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Directional Stability Characteristics of Two Types of Tandem Helicopter Fuselage Models
James L. Williams
出版National Advisory Committee for Aeronautics, 1954
URLhttp://books.google.com.hk/books?id=ayxkx6LSm7wC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN
註釋A low-speed investigation was made in the Langley stability tunnel to determine and improve, if possible, the directional stability characteristics of two tandem helicopter fuselages, one representing a helicopter with overlapping rotors (overlap-type fuselage) and the other a helicopter with nonoverlapping proptes (nonoverlap-type fuselage).