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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: NACA Wartime Reports
 Collection: National Advisory Committee for Aeronautics Collection
Wind-tunnel investigation of control-surface characteristics VIII : a large aerodynamic balance of two nose shapes used with a 30-percent-chord flap on an NACA 0015 airfoil

Wind-tunnel investigation of control-surface characteristics VIII : a large aerodynamic balance of two nose shapes used with a 30-percent-chord flap on an NACA 0015 airfoil

Date: July 1, 1942
Creator: Gillis, Clarence L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind tunnel investigation of control-surface characteristics X : a 30-percent-chord plain flap with straight contour on the NACA 0015 airfoil

Wind tunnel investigation of control-surface characteristics X : a 30-percent-chord plain flap with straight contour on the NACA 0015 airfoil

Date: September 1, 1942
Creator: Hoggard, H Page, Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind tunnel investigation of control-surface characteristics XI : various large overhang and internal-type aerodynamic balances for a straight- contour flap on the NACA 0015 airfoil

Wind tunnel investigation of control-surface characteristics XI : various large overhang and internal-type aerodynamic balances for a straight- contour flap on the NACA 0015 airfoil

Date: January 1, 1943
Creator: Hoggard, H Page
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind tunnel investigation of control surface characteristics XII : various cover-plate alinements on the NACA 0015 airfoil with a 30 percent chord flap and large sealed internal balance

Wind tunnel investigation of control surface characteristics XII : various cover-plate alinements on the NACA 0015 airfoil with a 30 percent chord flap and large sealed internal balance

Date: January 1, 1943
Creator: Hoggard, H Page, Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XIII : various flap overhangs used with a 30-percent-chord flap in an NACA 66-009 airfoil

Wind-tunnel investigation of control-surface characteristics XIII : various flap overhangs used with a 30-percent-chord flap in an NACA 66-009 airfoil

Date: July 1, 1943
Creator: Lockwood, Vernard E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XIV : NACA 0009 airfoil with a 20-percent-chord double plain flap

Wind-tunnel investigation of control-surface characteristics XIV : NACA 0009 airfoil with a 20-percent-chord double plain flap

Date: June 1, 1943
Creator: Purser, Paul E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XIX : a double flap with an overhang and an internal aerodynamic balance

Wind-tunnel investigation of control-surface characteristics XIX : a double flap with an overhang and an internal aerodynamic balance

Date: June 1, 1944
Creator: Liddell, Robert B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XV : various contour modifications of a 0.30-airfoil-chord plain flap on an NACA 66(215)-014 airfoil

Wind-tunnel investigation of control-surface characteristics XV : various contour modifications of a 0.30-airfoil-chord plain flap on an NACA 66(215)-014 airfoil

Date: December 1, 1943
Creator: Riebe, John M
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XVI : pressure distribution over an NACA 0009 airfoil with 0.30-airfoil-chord beveled-trailing-edge flaps

Wind-tunnel investigation of control-surface characteristics XVI : pressure distribution over an NACA 0009 airfoil with 0.30-airfoil-chord beveled-trailing-edge flaps

Date: April 1, 1944
Creator: Bulloch, Marjorie E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XVII : beveled-trailing-edge flaps of 0.20, 0.30, and 0.40 airfoil chord on an NACA 0009 airfoil

Wind-tunnel investigation of control-surface characteristics XVII : beveled-trailing-edge flaps of 0.20, 0.30, and 0.40 airfoil chord on an NACA 0009 airfoil

Date: April 1, 1944
Creator: Lockwood, Vernard E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XVIII : a linked overhang aerodynamic balance

Wind-tunnel investigation of control-surface characteristics XVIII : a linked overhang aerodynamic balance

Date: February 1, 1944
Creator: Liddell, Robert B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-Tunnel Investigation of Control-Surface Characteristics XX : Plain and Balanced Flaps on an NACA 0009 Rectangular Semispan Tail Surface

Wind-Tunnel Investigation of Control-Surface Characteristics XX : Plain and Balanced Flaps on an NACA 0009 Rectangular Semispan Tail Surface

Date: October 1, 1944
Creator: Garner, Elizabeth I.
Description: Correlation is established between aerodynamic characteristics of control surfaces in two-dimensional and three-dimensional flow. Slope of lift curve was affected little by overhang and balance-nose shape, but increased by sealing flap-nose gap. Effectiveness of balancing tab was same for sealed plain flap and unsealed overhang flap. Changes in hinge-moment coefficient were diminished by sealing gap. Values measured by three-dimensional flow disagreed with two-dimensional flow values until aspect ratio corrections were made.
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XXI : medium and large aerodynamic balances of two nose shapes and a plain overhang used with a 0.40-airfoil-chord flap on an NACA 0009 airfoil

Wind-tunnel investigation of control-surface characteristics XXI : medium and large aerodynamic balances of two nose shapes and a plain overhang used with a 0.40-airfoil-chord flap on an NACA 0009 airfoil

Date: March 1, 1945
Creator: Church, Oleta
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of control-surface characteristics XXII : medium and large aerodynamic balances of two nose shapes and a plain overhang used with a 0.20-airfoil-chord flap on an NACA 0009 airfoil

Wind-tunnel investigation of control-surface characteristics XXII : medium and large aerodynamic balances of two nose shapes and a plain overhang used with a 0.20-airfoil-chord flap on an NACA 0009 airfoil

Date: June 1, 1945
Creator: Mckinney, Elizabeth G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind tunnel investigation of control-surface characteristics XXIII : a 0.25-airfoil-chord flap with tab having a chord twice the flap chord on an NACA 0009 airfoil

Wind tunnel investigation of control-surface characteristics XXIII : a 0.25-airfoil-chord flap with tab having a chord twice the flap chord on an NACA 0009 airfoil

Date: September 1, 1945
Creator: Spearman, M Leroy
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-Tunnel Investigation of Devices for Improving the Diving Characteristics of Airplanes

Wind-Tunnel Investigation of Devices for Improving the Diving Characteristics of Airplanes

Date: April 23, 1943
Creator: Erickson, Albert L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind tunnel investigation of effect of yaw on lateral-stability characteristics IV : symmetrically tapered wing with a circular fuselage having a wedge-shaped rear and a vertical tail

Wind tunnel investigation of effect of yaw on lateral-stability characteristics IV : symmetrically tapered wing with a circular fuselage having a wedge-shaped rear and a vertical tail

Date: March 1, 1942
Creator: Wallace, Arthur R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of effect of yaw on lateral-stability characteristics V : symmetrically tapered wing with a circular fuselage having a horizontal and a vertical tail

Wind-tunnel investigation of effect of yaw on lateral-stability characteristics V : symmetrically tapered wing with a circular fuselage having a horizontal and a vertical tail

Date: June 1, 1943
Creator: Turner, Thomas R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of effects of a pusher propeller on lift, profile drag, pressure distribution, and boundary-layer transition of a flapped wing

Wind-tunnel investigation of effects of a pusher propeller on lift, profile drag, pressure distribution, and boundary-layer transition of a flapped wing

Date: April 1, 1945
Creator: Sandahl, Carl A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind tunnel investigation of NACA 66(215)-216, 66,1-212, and 65(sub 1)-212 airfoils with 0.20-airfoil-chord split flaps

Wind tunnel investigation of NACA 66(215)-216, 66,1-212, and 65(sub 1)-212 airfoils with 0.20-airfoil-chord split flaps

Date: July 1, 1944
Creator: Fullmer, Felicien F , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of perforated split flaps for use as dive brakes on a rectangular NACA 23012 airfoil

Wind-tunnel investigation of perforated split flaps for use as dive brakes on a rectangular NACA 23012 airfoil

Date: July 1, 1941
Creator: Turner, Thomas R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-Tunnel Investigation of Perforated Split Flaps for Use as Dive Brakes on a Tapered NACA 23012 Airfoil

Wind-Tunnel Investigation of Perforated Split Flaps for Use as Dive Brakes on a Tapered NACA 23012 Airfoil

Date: November 1, 1941
Creator: Purser, Paul E. & Turner, Thomas R.
Description: Aerodynamic characteristics of a tapered NACA 23012 airfoil with single and double perforated split flaps have been determined in the NACA 7- by 10-foot wind tunnel. Dynamic pressure surveys were made behind the airfoil at the approximate location of the tail in order to determine the extent and location of the wake for several of the flap arrangements. In addition, computations have been made of an application of perforated double split flaps for use as fighter brakes. The results indicated that single or double perforated split flaps may be used to obtain satisfactory dive control without undue buffeting effects and that single or double perforated split flaps may also be used as fighter brakes. The perforated split flaps had approximately the same effects on the aerodynamic and wake characteristics of the tapered airfoil as on a comparable rectangular airfoil.
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of plain ailerons for a wing with a full-span flap consisting of an inboard Fowler and an outboard retractable split flap

Wind-tunnel investigation of plain ailerons for a wing with a full-span flap consisting of an inboard Fowler and an outboard retractable split flap

Date: March 1, 1941
Creator: Purser, Paul E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Wind-tunnel investigation of profile drag and lift of an intermediate wing section of the XP-51 airplane with beveled trailing-edge and contour ailerons

Wind-tunnel investigation of profile drag and lift of an intermediate wing section of the XP-51 airplane with beveled trailing-edge and contour ailerons

Date: January 1, 1943
Creator: Underwood, William J
Description: None
Contributing Partner: UNT Libraries Government Documents Department