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SAE AIR4174A : 2017

A Guide to Aircraft Power Train Monitoring

Standard Details

The purpose of this SAE Aerospace Information Report (AIR) is to provide management, designers, and operators with information to assist them to decide what type of power train monitoring they desire. This document is to provide assistance in optimizing system complexity, performance and cost effectiveness.This document covers all power train elements from the point at which aircraft propulsion energy in a turbine or reciprocating engine is converted via a gear train to mechanical energy for propulsion purposes. The document covers aircraft engine driven transmission and gearbox components, their interfaces, drivetrain shafting, drive shaft hanger bearings, and associated rotating accessories, propellers, and rotor systems as shown in Figure 1 . For guidance on monitoring additional engine components not addressed, herein (e.g., main shaft bearings and compressor/turbine rotors), refer to ARP1839.This document addresses rotary and fixed wing applications for rotor, turboprop, turbofan, prop fan, and lift fan drive trains on both commercial and military aircraft.Information is provided to assist in:aDefining technology maturity and application riskbCost benefit analysis (Value analysis)cSelection of system componentsdSelection of technologyeManaging interface requirementsfDefining information flow requirements

Cross Reference: AIR1828,AIR1839,AIR1900,AIR46,AIR65,ARP1587

General Information

Status : Revised
Standard Type: Main
Document No: SAE AIR4174A : 2017
Document Year: 2017
Pages: 27

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SAE AIR4174A : 2017
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