Advanced Rotorcraft Transmission (ART) Program : Boeing helicopters status report.

Bibliographic Details

Main Author:	Lenski, Joseph W.
Corporate Authors:	United States. National Aeronautics and Space Administration, United States. Army Aviation Research and Technology Activity
Other Authors:	Valco, Mark J.
Format:	Government Document Book
Language:	English
Published:	[Washington, DC] : [St. Louis, Mo.] : National Aeronautics and Space Administration ; US Army Aviation Systems Command, Aviation R&T Activity ; [1991?]
Series:	AVSCOM technical report ; 91-C-032. NASA technical memorandum ; 104474.
Subjects:	Bearings. GEARS. Helicopter propeller drive. Propulsive efficiency. Service life. Transmissions (machine elements)