1950•Unpublished venueRequires access

Investigation of Effect of Span and Spanwise Location of Plain and Stepped Spoiler Ailerons on Lateral Control Characteristics of a Wing with Leading Edge Swept Back 51.3 Degrees

Jack Fischel, Alexander D Hammond

Abstract

Report presenting a wind-tunnel investigation at low speed to determine the lateral control characteristics of a 51.3 degree sweptback-wing model equipped with either plain or stepped spoiler ailerons with a fixed projection of 5-percent-wing chord and various spans and spanwise locations. The results indicated that spanwise rolling-effectiveness charts of flap-type ailerons can not be used to predict effectiveness of spoiler-type ailerons on swept wings. Results regarding the wing aerodynamic characteristics with spoiler ailerons retracted, wing aerodynamic characteristics with spoiler ailerons projected, and a comparison of spoiler-type and flap-type ailerons.

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Key concepts: Aileron, Wing, Chord (peer-to-peer), Aerodynamics, Angle of attack, Span (engineering), Structural engineering, Engineering