Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
The 2024 revision of SAE J2784 brings important clarifications and corrections to the inertia dynamometer test procedure for vehicles below 4540 kg GVWR. This standard, essential for evaluating braking performance under FMVSS 135 and FMVSS 105, now provides a moreā¦
Brake noise and vibration (NVH) events are among the most complex and subjective issues faced by automotive engineers. Without a common language, describing a specific squeal or groan can lead to confusion, wasted development time, and ineffective fixes. The SAEā¦
The electrical conductivity of coolant hose covers can significantly influence the durability of hose clamps in automotive cooling systems. SAE J2790-2021 provides a standardized four-wire test method to measure this resistance accurately, addressing a known failure mode where current flowā¦
The SAE J278-2021 standard, originally issued in 1971 and recently revised, provides comprehensive test procedures, performance requirements, and design guidelines for snowmobile stop lamps. This update aligns the standard with modern lighting practices and harmonizes it with other SAE lampā¦
The SAE J2782-2019 standard provides essential performance specifications for a midsize male pedestrian research dummy, ensuring realistic and repeatable evaluations of vehicle-pedestrian interactions. This Information Report, revised from the 2010 version, encompasses both component-level and full-scale assembly biofidelity requirements, makingā¦
Mobile air conditioning systems play a critical role in vehicle comfort and energy efficiency. To accurately evaluate their performance, SAE J2765-2017 provides a standardized test bench procedure for measuring system coefficient of performance (COP) and cooling capacity under steady-state conditions.ā¦
SAE J2772 provides a uniform test procedure for evaluating refrigerant concentration levels inside a vehicle passenger compartment resulting from leakage of a mobile air conditioning (MAC) system. The standard includes both analytical and physical test methods, making it adaptable toā¦
The transition to low-global-warming-potential refrigerants in mobile air conditioning (MAC) systems brings new safety considerations. SAE J2773-2020 offers a structured framework for evaluating hazards throughout a vehicle’s lifecycle. This article summarizes the standard’s key requirements, risk scenarios for common refrigerants,ā¦
The SAE J2754-2019 standard provides a consistent, industry-recognized method for approximating the volume of material that can be contained in a grapple mounted to an excavator and operated through its bucket linkage. This rating is based on a geometric decompositionā¦
The SAE J2763-2015 standard provides a reproducible method for measuring refrigerant loss from mobile air conditioning (MAC) systems using a controlled Mini-Shed chamber. By simulating real-world temperature profiles and including system seasoning, this procedure enables engineers to estimate annual emissionsā¦