Accession Number : ADA180865

Title :   Flight Worthiness of Fire Resistant Hydraulic Systems. Volume 2. Component and Endurance Testing.

Descriptive Note : Final rept. Jan 81-Dec 86,

Corporate Author : MCDONNELL AIRCRAFT CORP ST LOUIS MO

Personal Author(s) : Jeffery,J. R. ; Pehowski,S. E. ; Pierce,N. J. ; Wieldt,J. A. ; Young,R. E.

Report Date : 30 DEC 1986

Pagination or Media Count : 263

Abstract : This document is the second of two volumes which make up the Flight Worthiness of Fire Resistant Hydraulic Systems final report. This document reports efforts involved in component procurement, analysis, qualification testing, the 750-hour endurance test, analytical model verification, and results of the teardown are included. The follow-on contract to perform a study of pump pulsation attenuation and actuator stiffness are reported in this volume. Components procured for the endurance tests setup included an 8000 psi hydraulic pump, servoactuator, utility actuator, filters, relief and check valves, and various required seals. The results of the endurance test show that 8000 psi CTFE hydraulic systems are a practical and feasible approach for next generation aircraft design. Two areas of concern, pump pulsations, and actuator stiffness were studied. Acceptable candidate solutions for both topics are included. Keywords: Fire resistant hydraulic system, Hydraulic system life-cycle costs.

Descriptors :   *FIRE RESISTANCE, *HYDRAULIC EQUIPMENT, *AIRWORTHINESS, *AIRCRAFT EQUIPMENT, ENDURANCE(GENERAL), TEST METHODS, FLIGHT CONTROL SYSTEMS, AIR FORCE PROCUREMENT, PUMPS, HEAT TOLERANCE, TEST AND EVALUATION, PERFORMANCE(ENGINEERING), FAILURE(MECHANICS), FLAPS(CONTROL SURFACES)

Subject Categories : Hydraulic and Pneumatic Equipment
      Aircraft

Distribution Statement : APPROVED FOR PUBLIC RELEASE