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Wind Tunnel Tests Of A Blunt Nose Aileron With Beveled Trailing Edge On An Naca 66215 216 Airfoil With Several Modifications Of Aileron Nose And Adjacent Airfoil Contour
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Book Synopsis Wind-tunnel Tests of a Blunt-nose Aileron with Beveled Trailing Edge on an NACA 66(215)-216 Airfoil with Several Modifications of Aileron Nose and Adjacent Airfoil Contour by : J. D. Bird
Download or read book Wind-tunnel Tests of a Blunt-nose Aileron with Beveled Trailing Edge on an NACA 66(215)-216 Airfoil with Several Modifications of Aileron Nose and Adjacent Airfoil Contour written by J. D. Bird and published by . This book was released on 1945 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: Ailerons having a beveled trailing edge and a blunt-nose overhand of 35 percent aileron chord on an NACA 66(215)-216 airfoil have been tested in the two-dimensional-flow test section of the Langley stability tunnel. Five configurations of the model were tested with various modifications of the aileron nose and adjacent airfoil contour to determine the effect of these modifications on the lift and aileron hinge-moment characteristics. The results indicated that making the nose of the aileron more elliptical decreased the balance of hinge moments at small aileron angels and increased the balance of hinge moments at large aileron angles. The lift coefficients, especially at large aileron angles, were increased by this modification. Flaring the airfoil contour near the aileron nose had an effect on the hinge moments for small aileron angles similar to the effect of making the aileron nose less blunt, whereas rounding the airfoil contour had an effect similar to making the aileron nose more blunt. Flaring the airfoil contour caused a decrease in the lift resulting from aileron deflection. The effects of airfoil-contour changes were small at large aileron angles. Comparison with other data indicated that, for small aileron angels, the increments of hinge-moment coefficient resulting from a beveled trailing edge and a blunt-nose overhang were additive.
Book Synopsis Wind-tunnel Tests of a Blunt-nose Aileron With Beveled Trailing Edge on an NACA 66(215)-216 Airfoil With Several Modifications of Aileron Nose and Adjacent Airfoil Contour by : Langley Aeronautical Laboratory
Download or read book Wind-tunnel Tests of a Blunt-nose Aileron With Beveled Trailing Edge on an NACA 66(215)-216 Airfoil With Several Modifications of Aileron Nose and Adjacent Airfoil Contour written by Langley Aeronautical Laboratory and published by Hassell Street Press. This book was released on 2021-09-09 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis Wind-tunnel Tests of a Blunt-nose Aileron with Beveled Trailing Edge on an NACA 66(215)-216 Airfoil with Several Modification of Aileron Nose and Adjacent Airfoil Contour by : J. D. Bird
Download or read book Wind-tunnel Tests of a Blunt-nose Aileron with Beveled Trailing Edge on an NACA 66(215)-216 Airfoil with Several Modification of Aileron Nose and Adjacent Airfoil Contour written by J. D. Bird and published by . This book was released on 1945 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ailerons having a beveled trailing edge and a blunt-nose overhang of 35 percent aileron chord on an NACA 66(215)-216 airfoil have been tested in the two-dimensional-flow test section of the Langley stability tunnel. Five configurations of the model were tested with various modifications of the aileron nose and adjacent airfoil contour to determine the effect of these modifications on the lift and the aileron hinge-moment characteristics.
Book Synopsis WInd-tunnel Tests of Ailerons at Various Speeds by : W. Letko
Download or read book WInd-tunnel Tests of Ailerons at Various Speeds written by W. Letko and published by . This book was released on 1943 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pressure-distribution tests of an NACA 66,2-216, a = 1.0, airfoil, equipped with a blunt-nose-balance aileron and a sealed internal-balance aileron, and of an NACA 23012 airfoil, equipped with a Frise aileron and a blunt-nose- aileron, were made in the two-dimensional test-balance section of the LMAL stability tunnel. The tests were made at various airspeeds corresponding to Mach numbers of approximately 0.20 to 0.47. The pressures were measured on the upper and lower surface at the mid-spans of the main airfoil and the aileron for several different aileron deflections at several angles of attack.
Book Synopsis Wind-Tunnel Tests of Ailerons at Various Speeds. 1 - Ailerons of 0.20 Airfoil Chord and Tube Contour with 0.35 Aileron-Chord Extreme Blunt Nose Balance on the NACA 66,2-216 Airfoil by :
Download or read book Wind-Tunnel Tests of Ailerons at Various Speeds. 1 - Ailerons of 0.20 Airfoil Chord and Tube Contour with 0.35 Aileron-Chord Extreme Blunt Nose Balance on the NACA 66,2-216 Airfoil written by and published by . This book was released on 1943 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis WInd-tunnel Tests of Ailerons at Various Speeds by : W. Letko
Download or read book WInd-tunnel Tests of Ailerons at Various Speeds written by W. Letko and published by . This book was released on 1943 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hinge-moment, lift, and pressure-distribution measurements were made in the two-dimensional test section of the NACA stability tunnel on a blunt-nose balance-type aileron on an NACA 66,2-216 airfoil at speeds up to 360 miles per hour corresponding to a Mach number of 0.475. The tests were made primarily to determine the effect of speed on the action of this type of aileron. The balance-nose radii of the aileron were varied from 0 to 0.02 of the airfoil chord and the gap width was varied from 0.0005 to 0.0107 of the airfoil chord. Tests were also made with the gap sealed.
Book Synopsis Wind-tunnel Tests of Ailerons at Various Speeds by : W. Letko
Download or read book Wind-tunnel Tests of Ailerons at Various Speeds written by W. Letko and published by . This book was released on 1943 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Investigation of Ailerons on a Low-drag Airfoil by : Robert M. Crane
Download or read book Wind-tunnel Investigation of Ailerons on a Low-drag Airfoil written by Robert M. Crane and published by . This book was released on 1944 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was made in the Ames Aeronautical Laboratory 7- by 10-foot wind tunnel of the effects of various modifications to the profile of a 0.20-chord plain sealed aileron on an NACA 66,2-216 (a = 0.6) airfoil.
Book Synopsis WInd-tunnel Tests of Ailerons at Various Speeds by : W. Letko
Download or read book WInd-tunnel Tests of Ailerons at Various Speeds written by W. Letko and published by . This book was released on 1943 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests were made on an NACA 23012 airfoil fitted with a 20-percent-chord, true-contour aileron with 35-percent-chord, extreme blunt-nose balance. The tests were made in the two-dimensional test section of the NACA stability tunnel at a range of airspeeds from 160 to 360 miles per hour, which corresponded to a range of Mach numbers from 0.195 to 0.475. The primary purpose of the investigation was to determine the variation of the aerodynamic characteristics of this type of aileron with airspeed; the effect of variations of gap width and balance-nose radii was also investigated.
Book Synopsis WInd-tunnel Tests of Ailerons at Various Speeds by : H. G. Denaci
Download or read book WInd-tunnel Tests of Ailerons at Various Speeds written by H. G. Denaci and published by . This book was released on 1943 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hinge-moment, lift, and pressure difference across the balance, and pressure-distribution measurements were made in the two-dimensional test section of the stability tunnel on a 0.60 aileron-chord sealed internal,-balance aileron on the NACA 66,2-216, a = 1.0 airfoil.
Book Synopsis Wind Tunnel Investigation of Control Surface Characteristics by : H. Page Hoggard
Download or read book Wind Tunnel Investigation of Control Surface Characteristics written by H. Page Hoggard and published by . This book was released on 1943 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Force-test measurements in two-dimensional flow have been made in the NACA 4- by 6-foot vertical tunnel to determine the aerodynamic effects of changing the alignment of the cover plates on a sealed internally balanced flap. An NACA 0015 airfoil was utilized for the tests. The chord of the straight-contour flap was 30 percent of the airfoil chord and the balance with 50 percent of the flap chord.
Book Synopsis Wind-tunnel Tests of Ailerons at Various Speeds by : W. Letko
Download or read book Wind-tunnel Tests of Ailerons at Various Speeds written by W. Letko and published by . This book was released on 1943 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hinge moment, lift, and pressure-distribution measurements were made on a Frise aileron on an NACA 23012 airfoil in the two-dimensional test section of the LMAL stability tunnel. Speeds up to 360 miles per hour corresponding to a Mach number of about 0.470 were used. The nose radius of the aileron was varied from 0.0012 to 0.0150 of the airfoil chord. Tests also were made with an increased vent gap and with the lower surface of the airfoil at the entrance of the slot rounded to a radius of 0.02 of the airfoil chord. The primary purpose of all tests was to determine the effects of speed on this type of aileron.
Book Synopsis Two-dimensional Wind-tunnel Investigation of Sealed 0.22-airfoil-chord Internally Balanced Ailerons of Different Contour on an NACA 65(112)-213 Airfoil by : Albert L. Braslow
Download or read book Two-dimensional Wind-tunnel Investigation of Sealed 0.22-airfoil-chord Internally Balanced Ailerons of Different Contour on an NACA 65(112)-213 Airfoil written by Albert L. Braslow and published by . This book was released on 1946 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A two-dimensional wind-tunnel investigation was made of two interchangeable sealed 0.22-airfoil-chord internally balanced ailerons on an NACA 65(112)-213 airfoil. One of the ailerons tested was of true contour and the other was modified by partly eliminating the cusp near the trailing edge. Tests were made to determine the effects of the aileron contour modified on the section aerodynamic characteristics of the airfoil and aileron.
Book Synopsis Wind-tunnel Investigation of an NACA 23021 Airfoil with a 0.32-airfoil-chord Double Slotted Flap by : Jack Fischel
Download or read book Wind-tunnel Investigation of an NACA 23021 Airfoil with a 0.32-airfoil-chord Double Slotted Flap written by Jack Fischel and published by . This book was released on 1944 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: An investigation was made in the LMAL 7- by 10-foot wind tunnel of an NACA 23021 airfoil with a double slotted flap having a chord 32 percent of the airfoil chord (0.32c) to determine the aerodynamic section characteristics with the flaps deflected at various positions. The effects of moving the fore flap and rear flap as a unit and of deflecting or removing the lower lip of the slot were also determined.
Book Synopsis Wind Tunnel Tests on Airfoil Boundary Layer Control Using a Backward-opening Slot by : C. H. Dearborn
Download or read book Wind Tunnel Tests on Airfoil Boundary Layer Control Using a Backward-opening Slot written by C. H. Dearborn and published by . This book was released on 1931 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ailerons of 0.20 Airfoil Chord and True Contour with 0.35 Aileron-chord Extreme Blunt-nose Balance on the NACA 23012 Airfoil by : W. Letko
Download or read book Ailerons of 0.20 Airfoil Chord and True Contour with 0.35 Aileron-chord Extreme Blunt-nose Balance on the NACA 23012 Airfoil written by W. Letko and published by . This book was released on 1943 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Investigation of the Boundary Layer and Wake and Their Relation to Airfoil Characteristics - NACA 651-012 Airfoil with a True Contour Flap and a Beveled-trailing-edge Flap by : Robert A. Mendelsohn
Download or read book Wind-tunnel Investigation of the Boundary Layer and Wake and Their Relation to Airfoil Characteristics - NACA 651-012 Airfoil with a True Contour Flap and a Beveled-trailing-edge Flap written by Robert A. Mendelsohn and published by . This book was released on 1947 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-dimensional flow tests were conducted in the 2 1/2-by 6-foot test section of the Langley stability tunnel on a NACA 651-012 airfoil with a true contour flap and a beveled-trailing-edge flap to determine lift, drag, hinge moment data are presented for various angles of attack and flap angles, and a limited amount of drag and pressure-distribution data is given. Measured velocity and static-pressure profiles at varous positions on the airfoil and behind the trailing edge are presented. Theoretical boundary-layer parameters, computed from measured pressure distributions, are compared with the values determined from velocity profiles.
