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Aviation History
1964
1964 - 1224.PDF
FOCHT International, 23 April 1964 SNECMA (Societe Nationale d'Etude et de Construction de Moteurs d'Aviation, 150, Boulevard Haussmann, Paris 8e, France. Exemplified at Hanover is the work of SNECMA'S Villaroche test centre. Of this the company remarks: "France, with the SNECMA Melun-Villaroche test centre, dis- poses a facility of prime importance com- parable to the most reputed abroad. The production test-beds ensure that the testing of gas turbines and piston engines is carried out before delivery under the most advanced quality control techniques. The extensive re- search facilities express France's will to main- tain her very own technique in the development of high power gas turbines. Government policy continuity, perseverance in SNECMA's efforts, such are the reasons which, warrant France's claim to have regained in the field of aircraft propulsion the place that was hers in the past." Among SNECMA's major products is the Atar turbojet. Two series—Atar 8 and 9— are in production, the 9 being similar to the 8, but having reheat. Atars power the entire family of fighters, bombers and reconnaissance aircraft built by Marcel Dassault. Thrusts of over 13,0001b are attained with reheat. The company is also responsible for the Gen- evieve relay satellite, and comments: "The SNECMA relay satellite is a synchronous satellite with an equatorial orbit, which means that it completes its orbit in 24hr in the plane of equator and appears stationary to an earth- bound observer. It will be used mainly to re- transmit television signals, but the band width required (50 MHz) allows the transmission of up to 1,000 simultaneous telephone conversa- tions and therefore the SNECMA relay satellite may also be used for long distance telephone calls. "The type of orbit chosen makes it possible to dispense with the costly and complex ground installations necessary for tracking a non-stationary satellite. For transmitting to the satellite a simple fixed aerial will be satis- factory. As for the user, he will be capable of receiving directly the signals relayed by the satellite without the help of a ground receiving station, the power supply on board the satellite being sufficient." The Aurore upper-atmosphere sounding rocket is another product. Mention must also be made of the turbo-molecular pump, an axial-flow unit consisting of only one rotating assembly, enclosed in a casing mainly com- posed of a stainless steel cylindrical ring. Mention must also be made of SNECMA's atomic division, the forges and foundries at Gennevilliers and the Elecma electronic divi- sion. Among this division's products are the Cyclope 1 lock-follow tracking aerial installed on the Sahara test ranges; jet-pipe tempera- ture controls for the Atar and other applica- tions; some wide-band aerials; and electronic components for airborne HF installations. Socrat (Society de Constructions Radiotele- Phoniques), 2 & 4 Rue Kuss, Paris 13, France. With more than 5,000 aircraft in 25 countries Quipped with their VHF com, nav and UHF equipment, Socrat are showing a comprehen- sive selection of their equipment at Hanover, me range includes VHF and UHF airborne communications radios, VOR/ILS receivers ana indicators, marker receivers and a series of special test sets associated with them. Most recent innovations are the 3W Socrat 1133-C, which du-ectly replaces the earlier TR-AF-30 wimom any alterations, the frequency selector fhJ ™ ch similarly replaces the selectors of Z, TR-AP-8 and TR-AP-30, and a new th^f Bsive test and maintenance set forne Socr at navigation receivers. 689 Societe pour le Perfectioneement des Materiels d'Equipement Aerospatiaux (Sopemea), 1 Rue Victor-Hugo, Issy-les-Moulineaux, Seine, France. Formed under the aegis of the French association of aircraft and space equipment manufacturers, this company maintains special test laboratories and equipment in the Paris area. Its exhibit at Hanover indicates the extent and capability of these establishments, which have already undertaken work for German companies as well as French. Southern Instruments Ltd, Instrumentation Division, Camberley, Surrey, England. The following items are displayed: M.1800 Series F.M. pre-amplifier unit and G.500 Series transducers; counter-tachometer Type M.1157; M.1227/8 camera and drive unit; and direct-recording ultra-violet oscillograph. Of the camera, the makers remark:— "The 70mm camera Type M.I227 provides a simple means of recording waveforms dis- played on a cathode ray oscilloscope. It is a single-shot instrument fitted with a bloomed Dallmeyer f3.5 lens. Repetitive waveforms are photographed with a brief exposure, and transient waveforms are recorded by exposing the film for one X sweep initiated by the transient. "Either perforated sensitized paper or film may be used, and this is contained in light- tight cassettes; the camera can therefore be loaded and unloaded in daylight. The winding lever has a positive action and it advances the film one full frame for each complete move- ment. The winding mechanism is coupled to an indicator that shows the number of expo- sures made and the amount of unexposed film remaining in the load cassette. "All working parts are mounted on an aluminium casting and the whole is enclosed with an upper and a lower cover. The upper cover is easily removed to give access to the film cassettes for loading and unloading the camera. "For continuous recording, which requires only the Y deflection of the oscilloscope, the camera is coupled to the drive unit Type M.1228. This mains-operated attachment provides six continuous feed speeds between 1 and 50in (2.5 and 127cm) per second." Sperry Europe Continental, 7 Avenue de 1'Opera, Paris, ler, France. This company is showing Sperry aero- nautical, guided weapons and electronic divi- sion products. Sperry London's components and systems interests are represented on the Vickers GmbH stand. New instru- ments, described hereafter, are displayed. Designed to meet the requirements of supersonic transport, V/STOL and conven- tional aircraft, the advanced attitude director includes- take-off director and flight-path vector information in addition to the normal flight director display. A spherical presenta- Southern Instruments F.M. pre-amplifier unit Series M.I800 tion of attitude is employed. Airspeed error information appears on the left-hand side of the instrument face. An airline operational requirement, the completely new take-off director gives an un- ambiguous indication of when to "rotate," followed by an indication of optimum climb- out. The instrument can be programmed, e.g., for noise abatement procedures. The low-cost attitude indicator is claimed to meet executive, feeder-liner and helicopter requirements for a practical, lightweight in- stallation. It is particularly suitable for sloping panels. The AR-2 standby attitude indicator is a panel-mounted integrally lighted instrument which displays pitch and roll atti- tude information from any conventional or standby vertical gyro. It is available with roll angle markings either at the top or at the bottom of the display. Speriy advanced attitude detector for flight- path vector information Sperry SPL.45 autopilot
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