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Aviation History
1947
1947 - 0620.PDF
3G6 FLIGHT APRIL 24TH, 1947 WHEELED INSTRUCTION Tour of R.A.F. Mobile Classrooms ONE of the first mobile classrooms made available tothe R.A.F. was a civilian motor coach convertedand equipped by the de Havilland Company in 1941 to offer instruction on JD.H. airscrews. Due to the shortage at that time of labour, materials, tyres and petrol the number of vehicles manufactured specially as classrooms did not exceed ten until mid-1945, but there are now 43, available for service anywhere in the world. Some preliminary notes on the classrooms were published last week, and on this page are set out details of individual vehicles, twenty of which, in four convoys, left the Horse Guards Parade on April 16th to visit many towns through- out the country. Each convoy, or team, is led by a re- cruiting van and will be on show for lengthy periods in forty-four towns, apart from short stops en route. The various manufacturers have given great assistance to Technical Training Command in the preparation of the vehicles and in many cases have supplied their own instructors. TEAM "A." Boulton Paul Type '• D." Fitted out lor instruction to air-gunners, armourers and electricians on the operation and servicing of the Boulton Paul Type D front turret as fittedto the Lincoln. A workable turret is installed in the class- room and there are four synchrophones to show the opera-tion of different mechanisms. Rotol No. 5. Instruction is given in this classroom in theoperation, servicing and rectification of faults of Rotol elec- tric airscrews. A cinematograph projector is carried. Sperry No. 1. An instructional workshop and calibrationshop. It is possible in this classroom to repair any Sperry gyro instrument or the type A.3 automatic pilot as suppliedto the R.A.F. It contains its own compressed air and suction supply as well as lathes, drilling machines, etc.A 16-mm cinematograph projector is fitted. Dowty No. 1. The instructional equipment in this consistsof a complete Dowty hydraulic system as fitted to fighter aircraft. There are sectioned components and a 16-mmcinematograph projector, as well as a synchrophone. Automatic Pilot No. 1. Fitted with a working layout of theMark VIII automatic pilot as was used on most R.A.F. heavy bombers during the last stages of the war. Equip- .llient is carried SO that repairs can be made. M.T. Tyres No. 1. The servicing, repair and storage of mech-anical transport tyres is taught in this classroom. There are many interesting sections of outer covers showing thevarious types of damage that may be caused by bad driving or faulty maintenance. Films showing M.T. tyre repairand servicing can be presented with the sound cinemato- graph projector. TEAM "B." Oaudel Hobson Carburettors. Designed to give instructionon the setvicing and repair of all aircraft carburettors and injectors of Claudel Hobson manufacture used in the R.A.F.It contains sectioned units and components. De Havilland Propellers No. 2. Fitted out so that instructioncan be given on all types ct de Havilland variable-pitch air- screws. Besides normal instructional equipment there areseveral sectioned airscrews and components and a cinemato- graph projectoi which shows films on the functioning andservicing of airscrews. Dowty No. 2. In this classroom is a complete Dowtv hydrau-lic system as fitted to a bomber. There are sectioned com- ponents and a 16-mm cinematograph projector. ' Boulton Paul Type " F." This is fitted out to give instructionto air gunners, armourers and electricians on the operation and servicing ot the Boulton Paul Type " F" rear turret.There is a workable turret installed in the classroom and be- sides normal instructional equipment there are four synchro-phones which explain the operation of different mechanisms. Dunlop Pneumatics. Equipped for instruction on the Dunloppneumatic system as fitted to a large number of R.A.F. and civil aircraft. It contains sectioned components andhas gear with which an ' normal pneumatic component can be tested. Its synchrbphone gives instruction on the Dunlop pneumatic brake relay unit. Bostick Products. Designed to give instruction on the correct application ol all Bostick products used in the R.A.F. It contains samples of the different materials that may be joined with the various Bostick compounds. TEAM "C." Derwent Gas Turbine Engines. This is planned for instruc-tion on the Rolls-Royce Dei went gas turbine engines aS' used by the Cluster Meteor. Fitted in this vehicle is asectioned Derwent engine and many sectioned components. A 16-mm sound cinematograph projector is carried anddescriptive films of the gas turbine engine can be shown. F.N. 82 Turrets. Fitted out to give instruction to air gunners,armourers and electricians on the operation and servicing of Frazer Nash Type F.N. 82 rear turret which is fitted toHalifax aircraft. A workable F.N. 82 turret is fitted inside the classroom and there is a synchrophone for explainingvarious mechanisms. Rotol No. 4. Instruction can be given in this classroom inthe operation, servicing and rectification of faults on Rotol hydraulic airscrews. A cinematograph projector is fitted. S.U. and Stromherg Carburettors. To be used for instructionon the Stromberg and S.U. carburettors and injectors used in the R.A.F. It contains sectioned components, workingdiagrams, and a cinematograph projector. Flight Instruments. This is equipped as a mobile instrumentworkshop and calibration room and instruction can be given on the repair, servicing, testing and calibration of mostflying instruments in use in the R.A.F. The normal machines and test apparatus usually found in an instru-ment workshop are set up here. Lockheed. Containing a complete working aircraft hydraulicsystem fitted as well as many sectioned components of Lockheed manufacture. There is a pressure testing rig forthe testing of components and a working layout of the Lockheed brake system used on cars. TEAM "D." Goblin Gas Turbine Engines. This has a sectioned de Havil-land Goblin gas turbine engine so that instruction on the maintenance and running faults of this engine can be given.It also contains a cinematograph projector for showing films on the functioning of the Goblin, which powers the Vampirefighter. B.17 Turrets. Arranged for instruction to air gunners,armourers and electricians on the operation and servicing of the 20-mrn cannon turret fitted to the Seaford flying-boat and Lincoln bomber. A workable turret is fitted in the classroom and there is a synchrophone explaining theoperation of the different mechanisms. Aircraft Tyres No. 2. Designed so that instruction may begiven 011 the conect servicing and repair of all types of aircraft tyres. It contains equipment made by the Dunlopfirm, including vulcanizing repair outfits which enable units in the field to carry out repairs which would otherwise meanthe return of the tyre to a repair unit. A 16-mm cinemato- graph projector is fitted so that films on tyre maintenancemay be shown. ; Rotol No. 2. Instruction and practical experience can begiven in this classroom On the repah of wooden blades of Rotol constant-speed airscrews. It is completely self-con-tained as regards benches, jigs, tools, etc., and there is a cinematograph projectoi for showing films on the repairof wooden blades. - - Flight Instruments. Fitted out as a mobile instrument work-shop and calibration room, and instruction can be given on the repair, servicing, testing and calibration of most flyinginstruments in use in the R.A.F. The normal machines and test apparatus usually found in an instrument workshopare set up in this classroom. : Lockheed. This has a complete working aircraft hydraulfesystem as well as many sectioned components of Lockheed manufacture. There is a pressure testing rig for the testingof components and a working layout of the Lockheed brake system used on cars.
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