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Standard

Bearings, Roller, Needle, Airframe, Antifriction, Inch

2024-05-16
WIP
AS39901D
This standard covers the requirements for non-separable, airframe anti-friction needle bearings, corrosion resistant and traditional materials, intended for use in flight vehicle control systems, with radial loads.
Standard

Safety Considerations for Electrified Propulsion Aircraft

2024-05-16
WIP
AIR8677
This SAE Aerospace Information Report (AIR) provides information to be considered when performing the safety assessment of electrified propulsion aircraft. Its main focuses are: ● Typical new technologies introduced by electrified propulsion and their impact on safety ● The failure modes of electrified propulsion systems and their components ● Potential effects of failures at system and aircraft levels ● Possible strategies to minimize failures and mitigate their effects The information in this document may be used to generate inputs for system and aircraft safety assessments based on industry standards such as SAE ARP4761. The first issue of this document addresses battery systems, power electronics, eMotors, electrical interconnects and thermal management for fully electric configurations. Future issues are expected to address other subsystems, components and configurations.
Standard

Off-Vehicle Brake Testing for Service Brakes Over 10000 Pounds GVW Air, Hydraulic, and Mechanical Actuation

2024-05-16
WIP
J2806
Subject document is specifically intended for service brakes and service brakes when used for parking and/or emergency brakes (only) that are commonly used for automotive-type, ground-wheeled vehicles exceeding 4536 kg (10000 pounds) gross vehicle weight rating (GVWR). Subject specification provides the off-vehicle procedures, methods, and processes used to objectively determine suitability of tactical and combat ground-wheeled vehicle brake systems and selected secondary-item brake components (aka, aftermarket or spare parts), including brake “block” for commercial applications only, specifically identified within subject document. Subject specification is primarily based on known industry and military test standards utilizing brake inertia dynamometers. Targeted vehicles and components include, but may not be limited to, the following:a.
Standard

Pneumatic Tire/Wheel/Runflat Assembly Qualifications for Military Tactical Wheeled Vehicles

2024-05-15
WIP
J2014
This SAE Standard applies to all combinations of pneumatic tires, wheels, or runflat devices (only as defined in SAE J2013) for military tactical wheeled vehicles only as defined in SAE J2013. This applies to original equipment and new replacement tires, retread tires, wheels, or runflat devices.This document describes tests and test methodology, which will be used to evaluate and measure tire/wheel/runflat system and changes in vehicle performance.All of the tests included in this document are not required for each tire/wheel/runflat assembly. The Government Tire Engineering Office and Program Office for the vehicle system have the responsibility for the selection of a specific test(s) to be used. The selected test(s) should be limited to that required to evaluate the tire/wheel/runflat system and changes in vehicle performance.
Standard

J1939 Digital Annex

2024-05-15
WIP
J1939DA
This document is intended to supplement the SAE J1939 documents by offering the SAE J1939 information in a form that can be sorted and search for easier use.
Standard

Reliability in the frame of Structure Health Monitoring and Management

2024-05-09
WIP
AIR8950
The document describes typical processes with examples on how to manage reliability assessment hardware and software used on structural health monitoring systems, and for structure health management solutions. It addresses reliability assessment guidelines from design phase, manufacturing, assemblies, installation, considering installation and environmental conditions. Link between Quality system and reliability assessment is developed
Standard

Combined Cornering and Braking Test for Truck and Bus Tires

2024-05-09
CURRENT
J2675_202405
This SAE Recommended Practice describes a test method for determination of heavy truck (Class VI, VII, and VIII) tire force and moment properties under combined cornering and braking conditions. The properties are acquired as functions of slip angle, normal force, and slip ratio. Slip angle and normal force are changed incrementally using a sequence specified in this document. At each normal force and slip angle increment, the slip ratio is continually changed by application of a braking torque ramp. The data are suitable for use in vehicle dynamics modeling, comparative evaluations for research and development purposes, and manufacturing quality control. This document is intended to be a general guideline for testing on an ideal machine. Users of this recommended practice may modify the recommended protocols to satisfy the needs of specific use-cases, e.g., reducing the recommended number of test loads and/or pressures for benchmarking purposes.
Standard

Nuts, Self-Locking, UNS N07001 730 °C, 1100 MPa, and 1210 MPa Procurement Specification for, Metric

2024-05-09
CURRENT
MA1943C
This procurement specification covers aircraft quality self-locking nuts for wrenching (hex, spline) and anchor (plate, gang channel, shank) types of nuts made from a corrosion and heat-resistant nickel-base alloy of the type identified under the Unified Numbering System as UNS N07001. Tension height nuts having overall length of threaded portion not less than 1.2 times the nominal thread diameter have 1210 MPa minimum tensile strength at room temperature. Shear height nuts having shorter threaded portion have 1100 MPa minimum tensile strength at room temperature. Maximum test temperature of parts is 730 °C.
Standard

Standard Four-Letter Coding as an Identification Method for Alternative Fuel Vehicles

2024-05-07
WIP
J3108/1
SAE J3108 RP provides fuel and hazard guidance for first and second responders of incidents associated with alternative fueled vehicles. The intent of this SAE J3108-1 RP is to remain with the limited number of seven intuitive and colored letters contained in each of the first two letter positions (72=49). However, the use of four letters plus nine digits (to not use either 0 or o) permits up to 1185921 unique identifiers (334) for future expansion. The RP is not intended to replace the standards for SAE J2990 format emergency response guide (ERG) created by automotive manufacturers for use at the scene of an emergency. Automotive OEMs are encouraged to reference this RP for industry design guidance when creating vehicle requirements and ERGs. This coding should be consistent with other vehicle badging with the goal of providing additional clarity.
Best Practice

Lighting and Visual Information for Vulnerable Road User (VRU) Safety: An Introductory Review

2024-05-03
CURRENT
VRUSC-002-2024
Injuries and fatalities among pedestrians, cyclists, scooterists, highway road workers, and safety and emergency personnel—often referred to as vulnerable road users (VRUs)—continue to rise at alarming rates worldwide. Emphasizing the urgent need for enhanced safety measures, this study, commissioned by the Vulnerable Road User Safety Consortium™ (VRUSC) and conducted by the Light and Health Research Center at the Icahn School of Medicine at Mount Sinai, evaluates the potential effectiveness of lighting and visual information systems in improving VRU safety. The white paper presents a synthesis of published research on lighting and markings from the perspective of both human drivers and machine vision systems. It identifies potential preliminary guidelines for the intensity, color, temporal, and spatial characteristics of lighting and visual information that can help prevent crashes involving VRUs.
Standard

Wheel End Assembly and Axle Spindle Interface Dimensions - Truck and Bus

2024-04-29
WIP
J2475
This recommended practice contains dimensions and tolerances for spindles in the interface area. Interfacing components include axle spindle, spindle threads, bearing cones, bearing spacer, seal, and wheel hub. This recommended practice is intended for axles commonly used on Class 7 and 8 commercial vehicles. Included are SAE axle configurations FF, FL, I80, L, N, P, R, U, and W.
Standard

Free Motion Headform Impact Tests of Heavy Truck Cab Interiors

2024-04-25
WIP
J2424
This SAE Recommended Practice describes the test procedures for conducting free motion headform testing of heavy truck cab interior surfaces and components. A description of the test set-up, instrumentation, impact configuration, target locations, and data reduction is included.
Standard

Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers

2024-04-24
WIP
J1469
This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental performance. A minimum of six test units designated A, B, C, D, E, and F are to be used to perform all tests per 1.1 and 1.2.
Standard

Low-Duty Inertia Dynamometer Hydraulic Brake Wear Test Procedures for Vehicles Above 4536 kg (10000 pounds) of GVWR

2024-04-24
WIP
J3006
This Recommended Practice is derived from OEM and tier-1 laboratory tests and applies to two-axle multipurpose passenger vehicles, or trucks with a GVWR above 4536 kg (10 000 pounds) equipped with hydraulic disc or drum service brakes. Before conducting testing for a specific brake sizes or under specific test conditions, review, agree upon, and document with the test requestor any deviations from the test procedure. Also, the applicable criteria for the final test results and wear rates deemed as significantly different require definition, assessment, and proper documentation; especially as this will determine whether or not Method B testing is needed. This Recommended Practice does not evaluate or quantify other brake system characteristics such as performance, noise, judder, ABS performance, or braking under extreme temperatures or speeds. Minimum performance requirements are not part of this recommended practice.
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