Historical
ANSI/ASHRAE 87.2-2002
In-Situ Method of Testing Propeller Fans for Reliability
The intent of this standard is to recommend procedures that will permit evaluation of the dynamic characteristics of propeller fan assemblies as tested in the equipment in which they will be applied. This standard applies to propeller fans used in HVAC equipment that is built up or of monolithic construction, may include a slinger ring or hub, or both, and is direct or belt driven. I-P units of measurement only.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]