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Aviation History
1909
1909 - 0088.PDF
FEBRUARY 13, 1909. THE BLERIOT FLEXIBLE RADIATOR. IN order to dispose of the radia- tor necessary to cool the circulating water in a more advantageous manner on his aeroplane, M. Bleriot has designed a device which he terms a flexible radiating surface. This was referred to in The Auto- motor Journal a few weeks ago. It consists of a sheet of aluminium closely covered on one side with hollow brass rings, which are joined together in rows by short lengths of flexible rubber tubing. The •cooling water circulates through these rings from one to the other, and is collected by the usual pipes communicating with the pump and the engine water-jacket respectively. •On the Bleriot biplane No. 10 the aluminium sheets are arranged like side-curtains between the uprights supporting the two decks of the machine. The two sheets together carry about 800 rings, which afford a total of about four square feet of direct cooling surface. On the BLERIOT'S BIPLANE.—General view of the central portion showing the radiatorsin place, the seats, steering wheel, propeller. &c. monoplanes the radiator forms part of the surface covering of the body, which consists of a longitudinal girder. The rings are individually fastened to the aluminium sheeting by the act of stamping perforations in their flanges; this process causes a " burr" to be formed, which affords sufficient grip. The illustration of the radiator in place on the aeroplane shown above gives a good impression of the arrangement on the biplane, but this device is also incorporated in another way on the two Bleriot monoplanes. BLERIOT RADIATOR.—View of part of the Bleriot flexible radiator, showingthree of the annular water rings -which are coupled up together by short rubber tubes. The hollow rings are fastened to sheet aluminium merely by the act ofpunching the perforations which will be noticed round them. The Neiv York World Prize. LAST week we leferred to the offer by the New York World to give 10,000 dollars to the man who should duplicate, in the air, the first journey of Fulton's steamship, and this week we give the full conditions attached to the prize. It will be seen that the contest will be managed by the Aero Club of America and that it is open to any form of airship or flying machine. The distance from New York to Albany is 142 miles. The proposal seems to have aroused a good deal of interest in America, and it is announced that Capt. Baldwin, A. Leo. Stevens, Charles J. Glidden and Mark O. Anthony have already entered. The following are the conditions :— 1. The New York World, for the encouragement of the science of aviation, offers a prize of 10,000 dollars lor the duplication in an airship or flying machine of Fulton's feat of 100 years ago. 2. The contest will be held during the Hudson-Fulton celebration, in September and October, 1909. 3. This contest is open to all the world. 4. Any form of airship or flying machine that is mechanically propelled is eligible. 5. The course will be up the Hudson RivSr from New York to Albany. 6. The starting point will be within the bounds of greater New York and the finish any spot within a radius of ten miles of the Capitol at Albany. 7. The prize will be awarded to the competitor who first makes the journey from New York to Albany, but if more than one com- petitor succeeds in performing this feat during any one of the trials, the prize will be awarded to the competitor making the fastest time. 8. The trials will be conducted by the Contest Committee of the Aero Club of America, which is the recognised American and Inter- national authority on these matters. 9. Entries must be made to the Secretary of the Aero Club, and contestants will be bound by the rules laid down by the Aero Club of America. 10. Copies of these rules and other information can be obtained on application to the New York World, or to the secretary of the Aero Club of America. 90
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