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Derivation of charts for determining the horizontal tail load variation with any elevator motion

Description: Report presenting equations relating the wing and tail loads are derived for a unit elevator displacement. The equations are converted into a nondimensoinal form and charts are given that can be used to predict wing- and tail-load-increment variation for any type of elevator motion and for degrees of airplane stability.
Date: January 1943
Creator: Pearson, Henry A.
Partner: UNT Libraries Government Documents Department
open access

Methods of Analyzing Wind-Tunnel Data for Dynamic Flight Conditions

Description: "The effects of power on the stability and the control characteristics of an airplane are discussed and methods of analysis are given for evaluating certain dynamic characteristics of the airplane that are not directly discernible from wind-tunnel tests alone. Data are presented to show how the characteristics of a model tested in a wind tunnel are affected by power. The response of an airplane to a rolling and a yawing disturbance is discussed, particularly in regard to changes in wing dihedraā€¦ more
Date: October 1941
Creator: Donlan, C. J. & Recant, I. G.
Partner: UNT Libraries Government Documents Department
open access

Icing Tests of Aircraft-Engine Induction Systems

Description: Report presenting a program of icing tests conducted on an aircraft-engine induction system consisting of a Wright R-1820, G-200 blower section, Holley 1375-F carburetor and adapter, and specially built air scoop. The primary purpose of the investigation was to determine the effect of a number of possible factors on icing of engine-induction systems, including carburetor-air temperature, air-moisture content, water-droplet size, throttle opening, mixture ratio, rate of air flow, altitude, and oā€¦ more
Date: January 1943
Creator: Kimball, Leo B.
Partner: UNT Libraries Government Documents Department

[Ray Leonard]

Description: Photograph of Ray Leonard standing in front of a blackboard with writing in English and Greek. She holds a book in her hands, and appears to be addressing a class. In 1943, she was voted Who's Who of foreign languages.
Date: 1943
Partner: UNT Libraries Special Collections

China fights on.

Description: A Chinese man in military uniform and cap looks toward the sky. Several tiny planes circle him. The planes and his cap bear the 12-pointed sun symbol of the Chinese forces. Near the right edge of the poster are four Chinese characters in red. The characters roughly translate as "Unite Against the Enemy and Rebuild Our Nation."
Date: [1941..1946]
Creator: Gaydos.
Partner: UNT Libraries Government Documents Department

This is the enemy.

Description: An arm with a swastika on its sleeve stabs a sword through a book labeled "Holy Bible".
Date: 1943
Creator: United States. Office of War Information.
Partner: UNT Libraries Government Documents Department

Your metal saves our convoys : keep it coming!

Description: In the foreground, a man stands on a platform on a ship, shouting through a megaphone at several other men on deck who are loading and firing a large cannon-like weapon toward the sea. Other ships can be seen in the background.
Date: 1943
Creator: Helck, Peter, 1893-1988.
Partner: UNT Libraries Government Documents Department

Use it up--wear it out--make it do! : our labor and our goods are fighting.

Description: A man and a woman are outside on the lawn. The man bends over to oil a lawnmower while the woman, kneeling, hand-sews a patch on the back of the pants he wears. A basket full of sewing supplies is on the grass next to the woman. The man wears a red shirt, blue pants, and saddle shoes. The woman wears a bright yellow dress and brown high-heeled shoes.
Date: 1943
Creator: United States. Office of War Information.
Partner: UNT Libraries Government Documents Department

United we stand.

Description: Banner with U.S. Seal at each end, within red squares. The central portion of the banner is white with the text "United We Stand" in red.
Date: 1941
Creator: United States. Office for Emergency Management. Division of Information.
Partner: UNT Libraries Government Documents Department

Bonds or bondage : everybody--every pay day 10%.

Description: Image of a man in cap and overalls, with outstretched arms and legs. In one hand he holds a U.S. flag; his other hand and leg are chained to a swastika-inscribed ball. One side of his face smiles; the other side is weary. The poster background is also split in two halves: On the left is a landscape of farm lands, industrial smoke stacks, and skyscrapers; on the right is a dark barren landscape.
Date: 1941/1942?
Partner: UNT Libraries Government Documents Department
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