Authors: Rich, Melvin J.; Ridgley, Gerald F.; Lowry, David W.
Source: Journal of the American Helicopter Society, Volume 20, Number 3, 1 July 1975, pp. 2-8(7)
Publisher: AHS International
Document Type: Research Article
Affiliations: Sikorsky Aircraft Division of United Aircraft Corporation, Stratford, Connecticut 06602
Publication date: July 1, 1975