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This paper deals with and records the results of many years of designing, building, and testing lubricating systems for internal combustion engines. The first consideration, will be the brief presentation of historical facts leading to the final designs, with records of results to date. To illustrate briefly what I have in mind as improvements, I will use a series of slides, some of which, incidentally, served as illustrations in an S.A.E. paper presented by the writer to the Northern California Section on April 13, 1939, entitled, “Oil Filters”. In this previous paper a detailed description of the various filters was given and also engine design and operation problems were related, thus justifying the need of a positive means of preventing grit in the lubricating oil from entering the bearing surfaces during operation of the engine.

In order to utilize exhaust gas energy effectively, various engine systems equipped with turbochargers have been proposed based in matching techniques. The matching between internal combustion engines and turbochargers depends on the previous knowledge of flow maps of turbine and compressor. This work presents a radial turbocharger model based in modified Euler equation. This equation was obtained through mass, energy and moment balances for turbine and compressor, considering an adiabatic ideal gas model with polytropics compression and expansion and using thermodynamics properties of stagnation. The Euler equation allows determination of the operation points of the system engine-turbocharger through the knowledge of the thermodynamics properties of exhaustion gases and geometrical characteristics of turbocharger. It still allows the attainment of flow maps of compressors and turbines.

The paper is an exposition of the theoretical analysis made by the author of the experimental work of Woodbury, Canby and Lewis, on the Nature of Flame Movement in a Closed Cylinder, the results of which were published in THE TRANSACTIONS for the first half of 1921. No experimental evidence is presented by the author that has not been derived previously by other investigators. The relation of pressure to flame travel is derived first, the relation of mass burned is considered and a displacement diagram constructed, described and analyzed. The break of the flame-front curve, called the “point of arrest,” enters prominently into the discussion and computations; the pressure in the flame-front is studied; the reaction-velocities are calculated; and general comments are made.

This paper describes the design of a Media and Observation Module (MOM) for a future space orbital facility. MOM is based upon the idea that media operations can coexist with some of the station’s primary operations through design interventions. MOM would take the place of a space cupola, supporting station-keeping and observational operations while meeting media and commercial goals of the orbital facility. Advanced wearable technologies in display, sensing, and control are being proposed as the means to integrate seemingly opposing operations within MOM. The paper provides a general summary of these technologies. In addition to designing the technological and environmental subsystems of MOM, the author conducts systematic analyses, including an evaluation of all target operations based on their human, operational, and technological requirements.

Economy tests carried out in France indicate that it is possible to obtain a larger number of miles per gallon from cars made there than from cars made in this Country. The author states that it would be well to make a careful study of the factors influencing car economy and to assure that our future car models take full advantage of all possible means of increasing their economy. Figures are presented showing the extent to which economy can be increased by changing such factors as the carbureter adjustment, time of the spark, rear-axle ratio and speed of driving. A car that normally will go 21 miles per gal. under favorable test conditions at 20 m.p.h. was increased to 43 miles per gal. at 20 m.p.h. The study is not complete but has gone far enough to demonstrate its value. This progress report is presented to stimulate thought.