Tank Tests Of A Model Of The Hull Of The Navy Pb 1 Flying Boat Naca Model 52 PDF Download
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| Author | : John Mack Allison |
| Publisher | : |
| Total Pages | : 10 |
| Release | : 1936 |
| Genre | : Seaplanes |
| ISBN | : |
Download Tank Tests of a Model of the Hull of the Navy PB-1 Flying Boat - N.A.C.A. Model 52 Book in PDF, ePub and Kindle
The resistance obtained from the fixed-trim test was found to be about the same as that of the model of the NC flying boat hull, and greater at the hump but smaller at high speeds than that of a mode of the Sikorsky S-40 flying-boat hull.
| Author | : John M. Allison |
| Publisher | : |
| Total Pages | : 29 |
| Release | : 1936 |
| Genre | : |
| ISBN | : |
Download Tank Tests of a Model of the Hull of the Navy PB-1 Flying Boat - NACA Model 52 Book in PDF, ePub and Kindle
| Author | : United States. National Advisory Committee for Aeronautics |
| Publisher | : |
| Total Pages | : 762 |
| Release | : |
| Genre | : Aeronautics |
| ISBN | : |
Download Technical Note - National Advisory Committee for Aeronautics Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 542 |
| Release | : |
| Genre | : Aeronautics |
| ISBN | : |
Download Technical Note Book in PDF, ePub and Kindle
| Author | : United States. National Advisory Committee for Aeronautics |
| Publisher | : |
| Total Pages | : 624 |
| Release | : 1928 |
| Genre | : Aeronautics |
| ISBN | : |
Download Annual Report of the National Advisory Committee for Aeronautics Book in PDF, ePub and Kindle
| Author | : Carl J. Wenzinger |
| Publisher | : |
| Total Pages | : 508 |
| Release | : 1937 |
| Genre | : Aerodynamic load |
| ISBN | : |
Download Pressure Distribution Over a Clark Y-H Airfoil Section with a Split Flap Book in PDF, ePub and Kindle
An investigation was made in the N.A.C.A. 7- by 10-foot wind tunnel of the distributions of air pressure over one chord section of the Clark Y-H airfoil with a split flap. The results obtained are given in the form of diagrams showing the chordwise distribution of pressure on both airfoil and flap and as plots of calculated aerodynamic coefficients for both airfoil and flap.
| Author | : Albert E. McPherson |
| Publisher | : |
| Total Pages | : 584 |
| Release | : 1942 |
| Genre | : Plates (Engineering) |
| ISBN | : |
Download Normal-pressure Tests of Circular Plates with Clamped Edges Book in PDF, ePub and Kindle
A fixture is described for making normal-pressure tests of flat plates 5 inches in diameter in which particular care was taken to obtain rigid clamping at the edges. Results are give for 19 plates, ranging in thickness from 0.015 to 0.072 inch. The center deflections and the extreme-fiber stresses at low pressures were found to agree with theoretical values; the center deflections at high pressures were 4 to 12 percent greater than the theoretical values. Empirical curves are derived of the pressure for the beginning of permanent set as a function of the dimensions of the plate and the tensile properties of the material.
| Author | : United States. National Advisory Committee for Aeronautics |
| Publisher | : |
| Total Pages | : 616 |
| Release | : 1949 |
| Genre | : Aeronautics |
| ISBN | : |
Download Index of NACA Technical Publications Book in PDF, ePub and Kindle
| Author | : Starr Truscott |
| Publisher | : |
| Total Pages | : 586 |
| Release | : 1938 |
| Genre | : Drag (Aerodynamics) |
| ISBN | : |
Download Hydrodynamic and Aerodynamic Tests of Models of Flying-boat Hulls Designed for Low Aerodynamic Drag Book in PDF, ePub and Kindle
N.A.C.A. models 74, 74-A, and 75 were tested in the N.A.C.A. tank to determine their hydrodynamic properties and in the N.A.C.A. 20-foot wind tunnel to determine their aerodynamic properties. The forms of these models were derived from that of a solid of revolution having a lowe air drag, and the departures from the form of this low-drag body were the minimum considered to give satisfactory take-off performance. Model 74 has a rounded bottom with flared chines, a transverse step wit ha small fairing aft of it, and a pointed afterbody. Model 74-A has the same forme except for the removal of the fairing aft of the step. Model 75 has a pointed step and a horizontal afterbody derived from the form of the N.A.C.A. model 35 series.
| Author | : Eastman Nixon Jacobs |
| Publisher | : |
| Total Pages | : 534 |
| Release | : 1936 |
| Genre | : Aerofoils |
| ISBN | : |
Download Tests of N.A.C.A. Airfoils in the Variable-density Wind Tunnel Book in PDF, ePub and Kindle
The results of tests of six airfoils having the N.A.C.A. 230 mean line and varying in thickness from 0.06c to 0.21c are presented. These results agree with previous findings in showing that aerodynamically the best section is one of moderate thickness. The data are of value mainly in connection with the design of tapered wings having sections based on the N.A.C.A. 230 mean line.
