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Comparison of vee-type and conventional tail surfaces in combination with fuselage and wing in the variable-density tunnel / by Harry Greenberg.
- Format:
- Book
- Government document
- Author/Creator:
- Greenberg, Harry, author.
- Series:
- Technical note (United States. National Advisory Committee for Aeronautics) ; 815.
- Technical note / National Advisory Committee for Aeronautics ; no. 815
- Language:
- English
- Subjects (All):
- Airplanes--Tail surfaces.
- Airplanes.
- Pitching (Aerodynamics)--Measurement.
- Pitching (Aerodynamics).
- Yawing (Aerodynamics)--Measurement.
- Yawing (Aerodynamics).
- Physical Description:
- 1 online resource (11 pages, 7 unnumbered pages) : illustrations
- Place of Publication:
- Washington [D.C.] : National Advisory Committee for Aeronautics, 1941.
- Summary:
- The pitching and yawing moments of a vee-type and a conventional type of tail surface were measured. The tests were made in the presence of a fuselage and a wing-fuselage combination in such a way as to determine the moments contributed by the tail surfaces. The results showed that the vee-type tail tested, with a dihedral angle of 35.3 degrees, was about 71 percent as effective in pitch as the conventional tail and had a yawing-moment to pitching-moment ratio of 0.3. The conventional tail, the panels of which were all congruent to those of the vee-type tail, had a yawing-moment to pitching-moment ratio of 0.48. These ratios are in fair agreement with values calculated by methods shown in this and previous reports. The values of the measured moments were produced from 15 to 25 percent of the calculated value by fuselage interference.
- Notes:
- "July 1941."
- "Langley Memorial Aeronautical Laboratory."
- No Federal Depository Library Program (FDLP) item number.
- Includes bibliographical references (page 10).
- Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2014.
- Print version record.
- Other Format:
- Print version: Greenberg, Harry. Comparison of vee-type and conventional tail surfaces in combination with fuselage and wing in the variable-density tunnel
- OCLC:
- 1158388761
- Access Restriction:
- Use copy Restrictions unspecified
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