An Appraisal of a Number of Power Assessment Procedures being Proposed for Use in Chinook-Lycoming T55 Engine

Abstract

In response to a request from RAAF HQSC a number of power assessment procedures for application to the Chinook-Lycoming T55 engine have been examined. The most satisfactory procedure was found to be the RAF Power Assurance Check (PAC). However because the method has not been fully defined, and its monitoring period is currently set at 25 hour intervals, the procedure will require some refinement before it can be fully utilised. The potentially most attractive procedure is the Power Assurance Test (PAT) proposed in conjunction with the retrofitting of a full authority digital engine control (FADEC) to the T55-L11 engine. This latter procedure has a number of deficiencies associated with it and the RAAF should monitor its development closely before any decision is made to implement the procedures on a regular basis. Keywords: Helicopter turboshaft engines; Condition monitoring; Monitoring instruments. Australia.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1989
Accession Number
ADA210482

Entities

People

  • D. E. Glenny

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Human Systems
  • Space

DTIC Thesaurus Topics

  • Aerial Warfare
  • Air Force
  • Air Temperature
  • Aircraft Maintenance
  • Aircrafts
  • Airframes
  • Altitude
  • Engineering
  • Helicopters
  • Maintenance
  • Maintenance Personnel
  • Power Levels
  • Sea Level
  • Standards
  • Steady State
  • Turbines
  • Turboshaft Engines

Readers

  • Aerospace Engineering
  • Aerospace Test and Evaluation
  • Systems Analysis and Design