Development of a High Temperature Rotary Actuator for Aircraft Hydraulic Systems.

Abstract

This report describes the development program for a high temperature hydraulic rotary actuator based on the DYNAVECTOR concept. Included are illustrated results based on replies by six airframe companies to a Bendix survey that determined the projected 1975-80 horizontal tail and rudder actuator stiffness requirements for fighter/attack aircraft, as well as the critical design conditions relative to Mach number and altitude. Also reported are the results for the 800 F ambient testing of three different shaft seals designs (created for the program) that are presented in terms of leakage versus time, temperature and pressure. Actuator test results -- with and without the epicyclic gear transmission -- and analyses included in the report reveal that the limitation imposed by the particular transmission disengagement concept used for load decoupling (actuator redundancy application) prohibitively detracts from the performance of the actuator for analog control. (Author)

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1978
Accession Number
ADA057931

Entities

People

  • R. K. Van Ausdal

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Actuators
  • Air Force
  • Aircrafts
  • Airframes
  • Bearings
  • Control Surfaces
  • Fabrication
  • Friction
  • Heat Transfer
  • Horizontal Stabilizers
  • Measurement
  • Mechanical Working
  • Mechanics
  • Tensile Strength
  • Test And Evaluation
  • Test Equipment
  • Test Fixtures

Readers

  • Aviation Science / Aeronautics.
  • Robotics and Automation.
  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).