  • Horizontal Stabilizers
  • Instability
  • Mach Number
  • Stabilization Systems
  • Sweptback Wings

Fields of Study

  • Physics

Readers

  • Aerodynamics.
  • Aerospace Engineering
  • Control Systems Engineering.