April 1, 1944

April 1, 1944

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Maintenance

The A to Z of Servicing Cuno Filters

Aviation Manufacturing

Key Considerations in Pressurized-Cabin Design

By DAVID B. THURSTON18 min

Aviation Manufacturing

Experimental Determination of Hull Displacement

By ERNEST G. STOUT18 min

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156157
Maintenance

The A to Z of Servicing Cuno Filters

This pertinent article, graphically illustrated with nearly a score of photos and breakdown sketches, carefully details the approved methods used in keeping these important accessories in first-class working condition.
126127
Aviation Manufacturing

Key Considerations in Pressurized-Cabin Design

Initially comparing the spherical vs. the cylindrical and the integral vs. the separate unit, this leading engineer proceeds to range the factors of double windows, frost preventives, insulation, pressurizing equipment, relief valves, compressors, and the various methods of design calculation.

By DAVID B. THURSTON18 min

120121
Aviation Manufacturing

Experimental Determination of Hull Displacement

Results of this simple and direct experimental procedure are tremendous savings in time and marked improvement in accuracy over the classical method for determining displacement and trim of marine hulls.

By ERNEST G. STOUT18 min

116117

A Three-Way "Fix" on Aircraft Markets

Out of the confusion of widely divergent forecasts comes a new method for piercing the fog of the future by which minimum, middle, and maximum estimates can be established and conditions governing them identified in advance.

By E. H. CARGEN,L. J. STOSIK15 min

112113

Global Air Transport and the Flying Boat's Role

Flying boats are destined to play a major role in global air transportation, and the routes they will fly will be determined by established traffic economics rather than shortest distance.

By CAPT. C. H. SCHILDHAUER15 min

238239
Aviation Manufacturing

Shop Equipment & Accessories

Tube Cutter............ 45 For making right-angle cuts necessary in AN tube flares, Imperial Brass Mfg. Co., Chicago, is manufacturing cutter for aluminum, copper, brass, or steel tubing from ⅛ to 1⅛ in. o.d. Among features reported: Tube rests against two rollers, preventing galling or rubbing;
148149
Aviation Manufacturing

Production-Line Remedies for Hydraulic Headaches

To nip various hydraulic viruses before they can start, a special committee visited seven subcontractor plants and quickly "put the finger" on right and wrong methods of turning out hydraulic units. Here you accompany the committeemen on the revealing survey.

By COMDR. HARRY J. MARX14 min

142143
Aviation Manufacturing

Approach to the Problem of Radio Precipitation Static

First of an important two-part series advancing a new theory on precipitation static and (Part II) discussing existing methods of noise reduction and indicating the nature of the final solution to this perplexing problem.

By C. J. Breitwieser13 min

144145
Aviation Manufacturing

Analytic Geometry for Speedier Wing Lofting

Application of a simple mathematical method to lofting of unparallel lines, such as for control cables, hydraulic lines, stringers, spar mold lines, etc.

By R. W. FEENY12 min

150151
Aviation Manufacturing

Methods for Forming Sheet Aluminum

Proven manufacturing processes and formulas used by one of America’s leading industrialists.
March 271944 April 31944