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Overview of SAE J2931/7 The SAE J2931/7 standard, titled "Security for Plug-In Electric Vehicle Communications," provides a comprehensive framework for securing communications in plug-in electric vehicles (PEVs). Published in 2018, this information report defines a logical architecture, interfaces, and security…
SAE J1279 provides minimum requirements and standardized tests for evaluating the structural integrity of snowmobile drive mechanisms. This standard, revised in 2024 from a recommended practice to a full standard, covers drive pulleys, driven pulleys, torque converters, centrifugal clutches, and…
The SAE J1973-2023 standard provides a uniform test procedure and performance requirements for personal watercraft (PWC) flotation. It ensures that after swamping, the craft retains sufficient buoyancy to support itself and its occupants. This article outlines the key requirements, including…
SAE J1192-2017 sets the benchmark for the performance and longevity of audible warning devices (AWDs), commonly known as horns, on motorcycles. This standard, revised in December 2017, specifies rigorous testing procedures to ensure that horns remain effective throughout their service…
Standardized Testing Procedures for Remanufactured Steering Gears Remanufacturing a hydraulically-operated rack and pinion steering gear requires a controlled process to ensure it meets the reliability and performance of a new OEM unit. According to SAE J1890, the gear must be…
For automotive engineers and quality assurance professionals working with hydraulic brake systems, the performance of molded rubber cups is critical to safety and reliability. SAE J1601 (Stabilized 2011) provides the definitive standard for performance testing of these components. This article…
Ensuring accurate and efficient fueling of heavy-duty LNG vehicles requires a solid understanding of both cryogenic principles and practical dispensing system design. The SAE J2645-2018 recommended practice (stabilized but still referenced) provides essential guidelines for metering and dispensing liquefied natural…
Fuel cell vehicles (FCVs) are gaining traction as a zero-emission alternative with quick refueling and long range. However, thermal management of proton exchange membrane (PEM) fuel cell stacks presents unique engineering challenges that differ significantly from conventional internal combustion engines.…
Unmanned ground vehicles (UGVs) are increasingly deployed in critical missions ranging from defense to industrial inspection. However, achieving consistent operational reliability remains a major challenge. The SAE J2958-2020 report provides a comprehensive breakdown of UGV reliability into component and system…
The SAE J3005-1 recommended practice provides essential guidelines for engineers designing and deploying permanently or semi-permanently installed diagnostic communication devices. As vehicles increasingly integrate systems such as Remote I/M applications, Portable Emission Measurement Systems (PEMS), GPS trackers, wireless interfaces, insurance…