Patent ID: 11874196
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A method of performing an attitude test of an aircraft engine, comprising:
transporting a trailer and a portable attitude test stand (PATS) mounted on the trailer from a first site to a second site, a test cell of the PATS having a transport height during the transporting;
at the second site, increasing a height of a test cell of the PATS from the transport height to a test height greater than the transport height, the test height selected to allow pitch movements of the aircraft engine;
drivingly engaging the aircraft engine to a rotational resistance to simulate a rotatable load of the aircraft engine;
starting the aircraft engine; and
moving the aircraft engine about yaw and pitch axes with the test cell while the aircraft engine is running.