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  Partner: UNT Libraries Government Documents Department
 Year: 1944
 Serial/Series Title: NACA Restricted Bulletin
 Collection: Technical Report Archive and Image Library
Effect of inlet-air temperature and cylinder displacement on charge temperature of internal combustion engines

Effect of inlet-air temperature and cylinder displacement on charge temperature of internal combustion engines

Date: January 1, 1944
Creator: Bolz, Ray E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Use of Internal Coolant as a Means of Permitting Increase in Engine Take-Off Power

Use of Internal Coolant as a Means of Permitting Increase in Engine Take-Off Power

Date: January 1, 1944
Creator: Rothrock, Addison M
Description: Engine tests, together with estimates made at Langley Memorial Aeronautical Laboratory, indicate that a 25-percent increase in take-off power can be obtained with present-day aircraft engines without increasing either the knock limit of the fuel or the external cooling requirements of the engine. This increase in power with present fuels and present external cooling is made possible through the use of an internal coolant inducted through the inlet manifold. Estimates on aircraft indicate that this 25-percent increase in power will permit an approximate usable increase of 8.5 percent in the take-off load of existing military airplanes. This increase in load is equivalent to an increase in the weight of gasoline normally carried of between 30 and 65 percent.
Contributing Partner: UNT Libraries Government Documents Department
Comparative tests of the strength and tightness of commercial flush rivets of one type and NACA flush rivets in machine-countersunk and counterpunched joints

Comparative tests of the strength and tightness of commercial flush rivets of one type and NACA flush rivets in machine-countersunk and counterpunched joints

Date: February 1, 1944
Creator: Mandel, Merven W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Landing characteristics of a model of a flying boat with the depth of step reduced to zero by means of a retractable planing flap

Landing characteristics of a model of a flying boat with the depth of step reduced to zero by means of a retractable planing flap

Date: February 1, 1944
Creator: Freihofner, Anton
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The landing stability of a powered dynamic model of a flying boat with a 30 degree v-step and with two depths of transverse step

The landing stability of a powered dynamic model of a flying boat with a 30 degree v-step and with two depths of transverse step

Date: February 1, 1944
Creator: Land, Norman S
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
Tests of beams having webs with large circular lightening holes

Tests of beams having webs with large circular lightening holes

Date: February 1, 1944
Creator: Levin, L Ross
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Determination of iron contamination of used lubricating oil for use in measuring rates of wear in aircraft engines

Determination of iron contamination of used lubricating oil for use in measuring rates of wear in aircraft engines

Date: March 1, 1944
Creator: Tischler, Adelbert O
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Maximum lift coefficients of airplanes based on sum of wing and tail areas

Maximum lift coefficients of airplanes based on sum of wing and tail areas

Date: March 1, 1944
Creator: Ankenbruck, Herman O
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The NACA balanced-diaphragm dynamometer-torque indicator

The NACA balanced-diaphragm dynamometer-torque indicator

Date: March 1, 1944
Creator: Voss, Fred
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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