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Aviation History
1931
1931 - 0856.PDF
FLIGHT, AUGUST 14, 1931 This side view shows that the robustness common to all Avro aircraft has not been sacrificed although exceptionally clean lines have been obtained. AN AVRO MAIL PLANE V. ROE & CO., LTD., of Manchester, have juctproduced one of the first aircraft specially de- signed in this country for carrying air mails.This is undoubtedly a step in the right direc- tion, particularly as the Avro 627, as it is called, has beenbuilt with the specific purpose of catering for Canadian desires. In its essentials it is reminiscent of the Antelope, but indetail it varies very considerably. From first to last, Mr. Chadvvick, the firm's Chief Designer, has worked in co-operation with the Canadian Government officials and those of Canadian Airways, Ltd., the result being that the627 can definitely be said to represent the type of machine which Canada wants. She is probably not so fast as someof the mail-carrying aircraft used in the United States of America, but undoubtedly satisfies the desiderata of thosewho will use her, to a far better extent, than the American craft. The construction throughout is of metal, andevery precaution has been taken to make her safe, com- fortable, and easy to fly in bad and exceptionally coldweather. As befits a modern production, the whole under- carriage can easily be changed for skis or floats, and full night-flying equipment is, of course, fitted. The engineinstallation includes an electric inertia starter and an engine-driven electric generator. The mail compartmentis built up in the manner of our fireproof bulkheads, with asbestos sheeting sandwiched between duralumin plates.A summary of the main conditions which the machine has been designed to fulfil would be high cruising speed, some600-mile range in still air, ease of maintenance, ease of transport of all replaceable components, and completeequipment for comfortable and regular operation of air- mail services under Canadian conditions. Fuselage Following the now accepted Avro practice, the Type 627fuselage is of welded steel tubing. The main frame is divided into three sections, consisting of the engine mount-ing, which is of the straightforward tubular type, the middle section, which includes the mail compartment andthe pilot's cockpit, and the rear section continuing from behind the pilot to the stern post. As far aft as the pilot'scockpit the fuselage is tubular strut braced, while the rear section is wire braced. Directly behind the engine (Continued on p. 804.) WING DETAILS: The strip steel spars and duralumin ribs exemplify Avto workmanship. v " • 802
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