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WE cannot help envying those who have achieved fixed and definite views on the question of education and training. There is no subject on which opinions differ more widely. It is as many sided as a diceand there are moments of pessimism when we feel that the results depend almost equally on...
THERE is, however, one method of considering the problem theoretically which is given tentatively here. Assuming the helicopter has its blade angle reduced so that it will autorotate, the power required to sustain the screw is given by equation 10. This power must be precisely the same as that...
AEROPLANE manufacturers exhibit a growing tendency towards building their own engines conversely, there are instances of engine manufacturers starting aeroplane construction. This is not exactly true of Socit Salmson, the wellknown engine firm, since this concern produced large quantities of...
FUEL quality not only has a very great influence on engine operation and maintenance, but it is also one of the most important factors controlling engine development. Gasolines used as internalcombustion engine fuels possess many physical characteristics, each of which has some practical...
THE first essential in the design of an efficient exhaust system is that the exhaust gases should be carried away from the engine and clear of the aircraft without undue increase in exhaust back pressure. A further consideration of equal importance is the elimination of noise.
BECAUSE of its ability to take off at the maximum weight that it can sustain in the air at sea level, the landplane has always had a greater range than the seaplane. With the advent of the retractable undercarriage, the landplane has now the added advantage of a much higher cruising speed and...
THE problem of the machine finishing of perfectly balanced airscrews is claimed to have been solved in France with the appearance of a machine developed for the purpose after several years of experiment by the Socit L'Helice Equilibr.
No. 32 of the year 1934 Airscrews to the undermentioned designs have been approved and additions should be made to the appropriate Notices
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 Committee for Aeronautics, and publications of other similar research bodies as issued
Separate radial cooling ribs b are arranged so that their sides form between them a number of helical guiding channels for the cooling air. The ribs taper outwards and the section of each is a rhombus.
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