Annual Report of the National Advisory Committee for Aeronautics, Volume 20; Volumes 475-507U.S. Government Printing Office, 1934 - Aeronautics Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37. |
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Common terms and phrases
aerodynamic ailerons air flow air speed air-fuel ratio aircraft airfoil airplane alloys angle of attack approximately autogiro axis biplane blade boundary layer Bureau calculated characteristics chord Coco Solo combustion Committee for Aeronautics compressibility corrosion cowling curves deflection determined diameter dihedral distribution drag coefficient duralumin edge effect engine equation experimental Exposed cylinders feet per second fillet flight frequency front fuel fuselage given hood increase indicated injection investigation landing gears LANGLEY FIELD Lift coefficient load maximum lift measured method miles per hour Monoplane nacelle nacelle drag National Advisory Committee obtained percent pitch plunger and sleeve pounds per square pressure Profile-drag coefficient propeller radiation ratio rear reference Reynolds Number rotor shown in figure shows solution specimens spoilers spray strips square inch struts surface TABLE temperature tests thickness tion trim tube V/VC values velocity vibration wheel fairing wind tunnel windshield yawing
Popular passages
Page 2 - Aeronautics to supervise and direct the scientific study of the problems of flight, with a view to their practical solution, and to determine the problems which should be experimentally attacked, and to discuss l heir solution and their application to practical questions.
Page 249 - The investigation was conducted by the National Advisory Committee for Aeronautics at Langley Field, Va.
Page 437 - Wind-Tunnel Research Comparing Lateral Control Devices, Particularly at High Angles of Attack.
Page 35 - Standards; together with not more than five additional persons who shall be acquainted with the needs of aeronautical science, either civil or military, or skilled in aeronautical engineering or its allied sciences...
Page 105 - Fred E.: Working Charts for the Selection of Aluminum Alloy Propellers of a Standard Form to Operate with Various Aircraft Engines and Bodies.
Page 39 - A Flight Investigation of the Lateral Control Characteristics of Short Wide Ailerons and Various Spoilers with Different Amounts of Wing Dihedral.
Page 343 - The radio frequency and intermediate frequency parts of a radio receiver that produce a low level output signal. tuning The process of adjusting a given frequency; in particular, to adjust for resonance or for maximum response to a particular incoming signal. turns ratio In a transformer, the ratio of the number of turns on the secondary to the number of turns on the primary. tweaking The process of adjusting an electronic circuit to optimize its performance.
Page 579 - Weick, Fred E., and Wood, Donald H.: The Twenty-Foot Propeller Research Tunnel of the National Advisory Committee for Aeronautics.
Page 316 - ... first digit indicates the mean camber in percent of the chord; the second, the position of the camber in tenths of the chord aft of the leading edge ; and the last two give the maximum thickness in percent of the chord. The group of digits following the dash designate the thickness distribution. The first digit designates the leading-edge radius and the second digit gives the position...