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338 AIRCRAFT ENGINEERING December. 1934 A Selection of the More Important Aircraft and Engine Specifications Published Recently 408,521 Cooling cylinders, Sold. A. F. I n seaplanes, amphibious aeroplanes, &c, fitted Von, 72, Wagnerstrasse, and Gumprecht, A., with skids 11 for alighting on land or ships ' decks and 6, Bassinstrasse, both in Hamburg, Germany. in addition with floats 13 for use on water, the Sept. 25, 1933. No. 26408 [Class 7 '(ii).] floats are adapted to bo instantly detached by Separate radial cooling ribs b are arranged so releasing a locking-device, such as a slip pin, by- tha t their sides form between them a number of mean s of a single control lever. In one form in helical guiding channels for the cooling air. The which skids 11, Fig . 1, ar e connected to the fuselage ribs taper outwards and the section of each is a b y bracing, by a cross-beam 14 a t the front, and by rhombus. links and shock-absorbers 16 at the rear, open horizontal forks 17 or hooks at the front of the floats 13 engage the cross-beam 14, and perforated lugs 19 a t the rear of the floats engage one on each side of lugs 20 on the skids, a transversely arranged slip-pin 21 passing through each set of lugs 19, 20 an d being withdrawn to release the floats by means connected to an operating-lever. The forks 17 and the. bea m may be interchanged. In a second form cross-pin k the ends of which are held by the race w. in which the skids 11 are received in the decks of Specifications 398,993 and 399,313 are referred to. th e floats 13, each float 13 is secured at the rear b y a horizontally-pivoted transverse lever 25 408,903 . Mixing and atomizing charge. engaging over a skid 11 and held in position by a Swan, A., Royal Aircraft Establishment, South longitudinal lever 23 with which engages a spring- Farnborough , Hampshire. Oct. 18, 1932, No. urged slip-pin 21 capable of being withdrawn by 29081. [Class 7 (ii).1 mean s of a wire 29 load over pulleys to a control A device, particularly applicable to the induction hand lever for both floats. Specification 228,245, pipe, to which it is fixed by a flange 6 on the [Class 4,] is referred to. casing 5, comprises a series of small passages 3, 408,768 . Cylinders. Napier & Son, Ltd., D., formed by alternate layers of flat and sinuous (or and Vigors, Tb0n6610 R. W., 211, Acton Vale, Acton, London. Jan . 24, 1933, No. 2261. [Classes 7 (ii) and 7 (v).1 The direction of flow of the charge, into the Classified Advertisements cylinder of a sleeve-valve engine, is regulated by providing partitions F 1 extending across an inlet Minimum (12 Words or Less) : 3s. 6d. gallery F from points on each cylinder wall between Each additional word: 2d. adjacent inlet ports C; an inlet port G from an induction passage, behind the galley F, is so arranged that whirling of the incoming charge, or not, is produced according to whether the engine is working as a direct-injection oil engine or a com bustible-mixture engine. As shown each cylinder AERONAUTICAL PLYWOOD has two inlet ports on one side of the partition and THE Aeronautical & Panel Plywood Co., one on the other, and two ports G are provided, one of which can be closed by a slide valve H1 ; by Ltd., sole manufacturers of "MALLITE" this means, in a direct-injection oil engine, whirling and "APPCO" Brands all British Plywood, of the charge can be reduced to facilitate starting. 218/226 , Kingsland Road, London, E.2. Alternatively the two ports may be replaced by a Telephone : Bishopsgate 5641 (4 lines) long slot-like port and the valve Hl by a plate zig-zag) thin material which surround a large having a single aperture which can be adjusted passage 4. The strips, which may be wound spirally with reference to the slot-like port. an d arranged in conical form as shown, or be layered in parallel planes, are riveted or sweated to APPOINTMENTS VACANT one another and to the casing. In addition to steadyin g the flow of combustible mixture, the Witwatersrand Technical College device improved the vaporization of the fuel and th e large passage 4 prevents blockage by the forma LECTURER-INSTRUCTOR tion of ice. IN AERONAUTICS. WANTED for the Johannesburg Day 409,019 . Aircraft undercarriages. Fairey, Technical and Trades School Department C. R., Cranford Lane, Hayes, Middlesex. Jan. 13, of the College. Applicants must have had a good 1926, No. 1009. [Class 4.] general and technical education, have had work shop training and experience, preferably in automobile engineering, and must hold at least 408,817 . Airscrews. Fairey Aviation Co., the "A," "B," "C" and "D" Licences. Ltd., Cranford Lane, Hayes, Middlesex, and For Salary scale £400-20-£500. Commencing salary syth, A. G., Venlaw, Burdon Lane, Cheain, Snrrov. will be assessed according to qualifications and May 9, 1933, No. 13462. [Class 114.] experience and the present salary of the applicant. Each blade b of a variable pitch airscrew has a A medical certificate may be required and the shoulder c a t its root a which is enclosed in a two- successful applicant must join the Government par t sleeve d, the parts being secured by bolts f at the upper end and by a screwed ring h a t the lower Provident Fund. The appointment is subject to end. The ring is Hanged at m to take a thrust race the Conditions of Service under the Union Higher n o p and carries the eccentric pin j by which pitch Education Act of 1923. adjustments are effected. The ring is secured by a A grant of £60 will be made towards travelling expenses and half salary paid from dale of sailing to the earliest dale of arrival in Johannesburg. • These abstracts of complete specifications of patents recently published are specially compiled, by permission of H.M. Stationery Information regarding Conditions of Service Office, from abridgments which are issued by the Office classified may be obtained from the London Agents of the into groups. Sets of group abridgments can be obtained from the Patent Office, 25 Southampton Buildings, London, W.C.2, College, Messrs. Frank Ross & Company, 9, cither sheet by sheet as issued, on payment of a subscription of Fenchurch Avenue, London, E.C.'S, to whom ap 5s. per group volume, or in bound volumes at 2s. each. Copies of the full specifications can be obtained from the same address, plications, in triplicate, must be submitted under price Is, each. a list of heading's obtainable from the foregoing, Except where otherwise stated, the specification is unaccom- not later than the 22nd December, 1934. pauied by drawings if none is reproduced.
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Dec 1, 1934
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