FlightGlobal.com
Home
Premium
Archive
Video
Images
Forum
Atlas
Blogs
Jobs
Shop
RSS
Email Newsletters
You are in:
Home
Aviation History
1928
1928 - 0685.PDF
JULY 26, 1928 AERO INSTRUMENTS AT THE PARIS SHOW: A few of the many Hughes' compasses, etc., to which reference is made in the text. The S.0.2 compass is in two types, one, shown in Fig. 5,used for steering and the other for taking bearings. In the first type it is mounted at approximately eye level and thereading made by means of a vertical scale visible through a window in the side of the instrument. When used as anobserver's compass, it is fitted with a rotating ring carrying a clamp, level, and full set of prismatic sighting gear, includingprism for reading the card, dark reflector and two shades. The S.0.2 compass was used by Maj. de Pinedo. But brief mention can be made of other " Husun " com-passes, which include the following models :—5/27 D.B., a small form of the 253 D.B., designed for use in light 'planes.259A, a compact compass employing the vertical mica band card, with filaments making it practically dead-beat. No. 256is a seaplane compass of the liquid type with a vertical card. No. 254, a hand observation compass of the liquid type, fittedwith a large adjustable prism and sighting attachment. No. 260, a small observer's compass, of liquid type, with strapfor attaching to wrist. And finally, an airship compass, of the dead-beat liquid type. From compasses, we come to a host of other instrumentsemployed in aerial navigation. In the space at present at our disposal it is impossible to refer to these in detail,for to understand their use and operation would entail a somewhat lengthly description for each. However, theycomprise instruments for ascertaining drift, of which there are a variety of models employing different methods ofoperation ; one of these, the Wind Star and Wind Gauge Bearing Plate Mk. II A, is shown in Fig. 2. Instruments forcourse-setting sights for bombing and navigation—including the Wimperis Marks I A and II ; the Waage Course Corrector,etc. Also, Sextants, such as the Booth or R.A.E. Bubble Sextants, which have been specially evolved for air work. Finally, sundry other items, including the " Husun-Andre-ws " Enemy Speed Finder (Fig. 3), an ingenious and simple device for finding the speed and course of an enemyship from an aircraft ; the Aldis Patent Camera Aiming Sight ; a torpedo directing sight for torpedo-carrying aircraft ;artillery spotters ; Cave-Brown-Cave binocular goggles ; and various devices connected with map-reading. MARCONI APPARATUS AT THE PARIS AERO SHOW BRITISH wireless apparatus for aircraft was represented at the Paris Aero Show by a Marconi Type AD.5 and 12 set fitted in the Bristol singie-seater fighter. The AD.5 and 12 set has been designed particularly to meetnaval and military requirements, and for small machines whose mobility might be hindered by the employment of theordinary trailing aerial. The set requires no trailing aerial, the whole of the aerial system being permanently attached to,and insulated from, the wings and fuselage of the aeroplane. In spite of the limited proportions of such an aerial, a highdegree of efficiency in radiation is maintained by the use of relatively short wave-lengths. The transmitter and receiver are each mounted as separateunits, and either may be installed by itself if desired. The apparatus is extremely compact, and the remote controlarrangements provided enable it to be mounted anywhere in the machine without interfering with the ability of the pilotto operate and adjust the apparatus when flying. [" FLIGHT " Photograph AIRCRAFT WIRELESS : The Marconi installation in the Bristol Single-seater Fighter. 629 r>
Sign up to
Flight Digital Magazine
Flight Print Magazine
Airline Business Magazine
E-newsletters
RSS
Events
