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Aviation History
1935
1935 - 0646.PDF
3x8 Commercial Aviaiton FLIGHT. MARCH 21, J935. P. S. AND I.O.W. AVIATION PLANS New Airspeed Fleet : Lower Fares and More Frequent Services : Another Route Planned AS foreshadowed in Flight of March 7, the P.S. and /\ LO.W.A. services will be speeded up with the 1 V fleet of new Airspeeds, comprising both " Lynx Envoys" and "Lynx Couriers" which are shortly to be delivered. All these machines are being equipped with wireless, the "Couriers" carrying Marconi A.D.6N. sets and the '' Envoys'' carrying the new Marconi long-range A.D.41/42 sets. All aircraft will be equipped with Sperry artificial horizons and directional gyros and with Reid and Sigrist turn and back indicators. The Company is likely to start a new route on May 1 of considerably greater length than any other under taken, though details cannot yet be published. The network of ferry services between the mainland and the Isle of Wight will be completed by a new link from Southampton to Ryde and Shanklin, commencing on April 15. The Island Air Express service will again run from Heston. The scheduled time between .Heston and Ryde will be reduced from 40 minutes to 30 minutes, and the " Envoys " will be equipped for this route as eight-seaters. The time-table will provide two basic services a day from Monday to Thursday, three services on Friday, five on Satur day, and four on Sunday, with supplemented services for Easter, Whitsun and the Jubilee Bank Holidays. Cheap day returns will be available from London on Monday to Thurs day, and from the Isle of Wight on Sunday, Tuesday, Wednes day and Thursday. On Saturdays a special lunch-time service will be run, with a late service from the Island at 8.25 p.m. on Sundays and Bank Holiday Mondays. There will be four services on the Bournemouth-Isle of Wight ferry from April 15, increasing to five after June 7. The service will be operated with wireless-equipped " Couriers," and the fares are being reduced. As before, two of the services will connect with Western Airways' services at Bournemouth to and from Bristol and Cardiff. The new service from Southampton and the Portsmouth-Shanklin ser vice will also be operated with " Couriers." Passengers will not change at Ryde, and the fares will be reduced. On the Portsmouth-Ryde Ferry there will be six services a day from April 1 to April 17, and the service will be hourly from April 18 to June G, and half-hourly from June 7. As soon as the Portsmouth airport is lighted reciprocal facilities will be provided at Ryde, and the service will be run until midnight. The Brighton-Isle of Wight Ferry will commence on June 7 with five services a dav, four of which will pro- VERSATILITV : An Austrian mail pilot during the summer months, Hubert Kleinhaus joyrides in the winter from Kitzkeuhl and runs a service, when necessary, to St. Moritz. His machine—of distinctly familiar appearance—is a Hopfner " Superfly " with a Walter "Gamma" engine. Kleinhaus learnt to fly in Germany and took an aerobatic course in this country. vide a through service to and from Bournemouth, and t • which will connect with Western Airways' services to ' from Bristol and Cardiff. Wireless-equipped " Comic *"' will be used. The company will be represented at Heston in North-Easte Airways' offices, and their services will connect with this coin pany's so as to provide daily connections in both directions between the Isle of Wight, Leeds, Newcastle and Edinburgh The company's facilities have been considerably improved at Ryde, and new booking offices are to be established at tie pier gates at Sandown and at Ventnor. Sir Alan Cobham, K.B.E., A.F.C., has joined the Boar;! of the company in the capacity of chairman. Blind Landings in America The Mid-continental route, flown by T.W.A., has been selected by the U.S. Bureau of Air Commerce for the installa tion of its adoption of the Army Air Corps radio blind landing system, described in Flight of December 20. It will be several months before the system is in complete action, and it will, if successful, be arranged along all Federally lighted trunk air ways. No blind approaches will be made with passengers until full tests, for which a Martin bomber and a Douglas will be used, are completed. It will be remembered that the elements of this system, as far as the machine is concerned, are a radio compass—or "homing" device—a marker beacon signal receiver, a sensi tive altimeter, and a directional gyro. On the ground there are two stations transmitting on different frequencies, one about 1,500ft. and the other two miles from the airport; at each station there is a secondary transmitter acting as a marker beacon. The pilot, using his radio compass, establishes his course between the two stations, sets this on his directional gyro, descends to 800ft. over the distant station and to 150ft. over the nearer station, and .then flies in on his instruments. Needless to say, the sensitive altimeter is set to suit the final barometric pressure. Although this system depends on the use of established instruments, more responsibility rests with the pilot during the final stage than in the case of the Lorenz-Telefunken system, which is in use at several Continental airports. ... and at Liverpool Speke aerodrome, Liverpool, is to have radio beacons, the installation of which will be carried out by the Marconi Com pany to the order of the Liverpool Corporation. The main approach beacon is of the aural type, and ™ operate on a medium wavelength so that any aircraft fitted with a normal type of receiving apparatus will be able to use it. In addition there will be two marker beacons which will indicate the pilot's "cut-off" points. One is at a distance of three miles from the aerodrome, and the other is near tn boundary. -r . ,q The main transmitter sends out the usual distinctive sig«a» on each side of the course—Morse dots to one side and ca» - to the other. The transmitter will be timed so that the o^- on»the one side occur exactly during the silence periods be the dashes on the other side. An aeroplane flying °n tll rect course will receive the dot and the dash at equal $^>' and, owing to the timed alternate transmission, it will W as one continuous signal. roach It happens that in the case of Speke the best app ^ course is in a line with Barton. As Barton is ^"'PP Tne Marconi D/F this is a distinctly fortuitous coincides ^ ^ beacon at Speke is not, of course, intended to na\ ^^ range, as D/F facilities are available. The marke ^ will be audible to the pilot without re-tuning n's nisable and each will have its own distinctive and easily rag ^ signal. The aerial system of the main beacl'n,U\vaVelengtli trusive—not exceeding a height of 20ft.—and will be selected between 820 and 900 metres. remotdy Both the approach and the marker beacons will refinefflent, controlled from the control tower, and, as a tin ^ ^ the the main beacon is arranged so that it can 1 • - jn casf control office as a telephone or telegraph transn of emergency. «nsitive tvf* i The Marconi Company is also supplying a sen h »-u —*th wnn-" jj„„ar receiver for the control office at Speke, WK-be maintained with aircraft in conjunction w Manchester.
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