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THERE is a widespread movement towards a renewal of interest in gliding, a sport which has for some years been a prominent part of aeronautical activity in Germany. In spite of the holding of several meetings, it does not seem to have caught on very greatly in France while, so far as our...
IN order to study the relationship of load factors to the stresses which arise in the normal manoeuvring of aircraft, it is customary to employ recording accelerometers. These instruments have been found quite satisfactory for this purpose, and almost as many models have been devised as the...
COUNTLESS practical and theoretical proposals have been made for the prevention of autorotation. Exact science has long been well acquainted with the actual aerodynamical process. In Germany, Prof. Fuchs of Berlin and Prof. Hopf of AixlaChapelle may be named as leading experts engaged in the...
IN research or development work on aero engines there are many occasions when it is desirable, or sometimes essential, to obtain temperature readings under somewhat difficult conditions. In many cases it is possible for serious errors to arise, under conditions which make their detection...
Dobbie McInnes & Clyde, Ltd., of Glasgow, send a booklet describing the Farnboro' electric indicator which they are marketing. The booklet gives a very complete description of this recording instrument with specimens of the type of diagram obtained.
THE development of the Diesel engine for aeroplanes in Germany was first taken up by the Junker works, in Dessau. Junkers began building oil engines more than twenty years ago with the construction of large Diesel engines. Later on they produced the wellknown stationary HK engines, and recently...
IT is sometimes suggested with regard to aerial light beacons that when the weather is clear they are unnecessary in populous country, and when the weather is foggy the lights cannot be seen, and therefore are of little use under any conditions. This statement does not, of course, represent the...
The following is a complete list of World's Records as officially homologated by the Fdration Aronautique Internationale up to December 31, 1929
The Brunet les Mureaux Reconnaissance Monoplane THE Ateliers des Mureaux, who are now using the old Kene Tarnpier works at BoulognesurSeine, on the outskirts of Paris, have recently completed a scries of test flights at the Villacoublay Field with their newest monoplane designed for...
SMALL surface cracks in some cast pistons are often present from the date of manufacture, and are due to the casting stresses in the uneven sections. Provided the piston is not subject to considerable distortion in service, these cooling cracks do not increase or lead to failure by fatigue....
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