Analytical study of static and low-speed performance of thin propellers using two-speed gear ratios to obtain optimum rotational speeds

Author:	Gilman, Jean, Jr.
Year:	1952
Document Type:	N/A
Series:	NACA Research Memorandums
Report Number:	NACA-RM-L52I09
Link:	https://digital.library.unt.edu/ark:/67531/metadc59403/