Heavy lift helicopter--advanced technology component program--hub and upper controls
By: Boeing Vertol Company ; prepared for U.S. Army Aviation Research and Development Command [and] Applied Technology Laboratory, U.S. Army Research and Technology Laboratories (AVRADCOM).
Contributors: Army Research and Technology Laboratories (U.S.). Applied Technology Laboratory.; Boeing Vertol Company.
Series: USAAMRDL-TR -- 77-37.
Publisher: The Command; The Laboratory
Published: 1977
Place of publication: St. Louis, Mo; Fort Eustis, Va
Language: eng
Number of pages: 181
Subjects: Rotors (Helicopters) -- Design and construction.; Helicopters -- Control systems.
Notes: Cover title.

"Final report for period July 1971-July 1975."

"September 1977."

Contract no. DAAJ01-71-C-0840 (PGS).

Includes bibliographical references.