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Aviation History
1964
1964 - 1405.PDF
FLIGHT International, 7 May 1964 © ©© © THE TEDDINGTON CONTRIBUTION TO THE V.C.10 IN THE AIR there are forty-five Tedding- ton instruments, sensing and controlling a wide variety of services in the triumphant V.C.10. ON THE GROUND Teddington keep a round-the-clock service to ensure that all the equipment is maintained to give peak performance. 117 TEDDjNGTON AIRCRAFT CONTROLS LIMITED Merthyr Tydfil, Glamorgan, Great Britain. Tel: Merthyr Tydtii 3261. Telegrams: Precision, Merthyr Tydfil 1 High Pressure Stop Valve, (4 off). Opened or closed under air flow conditions by switch- ing a solenoid or in case of system over- pressure operates automatically. 2 Temperature Controller, (2 off). Fully auto- matic pneumatically operated. Controls admittance of high temperature high- pressure air from engine to de-icing system. 3 Servo-Pack, (2 off). Temperature sensitive unit which automatically adjusts a pro- portional pneumatic signal to the con- troller. 4 Pressure Regulator. (2 off). Directly senses pressure in de-icing duct. When necessary may be overridden to the closed position. 5 Relief Valve, (2 off). Spring loaded valve set to provide a "blow-off" facility to safe- guard the de-icing system against over pressure. 6 Main Non-Return Valve. (2 off). Protects one side of the system in event of control failure of remaining side against shut- down due to transient over-pressure condition. 7 Duct Over-heat Sensing Element. (1 Off). Senses temperature of de-icing air supply and makes circuit to a warning lamp if temperature rise is in excess of that specified. 8 Tail Stop Valve, (1 off). Controls supply of hot air for de-icing of tail surfaces. May be opened or closed by solenoid operated valve. 9 Wing Stop Valve. (2 off). Controls hot air supply for wing de-icing. Consists of two independently operated Butterfly Valves which allow 50",, de-icing in the event of failure of the electrical supply to one actuator. 10 Hot Rod Icing Indicator. (1 off). Gives visible information to the pilot of the build-up rate of ice. 11 Flight Deck Humidifier Water Valve. (4 off). Solenoid operated water valve regulatin? the input of water to the air conditioning system. 12Combustor Fuel Valve. (2 off). Solenoid operated fuel valve used to fill the flask 01 the combustor starter system as required. 13 Pressure Switch, (2 off). Senses and switches the cabin temperature control air. 14 Altitude Switch, (1 off). Adjustment con- troller for altitude pressurisation. 15 Servicing- Valve, (5 off). A manually oper- ated valve designed with regard to its compatibility with fluids encountered in aircraft toilet installations. 16 Pressure Regulator. (4 off). Controls supply of high-pressure air to the inducers which cool the A.C. alternator drives and generators. 17 Altitude Switch, (2 off). Adjustment con- troller for altitude pressurisation. Preset to operate at specified altitudes. 18 Over-speed Solenoid Valve. (2 off). For the manual control of the Freon system. 19 Fuel ' Heater Temperature Controller, (4 off). Regulates heat exchanger tempera- ture
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