GB/T 12536-1990

Abolished

Motor vehicles--Coastdown--Test method

汽车滑行试验方法

Standard Type
GBT
ICS
43.020
CCS
T04
Status
Abolished
Issue Date
1990-12-12
Implementation
1991-09-01
Centralized Committee
工业和信息化部
Issuing Authority
国家技术监督局

Application Summary AI generated

This standard specifies the test method for measuring the coastdown performance of motor vehicles, which involves decelerating from a set speed in neutral gear on a level road. It is applied in the automotive industry to evaluate vehicle rolling resistance and aerodynamic drag, primarily during vehicle development and type-approval testing. The results are used to calculate road load coefficients for fuel economy and emissions certification on chassis dynamometers.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.