FlightGlobal.com
Home
Premium
Archive
Video
Images
Forum
Atlas
Blogs
Jobs
Shop
RSS
Email Newsletters
You are in:
Home
Aviation History
1932
1932 - 0059.PDF
FLIGHT, JANUARY 15, 1932 M=^ ALTERNATIVE POSJTION OF HANDLE (ENDS ROTATED THROUGH QO") E OUTLINE DRAWINGS OF VICKERS DUPLEX AIR COMPRESSOR: Alternative positions are provided for the handle. through the main axis bolt, the crank and connecting rods being suitably drilled. The inlet ports are protected by gauze covers and the exposed working parts are protected by a canvas cover. This pump is guaranteed to raise the air pressure in a standard air bottle of 390 cu. in., from 0 to 200 lb. per sq. in., in ten minutes, by two men, working alternately. ROBERTS' AEROPLANE STABILISER (Concluded from page 51) <s> wing which is itself lowered, excluding for the moment the action of differential ailerons, and thus produces a righting moment. Fore and aft trim can be obtained, as will be seen by the Bowden control " G," as this will have the effect of altering the position of the control column in relation to the vertical. It would appear that acceleration forces would tend to make the aircraft hunt, and to a certain extent we found this to be the case, but this difficulty should be overcome before long. Just what degree of automatic fore and aft control will be obtainable is not yet clear. Complications arise in a turn, as a balance is obviously struck between the gravitational and the centrifugal forces on the weight, and this seems to be helped in the right direction by the fact that the weight used is mercury, thus ensuring that the C.G. shift is greater, and possibly more rapid, than would be the case with a solid medium. On test it was really astonishing to note the way in which the aircraft immediately regained level flight if a |arge amount of top rudder was applied while in a tight nTa- Tne action of raising the weight "B" by the isowden Control " D " naturally makes the whole m echanism ineffective, but it may at all times be over ridden should the pilot wish to do so, so that this may later be found to be unnecessary. We shall watch de velopments with great interest, for it is simple, light, and should be inexpensive, even this experimental model only weighing about 184 lb. When only one man operates the pump, the times are as follow:—100 lb. per sq. in. in 3 to 4 min., and 200 lb. per sq. in. in 12 to 14 min. An engine of approximately 500 horsepower usually can be started when the pressure reaches 75 lb. per sq. in. ; thus, four to five starts should be obtainable with one charge of the air bottle when charged to 200 lb. per sq. in. <$> <$> B. C. THE British Corporation Register of Shipping and Aircraft (to be known as the B.C.) have an Aviation Com mittee, who gave a luncheon at the Royal Aero Club on January 13 to celebrate the issue of their Register of Aircraft (described on page 61). The Chairman is Mr. M. E. Denny, while those others, well known in aviation, serving with him include H. N. St. V. Norman, Sir Alan Cobham, Lt. Col. M. O. Darby, I. H. McClure, H. E. Perrin, W. L. Runciman, Col. the Master of Sempill, Air Com. J. G. Weir, G. E. Woods Humphrey, and Maj. R. H. Mayo. Mr. T. E. Thomas is the secretary, on whom has fallen most of the work of the index. After lunch the Chairman stressed the fact that the B.C. had nothing to do with Lloyd's, who did not issue anything like this new Index. He referred to it as being the only one of its type in the world. Mr. Norman, when called upon, said that the B.C. was the first body to undertake the inspec tion of aircraft for renewal of C.'s of A., and they had, he felt, made the whole operation much more simple than hitherto. A Ground-to-Air Link THE Automobile Association announces that the Air Ministry has approved the A.A. telephone box at Lock- well Hill, six miles South of Ollerton on the Nottingham Road, as a point at which members may drop messages from aircraft for transmission by the A.A. Air Message Service. Pilots are warned that messages should no longer be dropped at the A.A. telephone box at Ollerton cross roads on the main road from Newark to Worksop as the heavy increase in traffic has rendered it unsafe to do so. In consequence, therefore, this box has been withdrawn from the Air Message Service Organisation. 59
Sign up to
Flight Digital Magazine
Flight Print Magazine
Airline Business Magazine
E-newsletters
RSS
Events
