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Standard

Electromechanical Actuators Specification Guide

2019-06-10
CURRENT
ARP5754
This Aerospace Recommended Practice (ARP) provides general characteristics, requirements, and design data to be recommended for inclusion in a procurement technical specification of an electromechanical actuator (EMA), including its control and monitoring.
Standard

Trimmable Horizontal Stabilizer Actuator Descriptions

2018-09-18
WIP
AIR6052A
The scope of the project it to develop a comprehensive description document that displays various examples of aircraft systems driving Trimmable Horizontal Stabilizers. The main focus is on mechanical systems which may be actuated hydraulically or electrically. The document is intended as an overview for those specifying or designing Horizontal Stabilizer Trim Actuators in order to compare existing solutions as reference for implementation in new aircraft programs.
Standard

General Specification Guide for Mechanical Geared Rotary Actuators

2017-05-09
CURRENT
ARP4058B
This SAE Aerospace Recommended Practice (ARP) provides a guide for preparation of requirements for general design, performance, and testing of mechanical geared rotary actuators intended to be used for applications requiring motion control in response to manual or automatic power control system inputs.
Standard

In-Service Reliability Data of Continuously Active Ballscrew and Geared Flight Control Actuation Systems

2016-10-11
WIP
AIR5713A
An industry survey has been completed to determine the incidence of jam and excessive backlash in rotary and linear mechanical actuators subject to "primary flight control like" duty cycles. The data is valuable for understanding how existing mechanical actuators behave in service, identifying areas for potential improvement and possibly being used as a reference to support future primary flight control system trade-off studies.
Standard

Aircraft Power Drive Unit (PDU), Specification Guide For

2015-05-04
WIP
ARP5384
This Recommended Practice provides a guide for specifying general design, performance, and test requirements for Power Drive Units (PDUs) for aerospace flight controls or other aerospace applications.
Standard

Trimmable Horizontal Stabilizer Actuator Structural Load Path Integrity Monitoring Principles

2014-10-08
CURRENT
AIR6226
Most of the Trimmable Horizontal Stabilizer Actuators (THSA) feature a dual structural load path, the primary load path being loaded, the secondary load path being normally unloaded, or both load paths sharing in parallel the Horizontal Stabilizer load. This document describes existing methods for detecting rupture or disconnection of loaded load paths as an overview for those specifying or designing Horizontal Stabilizer Trim Actuators in order to compare existing solutions as reference for implementation in new aircraft programs.
Standard

Aerospace - Testing of Electromechanical Actuators, General Guidelines For

2013-10-04
CURRENT
ARP5724
This document provides an overview of the tests, and issues related to testing, that are unique to Electromechanical Actuators (EMAs). The tests, and issues documented, are not necessarily all-inclusive. This document discusses both the tests applicable to EMAs and the test methodologies to accomplish the test objectives. EMAs may be used in a wide variety of applications such as utility, secondary flight controls and primary flight controls, in a wide variety of markets including manned and unmanned civil and military aircraft, small missile fin and thrust vector control applications up to high powered utility and flight controls. EMAs may also have either a rotary or a linear output, be servo controlled or use simple open loop point-to-point or other control topologies. As such this document covers a wide range of potential applications, the application of any given test requirement is determined by the application and the user.
Standard

Trimmable Horizontal Stabilizer Actuator Descriptions

2011-09-21
CURRENT
AIR6052
The purpose of this AIR is to provide a comprehensive description document that displays various examples of transport and business aircraft systems driving Trimmable Horizontal Stabilizers. The main focus is on mechanical systems which may be actuated hydraulically or electrically. The document is intended as an overview for those specifying or designing Horizontal Stabilizer Trim Actuators in order to compare existing solutions as reference for implementation in new aircraft programs.
Standard

Actuators, Linear Mechanical, General Specification Guide

2010-08-02
CURRENT
ARP5812
This SAE Aerospace Recommended Practice (ARP) establishes design, manufacturing performance and test requirements for linear mechanical actuators intended to be used for linear motion applications in response to manual or automatic power control system inputs. It is applicable, but not confined to, ball screws, sliding contact screws, roller screws, helical splines, rack and pinion assemblies, and skewed roller actuators. It is a reference for preparing detail specifications for mechanical actuators compatible and applicable to military or commercial aircraft systems.
Standard

Maintenance and Inspection Procedures for Acme Screw Assemblies

2010-05-04
CURRENT
ARP5777
This document is to be used as a guide in preparing specifications for maintenance and inspection of acme screw assemblies used in driven linear actuators. It is intended to cover Acme screw assemblies driven by electric, hydraulic, pneumatic, manual means, with or without gear case or speed reduction systems, and micro actuators. Though the Acme screw is the most common thread form for sliding contact jackscrews this guideline is equally applicable to other sliding contact thread forms such as buttress, square, stub acme, and others including custom thread forms. The term Acme shall be used generally to address all sliding contact thread forms.
Standard

High Lift Systems Description

2008-10-25
WIP
AIR6016
The scope of the project is to develop a comprehensive description document that displays various examples of High Lift Systems of commercial and military aircraft. The main focus is on mechanical systems which may be actuated hydraulically or electrically. The document is intended as an overview for those specifying or designing High Lift Systems in order to compare existing solutions as reference for implementation in new aircraft programs.
Standard

In-Service Reliability Data of Continuously Active Ballscrew and Geared Flight Control Actuation Systems

2008-07-15
CURRENT
AIR5713
An industry survey has been completed to determine the incidence of jam and excessive backlash in rotary and linear mechanical actuators subject to “primary flight control like” duty cycles. The data is valuable for understanding how existing mechanical actuators behave in service, identifying areas for potential improvement and possibly being used as a reference to support future primary flight control system trade-off studies.
Standard

Actuators: Mechanical, Geared Rotary, General Specification For

2007-11-28
HISTORICAL
ARP4058A
This SAE Aerospace Recommended Practice (ARP) provides a guide for preparation of requirements for general design, performance and testing of mechanical geared rotary actuators intended to be used for applications requiring motion control in response to manual or automatic power control system inputs.
Standard

Aerospace-Interface Definition for Mechanical Actuation Subsystems

2002-04-05
CURRENT
ARP5311
This SAE Aerospace Recommended Practice (ARP) defines all the relevant issues that affect the generation of an Interface Control Document for Mechanical Actuation Sub-Systems. It is intended to provide to all parties involved with the generation of Mechanical Actuation Sub-Systems, a definition of documentation, drawings, reports and design parameters required to assure a successful development of mechanical actuation sub-systems for Aerospace-Military and Commercial applications.
Standard

ACTUATORS: MECHANICAL, GEARED ROTARY, GENERAL SPECIFICATION FOR

1992-07-01
HISTORICAL
ARP4058
This specification establishes general design, performance and test requirements for mechanical geared rotary actuators intended to be used for applications to position control surfaces in response to manual or automatic power control system inputs.
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