Flight Investigation of a Mechanical Feel Device in an Irreversible Elevator Control System of a Large Airplane
Abstract
The longitudinal stability and control characteristics of a large airplane have been measured with a mechanical feel device in combination with a booster incorporated in the elevator-control system. Tests were made to investigate the feasibility of eliminating the aerodynamic control forces through use of a booster and providing control-feel forces mechanically. The feel device consisted of a centering spring which restrained the control stick through a linkage which was changed as a function of the dynamic pressure. Provisions were made for trimming and for manual adjustment of the force gradient. The system was designed to approximate the control-force characteristics that would result with a conventional elevator control with linear hinge-moment characteristics.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1951
- Accession Number
- ADA380357
Entities
People
- B. P. Brown
- James B. Whitten
- Robert G. Chilton
Organizations
- National Aeronautics and Space Administration