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  Partner: UNT Libraries Government Documents Department
 Decade: 1920-1929
 Year: 1929
 Collection: National Advisory Committee for Aeronautics Collection
Morane-Saulnier 180 light airplane (French) : a single-seat training monoplane

Morane-Saulnier 180 light airplane (French) : a single-seat training monoplane

Date: March 1, 1929
Creator: unknown
Description: Equipped with a 40 HP Salmson engine, it is a single seat parasol type construction.
Contributing Partner: UNT Libraries Government Documents Department
Nieuport-Delage 640 (French) : commercial high-wing monoplane

Nieuport-Delage 640 (French) : commercial high-wing monoplane

Date: March 1, 1929
Creator: unknown
Description: The Nieuport Delage 640 is a single engine commercial high-wing monoplane of all wood construction, including the fuselage and tail. It's landing gear is hinged in two parts.
Contributing Partner: UNT Libraries Government Documents Department
The Westland IV commercial monoplane (British)three "Cirrus III" engine

The Westland IV commercial monoplane (British)three "Cirrus III" engine

Date: April 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Calculation of the pressures on aircraft engine bearings

Calculation of the pressures on aircraft engine bearings

Date: December 1, 1929
Creator: Steigenberger, O
Description: For aircraft engines the three principal operating conditions are idling speed, cruising speed, and diving with the engine stopped. In what follows, we will discuss a method which affords a good idea of the course of pressure for the above mentioned operating conditions. The pressures produced in the driving gear are of three kinds; namely, the pressure due to gases, the pressure due to the inertia of the rotating masses, and the pressure due to the inertia of the reciprocating masses.
Contributing Partner: UNT Libraries Government Documents Department
Unsymmetrical forces in an airplane cell

Unsymmetrical forces in an airplane cell

Date: November 1, 1929
Creator: Vogt, R
Description: This paper calls attention to the desirability of expanding airplane building regulations to include proof of safety for cases of unsymmetrical loading, at least in the structural members which are thereby specially stressed.
Contributing Partner: UNT Libraries Government Documents Department
The Saunders "Cutty Sark" commercial seaplane (British) : a high-wing monoplane flying boat

The Saunders "Cutty Sark" commercial seaplane (British) : a high-wing monoplane flying boat

Date: November 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Force measurements on airplanes

Force measurements on airplanes

Date: June 1, 1929
Creator: Seewald, F
Description: The most essential phenomena of aircraft should be classified according to their origin and then measured. Information can thus be obtained in a quicker, cheaper, and more reliable way than otherwise would be possible.
Contributing Partner: UNT Libraries Government Documents Department
Aeromechanical experimentation (wind tunnel tests)

Aeromechanical experimentation (wind tunnel tests)

Date: April 1, 1929
Creator: Katzmayr, R
Description: The following report endeavors to show that aeromechanical experimentation has become an important aid to theory.
Contributing Partner: UNT Libraries Government Documents Department
Lautal as a material for airplane construction

Lautal as a material for airplane construction

Date: August 1, 1929
Creator: Brenner, Paul
Description: Lautal is a refinable aluminum alloy which, unlike duralumin, contains no magnesium. According to the statements of the Lauta Works, lautal contains: aluminum, 94%; copper, 4%; silicon, 2%. The use of lautal as a construction material is discussed in relation to specific weight, production methods, and riveting tests.
Contributing Partner: UNT Libraries Government Documents Department
Mechanical control of airplanes

Mechanical control of airplanes

Date: March 1, 1929
Creator: Boykow, H
Description: Before undertaking a detailed description of an automatic-control mechanism, I will state briefly the fundamental conditions for such devices. These are: 1) it must be sensitive at one or more reference values; 2) it must stop the angular motions of the airplane not produced by the pilot; and 3) it must be possible to switch it off and on by a simple hand lever.
Contributing Partner: UNT Libraries Government Documents Department
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