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 Serial/Series Title: NACA Memorandum Report
 Collection: National Advisory Committee for Aeronautics Collection
Tests of air valves for intermittent-jet engines at speeds of 20 and 25 cycles per second

Tests of air valves for intermittent-jet engines at speeds of 20 and 25 cycles per second

Date: May 1, 1954
Creator: Mccready, Robert J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Estimation of F-3 and F-4 knock-limited performance ratings for ternary and quaternary blends containing triptane or other high-antiknock aviation-fuel blending agents

Estimation of F-3 and F-4 knock-limited performance ratings for ternary and quaternary blends containing triptane or other high-antiknock aviation-fuel blending agents

Date: January 1, 1948
Creator: Barnett, Henry C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An Experimental Investigation of Flow Conditions in the Vicinity of an NACA D(Sub S)-Type Cowling

An Experimental Investigation of Flow Conditions in the Vicinity of an NACA D(Sub S)-Type Cowling

Date: August 1, 1946
Creator: Bryant, Rosemary P. & Boswinkle, Robert W.
Description: Data are presented of the flow conditions in the vicinity of an NACA D sub S -type cowling. Tests were made of a 1/2 scale-nacelle model at inlet-velocity ratios ranging from 0.23 to 1.02 and angles of attack from 6 deg to 10 deg. The velocity and direction of flow in the vertical plane of symmetry of the cowling were determined from orifices and tufts installed on a board aligned with the flow. Diagrams showing velocity ratio contours and lines of constant flow angles are given.
Contributing Partner: UNT Libraries Government Documents Department
The effect of increase in combustion-air inlet temperature from 80 to 130 F on the sea-level performance of a 22-inch-diameter pulse-jet engine

The effect of increase in combustion-air inlet temperature from 80 to 130 F on the sea-level performance of a 22-inch-diameter pulse-jet engine

Date: July 1, 1946
Creator: Hughes, Richard F
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Efficiency of a radial-flow exhaust-gas turbosupercharger turbine with a 12.75-inch tip diameter

Efficiency of a radial-flow exhaust-gas turbosupercharger turbine with a 12.75-inch tip diameter

Date: July 1, 1946
Creator: Gabriel, David S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation of factors affecting the carburetor ram and nacelle drag of an A-26B airplane

Flight investigation of factors affecting the carburetor ram and nacelle drag of an A-26B airplane

Date: July 1, 1946
Creator: Danforth, Edward C B , III
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight Investigation to Improve the Dynamic Longitudinal Stability and Control-Feel Characteristics of the P-63A-1 Airplane (AAF No. 42-68889) with Closely Balanced Experimental Elevators

Flight Investigation to Improve the Dynamic Longitudinal Stability and Control-Feel Characteristics of the P-63A-1 Airplane (AAF No. 42-68889) with Closely Balanced Experimental Elevators

Date: July 1, 1946
Creator: Johnson, Harold I.
Description: Results of flight tests of a control-feel aid presented. This device consisted of a spring and dashpot connected in series between the control stick and airplane structure. The device was tested in combination with an experimental elevator and bobweight which had given unsatisfactory dynamic stability and control-feel characteristics in previous tests. The control-feel aid effected marked improvement in both the control-feel characteristics and the control-feel dynamic longitudinal stability of the airplane.
Contributing Partner: UNT Libraries Government Documents Department
A preliminary investigation of the icing characteristics of a large rectangular-throat pressure-type carburetor

A preliminary investigation of the icing characteristics of a large rectangular-throat pressure-type carburetor

Date: July 1, 1946
Creator: Chapman, Gilbert E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A preliminary theoretical study of helicopter-blade flutter involving dependence upon coning angle and pitch setting

A preliminary theoretical study of helicopter-blade flutter involving dependence upon coning angle and pitch setting

Date: July 1, 1946
Creator: Coleman, Robert P
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The effect of liquid and ice particles on the erosion of a supercharger-inlet cover and diffuser vanes

The effect of liquid and ice particles on the erosion of a supercharger-inlet cover and diffuser vanes

Date: June 1, 1946
Creator: Rollin, Vern G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight measurements by various methods of the drag characteristics of the XP-51 airplane

Flight measurements by various methods of the drag characteristics of the XP-51 airplane

Date: June 1, 1946
Creator: Beadle, Dorothy E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Investigation of ice formation in the induction system of an aircraft engine II : flight tests

Investigation of ice formation in the induction system of an aircraft engine II : flight tests

Date: June 1, 1946
Creator: Zlotowski, Edward D
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Tests of the jet-motor air-intake duct system on a 1/4-scale stub-wing model of a pursuit-type airplane

Tests of the jet-motor air-intake duct system on a 1/4-scale stub-wing model of a pursuit-type airplane

Date: May 13, 1946
Creator: Hanson, Frederick H , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Hydraulic characteristics of the NACA injection impeller

Hydraulic characteristics of the NACA injection impeller

Date: May 1, 1946
Creator: Lieblein, Seymour
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some notes on the effects of jet-exit design on static longitudinal stability

Some notes on the effects of jet-exit design on static longitudinal stability

Date: May 1, 1946
Creator: Weil, Joseph
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Static-Thrust Investigation of Full-Scale PV-2 Helicopter Rotors Having NACA 0012.6 and 23012.6 Airfoil Sections

Static-Thrust Investigation of Full-Scale PV-2 Helicopter Rotors Having NACA 0012.6 and 23012.6 Airfoil Sections

Date: May 1, 1946
Creator: Lipson, Stanley
Description: An investigation was conducted to compare the performance of two 25-ft-diam rotors which had identical dimensions and were similar in construction but different in blade airfoil-sections. Tests were conducted at indicated blade pitch angles from 3 degrees to 11.5 degrees and rotor speeds of 200, 290, and 371 rpm. The 23012.6 rotor required 2 percent less power to hover than the 0012.6. At thrust coefficients above design, the performance of the 23012.6 became better than the 0012.6 rotor.
Contributing Partner: UNT Libraries Government Documents Department
High-speed wind-tunnel tests of a twin-fuselage pursuit airplane

High-speed wind-tunnel tests of a twin-fuselage pursuit airplane

Date: April 24, 1946
Creator: Tkac, Victor B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Tests of cast aluminum-alloy mixed-flow impellers

Tests of cast aluminum-alloy mixed-flow impellers

Date: April 1, 1946
Creator: Schwartz, Irving R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An evaluation of the knock-limited performance of triptane

An evaluation of the knock-limited performance of triptane

Date: March 1, 1946
Creator: Barnett, Henry C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Investigation of ice formation in the induction system of an aircraft engine I : ground tests

Investigation of ice formation in the induction system of an aircraft engine I : ground tests

Date: March 1, 1946
Creator: Ellisman, Carl
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Test-stand investigation of cooling characteristics and factors affecting temperature distribution of a double-row aircraft engine

Test-stand investigation of cooling characteristics and factors affecting temperature distribution of a double-row aircraft engine

Date: March 1, 1946
Creator: Jones, Robert J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Tests of a 1/7-scale powered model of the Kaiser tailless airplane in the Langley full-scale tunnel

Tests of a 1/7-scale powered model of the Kaiser tailless airplane in the Langley full-scale tunnel

Date: March 1, 1946
Creator: Rickey, E A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The effect of ethylene dibromide on the knock-limited performance of leaded and nonleaded S reference fuel

The effect of ethylene dibromide on the knock-limited performance of leaded and nonleaded S reference fuel

Date: February 1, 1946
Creator: Niemi, Richard O
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The high-speed characteristics of several flaps and spoilers on the upper surface of the horizontal stabilizer of a model of a radial-engine pursuit airplane

The high-speed characteristics of several flaps and spoilers on the upper surface of the horizontal stabilizer of a model of a radial-engine pursuit airplane

Date: January 21, 1946
Creator: Boddy, Lee E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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