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Aviation History
1928
1928 - 0223.PDF
Flight, March 29,'1928 First Aeronautical Weekly in the World. Founded January, 1909 Founder and Editor : STANLEY SPOONER A Journal devoted to the Interests, Practice, and Progress of Aerial Locomotion and Transport OFFICIAL ORGAN OF THE ROYAL AERO CLUB OF THE UNITED KINGDOM No. 1005. (No. 13. Vol. XX.) MARCH 29, 1928 ["Weekly, Price 6d.L Post free, 7d. The Aircraft Engineer and Airships Editorial Offices: 36, GREAT QUEEN STREET, KINGSWAY, W.C.2. Telephone: Holborn3211. Telegrams: Truditur, Westcent. London. Annual Subscription Rates, Post Free. United Kingdom .. 30s. id. Abroad .. .. 33s. Orf.* * Foreign subscriptions must be remitted in British currency. CONTENTS Editorial Comment: PAGE The Pits'of It.. .. 203 Boulton & Paul "Sidestrand" 6 THE AIRCRAFT ENGINEER 212a Private Flying : Flying in Canada 214 Light'Plane Clubs 218 Parnall " Imp " 7 Debate on Air Estimates 219 Airisms from the Four Winds 220 Royal Air Force 221 Rugby : Army v. R.A.F 221 Imports and Exports 2 " FLIGHT " PHOTOGRAPHS To those desirous of obtaining copies of "Flight" Photographs, these can be supplied, enlarged or otherwise, upon application to Photo. Department, 36, Great Queen Street, W.C.2. For Sizes and Prices, see Advert, on page i. DIARY OF CURRENT AND FORTHCOMING EVENTS Club Secretaries and others desirous of announcing the dates of important fixtures are invited to send particulars for inclusion in this list — 1928 Mar. 28- Apl. 4 Exhibition of Light Aeroplanes, Folkestone Drill Hall. Apl. 6-7 .... Cinque Ports Flying Club Demonstration, Lympne Apl. 8-9 ... Aerial Display, Suffolk Aeropiane Club, Hadleigh. Apl. 12 .... " Some Aspects of the Development of the Slot." Mr. G. R. Volkert, before R.Ae.S. & Inst.Ae.E. Apl. 14-21 All-American Aircraft Show, Detroit. U.S.A. Apl. 26 .... " The Design and Construction of Modern Rigid Airships." Mr. B. N. Wallis, before R.Ae.S. & Inst.Ae.E. May 5 .... Light 'Plane Meeting, Bristol May. 17 .... Aero Golfing Soc—Spring Meeting, "Flight Challenge Cup May 28 .... Light 'Plane Meeting, Hamble The Pity of it EDITORIAL COMMENT IN Friday of last week, March 23, The Daily Mail contained an interview with the Secretary-General of the Air League of the British Empire, Brigadier-General P. R. C. Groves, which we do not feel that we can, in justice to British aircraft designers and to the British public, let pass unchallenged. The Daily Mail has such influence with the million through its enormous circulation, and has in the past done so much to further the cause of aviation, that one must regret to see it publish aviation news of the character of this interview, the position of the " interviewed " being such that an importance is likely to be attached to his reported statements far in excess of that which, in this instance, they merit. The interview to which we refer relates to a new "giant" flying-boat of which "the intelligence section of the Air League of the British Empire has secured the first authentic details." The interview proceeds to state that this machine is under con- struction in the works of the German Dornier Company on the Swiss side of Lake Constance, and that " The craft, which is a flying-boat, inaugurates a new phase in aircraft design. . . ." General Groves is quoted as stating that the new machine will have a wing span of 158 ft., a total loaded weight of 44 tons, 12 engines developing a total of 6,000 h.p., and will carry 50 passengers and a crew of nine. Furthermore, the machine, it is stated, is intended for a German service across the Atlantic to New York. Taking the figures quoted to be accurate, and we have seen no statement from General Groves to the effect that he has been inaccurately reported, the wing span of this new monster is to be 158 ft. A fairly common aspect ratio for normal wings is 10. This would make the chord of the Dornier 15-8 ft. For simplicity, let it be assumed that the chord is 16 ft. In that case the wing area would be 2,530 sq. ft., and as the machine is reported to weigh 44 tons i.e., 98,560 lb.), the wing loading would be 39 lb. per sq. ft. In other words, it would be an impossibility for the machine to get off the water ! C
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