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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: NACA Restricted Bulletin
 Collection: Technical Report Archive and Image Library
Preliminary tank experiments with a hydrofoil on a planing-tail seaplane hull

Preliminary tank experiments with a hydrofoil on a planing-tail seaplane hull

Date: March 1, 1944
Creator: Wadlin, Kenneth L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Preliminary tests to determine the dynamic stability characteristics of various hydrofoil systems for seaplanes and surface boats

Preliminary tests to determine the dynamic stability characteristics of various hydrofoil systems for seaplanes and surface boats

Date: November 1, 1943
Creator: King, Douglas A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Pressure lag in tubing used in flight research

Pressure lag in tubing used in flight research

Date: January 1, 1945
Creator: Turner, Howard L
Description: Tests described in this report were undertaken to obtain a quantitative measure of the pressure lag in typical pressure-tubing systems used by the Ames Aeronautical Laboratory in flight research investigations. Lag measurements were made with both single-direction and oscillating pressure changes. Single-direction pressure changes were investigated to determine if the lag in orifice-pressure lines and in the research airspeed and altitude measuring systems of pursuit-type airplane undergoing flight tests was sufficient to cause an appreciable error in the record of a sudden pressure change. Oscillating pressure changes were investigated with particular reference to the accuracy of pressure peaks in pressure-distribution measurements during the time of buffeting conditions as found in stalls. (author).
Contributing Partner: UNT Libraries Government Documents Department
Proposal for a propeller side-force factor

Proposal for a propeller side-force factor

Date: December 1, 1943
Creator: Ribner, Herbert S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Relative effects of cylinder-head and inlet-mixture temperatures upon knock limits of fuels

Relative effects of cylinder-head and inlet-mixture temperatures upon knock limits of fuels

Date: October 1, 1944
Creator: Hensley, Reece V
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Resume of hinge-moment data for unshielded horn- balanced control surfaces

Resume of hinge-moment data for unshielded horn- balanced control surfaces

Date: June 1, 1943
Creator: Lowry, John G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Shear tests on DuPont explosive rivets with the countersunk head milled flush after expansion

Shear tests on DuPont explosive rivets with the countersunk head milled flush after expansion

Date: May 1, 1943
Creator: Bartone, Leonard M
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of propeller operation on the distribution of the load on the vertical tail surface of a typical pursuit airplane

Some effects of propeller operation on the distribution of the load on the vertical tail surface of a typical pursuit airplane

Date: March 1, 1944
Creator: Dingeldein, Richard C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some notes on the determination of the stick-fixed neutral point from wind-tunnel data

Some notes on the determination of the stick-fixed neutral point from wind-tunnel data

Date: September 1, 1943
Creator: Schuldenfrei, Marvin
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some Notes on the Determination of the Stick-Free Neutral Point from Wind-Tunnel Data

Some Notes on the Determination of the Stick-Free Neutral Point from Wind-Tunnel Data

Date: February 1, 1944
Creator: Schuldenfrei, Marvin
Description: Two graphical methods are presented for determining the stick-free neutral point, and they are extensions of the methods commonly used to determine the stick-free neutral point. A mathematical formula for computing the stick-free neutral point is also given. These methods may be applied to determine approximately the increase in tail size necessary to shift the neutral point (stick fixed or free) to any desired location on an airplane having inadequate longitudinal stability.
Contributing Partner: UNT Libraries Government Documents Department