Low-noise, high-strength, spiral-bevel gears for helicopter transmissions
By: David G. Lewicki ... [et al.].
Contributors: Lewicki, David G.; United States. National Aeronautics and Space Administration.; U.S. Army Research Laboratory.
Series: NASA technical memorandum -- 106080.; Army research laboratory memorandum report -- ARL-MR-71.; Army Research Laboratory memorandum report -- ARL-MR-71.
Publisher: National Aeronautics and Space Administration]; U.S. Army Research Laboratory; National Technical Information Service, distributor
Published: 1993
Place of publication: [Washington, DC; [Springfield, Va
Language: eng
Format: Microform
Subjects: Helicopters -- Transmission devices.; Gearing.
Other titles: Low noise, high strength, spiral bevel ....
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 93-0941-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 1 microfiche.