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  • Other Sources  (29)
  • Aircraft Design, Testing and Performance  (22)
  • Seismics (controlled source seismology)  (6)
  • LUNAR AND PLANETARY EXPLORATION
  • 1935-1939  (29)
Collection
  • Other Sources  (29)
Source
Keywords
Years
Year
  • 1
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    The amplitudes of waves to be expected in seismic prospecting (1936)
    In:  Geophysics, Milano, Gustav Fischer, vol. 1, no. 3, pp. 252-256, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1936
    Keywords: Applied geophysics ; Amplitude ; Seismics (controlled source seismology)
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Seismic reflection profile across Los Angeles Basin (1935)
    In:  Geol. Soc. Am. Proc., Milano, Gustav Fischer, vol. 45, no. 3, pp. 327-328, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1935
    Keywords: Seismology ; Seismics (controlled source seismology) ; Reflection seismics
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    On some problems concerning the seismic field methods (1936)
    In:  Beiträge zur angewandten Geophysik, Milano, Gustav Fischer, vol. 6, no. 3, pp. 125-140, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1936
    Keywords: Applied geophysics ; Seismics (controlled source seismology)
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Zur Entwicklung der seismographischen Aufschlußmethoden (1939)
    In:  Ergebnisse der kosmischen Physik, Milano, Gustav Fischer, vol. 4, no. 6, pp. 169-218, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1939
    Keywords: Applied geophysics ; Seismics (controlled source seismology)
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    Investigation of overthrust faults by seismic methods (1935)
    In:  Science, Potsdam, ZIPE, vol. 81, no. 23, pp. 384-386, pp. 5091692, (ISBN: 0-12-018847-3)
    Details
    Publication Date: 1935
    Keywords: Seismology ; Seismics (controlled source seismology) ; Geol. aspects ; Tectonics
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    BIBLIOGRAPHY SEISMOLOGY
  • 6
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    Seismic reflection profile across Los Angeles Basin (1935)
    In:  Pan Am. Geologist, Milano, Gustav Fischer, vol. 63, no. 3, pp. 303, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1935
    Keywords: Seismology ; Seismics (controlled source seismology) ; Reflection seismics
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    BIBLIOGRAPHY SEISMOLOGY
  • 7
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    Determination of Venus winds by ground-based radio tracking of the VEGA balloons (1938)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: A global array of 20 radio observatories was used to measure the three-dimensional position and velocity of the two meteorological balloons that were injected into the equatorial region of the Venus atmosphere near Venus midnight by the VEGA spacecraft on June 11 and 15, 1985. Initial analysis of only radial velocities indicates that each balloon was blown westward about 11,500 kilometers (8,000 kilometers on the night side) by zonal winds with a mean speed of about 70 meters per second. Excursions of the data from a model of constant zonal velocity were generally less than 3 meters per second; however, a much larger variation was evident near the end of the flight of the second balloon. Consistent systematic trends in the residuals for both balloons indicate the possibility of a solar-fixed atmospheric feature. Rapid variations in balloon velocity were often detected within a single transmission (330 seconds); however, they may represent not only atmospheric motions but also self-induced aerodynamic motions of the balloon.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Science (ISSN 0036-8075); 231; 1414-141
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    The Effect of the Angle of Afterbody Keel on the Water Performance of a Flying-Boat Hull Model (1935)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: NACA model 11-C was tested according to the general method with the angle of afterbody keel set at five different angles from 2-1/2 degrees to 9 degrees, but without changing other features of the hull. The results of the tests are expressed in curves of test data and of non-dimensional coefficients. At the depth of step used in the tests, 3.3 percent beam, the smaller angles of afterbody keel give greater load-resistance ratios at the hump speed and smaller at high speed than the larger angles of afterbody keel. Comparisons are made of the load-resistance ratios at several other points in the speed range. The effect of variation of the angle of afterbody keel upon the take-off performance of a hypothetical flying boat of 15,000 pounds gross weight having a hull of model 11-C lines is calculated, and the calculations show that the craft with the largest of the angles of afterbody keel tested, 9 degrees, takes off in the least time and distance.
    Keywords: Aircraft Design, Testing and Performance
    Type: NACA-TN-541
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    A Flight Determination of the Moments of the YG-1B Tapered Blade Rotor about the Hub Trunnions (1939)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: At the request of the Materiel Division, Wright Field, the National Advisory Committee for Aeronautics is conducting a program of flight tests on a Kellett YG-1B autogiro equipped with a new type of rotor blade. The new blades are tapered in both plan form. and thickness and are designed to avoid periodic blade twist. One phase of the investigation, involving determination of the moments of the resultant rotor force about the trunnions on which the hub is pivoted for control, has been completed. The results obtained are reported herein.
    Keywords: Aircraft Design, Testing and Performance
    Type: NACA-MR-X-1939
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    Preliminary Fatigue Studies on Aluminum Alloy Aircraft Girders (1938)
    In:  CASI
    Details
    Publication Date: 2019-08-13
    Description: Preliminary information on the complex subject of the fatigue strength of fabricated structural members for aircraft is presented in the test results obtained on several different types of airship girders subjected to axial tension and compression in a resonance fatigue machine. A description of this machine as well as numerous photographs of the fatigue failures are given. There is also presented an extended bibliography on the subject of fatigue strength.
    Keywords: Aircraft Design, Testing and Performance
    Type: NACA-TN-637
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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