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Directional Stability Of Towed Airplanes
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Book Synopsis Directional Stability of Towed Airplanes by : W. Söhne
Download or read book Directional Stability of Towed Airplanes written by W. Söhne and published by . This book was released on 1956 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: So far, very careful investigations have been made regarding the flight properties, in particular the static and dynamic stability, of engine-propelled aircraft and of untowed gliders. In contrast, almost no investigations exist regarding the stability of airplanes towed by a towline. Thus, the following report will aim at investigating the directional stability of the towed airplane and, particularly, at determining what parameters of the flight attitude and what configuration properties affect the stability. The most important parameters of the flight attitude are the dynamic pressure, the aerodynamic coefficients of the flight attitude, and the climbing angle. Among the configuration properties, the following exert the greatest influence on the stability: the tow-cable length, the tow-cable attachment point, the ratio of the wing loadings of the towing and the towed airplanes, the moments of inertia, and the wing dihedral of the towed airplane. In addition, the size and shape of the towed airplane vertical tail, the vertical tail length, and the fuselage configuration are decisive factors in determining the yawing moment and side force due to sideslip, respectively.
Book Synopsis Experimental Investigation of the Dynamic Stability of a Towed Parawing Glider Model by : Robert E. Shanks
Download or read book Experimental Investigation of the Dynamic Stability of a Towed Parawing Glider Model written by Robert E. Shanks and published by . This book was released on 1963 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Overview of an Experimental Demonstration Aerotow Program by : James E. Murray
Download or read book An Overview of an Experimental Demonstration Aerotow Program written by James E. Murray and published by . This book was released on 1998 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical Analysis of the Lateral Stability of a Glider Towed by Twin Parallel Towlines by : Marvin Pitkin
Download or read book Theoretical Analysis of the Lateral Stability of a Glider Towed by Twin Parallel Towlines written by Marvin Pitkin and published by . This book was released on 1943 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical analysis of the lateral stability characteristics of a glider towed by two parallel towlines has been made and correlated with previously reported dynamic flight tests of a glider model in the NACA free-flight tunnel. Calculations were made for a range of effective dihedral angles from -6 to 14 degrees, a range of towline lengths from one to three glider spans, lift coefficients of 0.30 and 0.75, and a range of glider lift-drag ratios from 4.5 to 21.0. The results of the theoretical analysis indicated that a glider towed by twin parallel cables possesses sufficient stability for satisfactory pilotless towed flight.
Book Synopsis Stability of a Body Stabilized by Fins and Suspended from an Airplane by : W. H. Phillips
Download or read book Stability of a Body Stabilized by Fins and Suspended from an Airplane written by W. H. Phillips and published by . This book was released on 1944 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: A theoretical investigation has been made of the oscillations performed by suspended bodies of the type commonly used for trailing airspeed heads ans similar towed devices. The primary purpose of the investigation was to design an instrument that will remain stable as it is drawn up to a support underneath an airplane without attention on the part of the pilot. Flight tests of a model airspeed head were made to supplement the theoretical study. Unstable oscillations of the body at short cable lengths were predicted by the theory, but the rate of increase of amplitude of these oscillations was very small. In flight tests, more violent types of instability were believed to be caused by unsteady or nonuniform air flow in the region where the cable was lowered from the airplane. No practical method was found to provide large damping of the oscillations at short cable lengths, but the degree of stability present in a suitably designed suspended body was shown to be satisfactory if the body was lowered into a uniform air stream.
Book Synopsis Experimental Investigation of the Dynamic Stability of a Towed Parawing Glider Air Cargo Delivery System by : Robert E. Shanks
Download or read book Experimental Investigation of the Dynamic Stability of a Towed Parawing Glider Air Cargo Delivery System written by Robert E. Shanks and published by . This book was released on 1964 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Memorandums by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Memorandums written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1956 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chiefly translations from foreign aeronautical journals.
Book Synopsis Index of NACA Technical Publications by : United States. National Advisory Committee for Aeronautics
Download or read book Index of NACA Technical Publications written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1957 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Memorandum - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Memorandum - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1956 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chiefly translations from foreign aeronautical journals.
Book Synopsis Annual Report of the National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report of the National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1928 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1963 with total page 1304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by and published by . This book was released on 1953 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Abstracts and Reclassification Notice by : United States. National Advisory Committee for Aeronautics
Download or read book Research Abstracts and Reclassification Notice written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1954 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by :
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by and published by . This book was released on 1949 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NASA Technical Publications by : United States. National Aeronautics and Space Administration
Download or read book Index of NASA Technical Publications written by United States. National Aeronautics and Space Administration and published by . This book was released on 1960 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NASA Technical Publications by :
Download or read book Index of NASA Technical Publications written by and published by . This book was released on 1959 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Towing Tests of Models as an Aid in the Design of Seaplanes by : P. Schröder
Download or read book Towing Tests of Models as an Aid in the Design of Seaplanes written by P. Schröder and published by . This book was released on 1932 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report concerns the making and evaluation of a towing test of a seaplane float system. Some of the topics considered are: 1) the influence of the wing cell and power plant on the take-off performance; 2) the determination of the resistance curve for the take-off free to trim; 3) the resistance curves with elevator control (at fixed trims); 4) take-off time and take-off run.
