Aircraft Engineering and Aerospace Technology: Volume 4 Issue 5

A Process of Manufacture: The Advantages of Technical Articles Dealing with Details

IN these days of competition the “universal” type of mind no longer exists, and if it did the possessor of it would no doubt soon find himself left behind by those who had taken…

An Unconventional Monoplane: A Low‐Wing Four‐Seater with Mono‐Spar Wings and Fuselage and Two Pobjoy Engines

IN the August, 1929, issue of Aircraft ENGINEERING appeared the first technical description of his single‐spar wing, contributed by Mr. H. J. Stieger himself. The Mono‐Spar wing…

Aeroplane Performance Testing: Theoretical and Practical Aspects of Methods Employed at Martlesham with Civil Aircraft

S. Scott‐Hall

MANY papers have been written from time to time on the subject of performance testing, dealing with both the purely theoretical and the practical aspects, and it may be questioned…

A French All‐metal Fighter: The Twin‐Engined Multi‐Seater Bréguet 410 of Mixed Steel and Duralumin Construction

THE Bréguet 410 multiplace de combat is a twin‐engine sesquiplane recently completed by this firm. It is the latest of a series of all‐metal military types of which the Bréguet…

Strip‐Steel Wing Construction: The Gloster Aircraft Company's Works at Brockworth Visited and Described

G.H. Handasyde

THE Gloster Aircraft Company was established in 1915 as a branch of the well‐known firm of II. H. Martyn & Co., Ltd., architectural decorators. At first the aircraft business was…

Drop Forgings and Stampings: The Technique of the Process Explained with a Description of the Plant Used

W.A. Thain

AMONG the aeroengine and aircraft parts manufactured by the drop‐forging and drop‐stamping processes are airscrew hubs and shafts, crankshafts, connecting rods, valves…

The Cowling of Air‐Cooled Engines: A Summary of Wind Tunnel Tests of the Effect on Performance of Various Types

W.G.A. Perring

IT is well known that the drag of an air‐cooled engine can be much reduced by the addition of a suitable form of cowling. The present tests were undertaken to investigate the…

The Study of Flow Phenomena: A Special Small Wind Tunnel of High Accuracy Built in France Described

THE small wind tunnel of the Service des Recherches de l'Aéronautiquc was begun in 1926 and completed early in 1928. Its equipment has been designed with a view to providing a…

The S.A.E. Meeting at Detroit: Abstracts of Papers Read on Load Factors, Navigation, Engines, and Cognate Subjects

EDWARD P. WARNER, HAROLD GATTY, RALPH H. UPSON, D.L. PELLETT, JOHN G. LEE, E.S. TAYLOR, OSCAR W. SCHEY, RONALD M. HAZEN

AEROPLANE designing is the only branch of structural engineering making any pretence of strength calculation in which such calculations are based upon a direct empirical…

Air Ministry Official Notices: Instructions to Aircraft Owners and Ground Engineers Regarding Essential Modifications

Instances have occurred of transverse fatigue failure of the blade sheet of Fairey‐Reed airscrews fitted with metal hub blocks, the fractures commencing at the holes for the hub…

Some Important Books Received: Books on Steel, An American Handbook, A Dictionary and A Book on Gliding Reviewed

It was stated in the daily Press recently that an all‐metal aeroplane was being constructed entirely of stainless steel and that such a construction had become possible owing to…

Research Reports and Memoranda

Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Committee, Reports and Technical Notes of the U.S. National Advisory…

Month in the Patent Office: A Selection of the More Important Aircraft and Engine Specifications Published Recently

A truss particularly for use as an aeroplane spar comprises built‐up booms with continuous Warren girder trussing between them, each boom comprising an inner substantially flat…