Film: 3156

Aviation | 1960 | Sound | Colour

Clip:

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Synopsis:

Research in aviation 1960's

Aircraft with BOAC on the side. Office, view looking down of men around a meeting table. Factory. Turbines have black markings on them. In a factory the turbines are taken apart. Research Centre. Black turbine blades are cut into sections for testing. The black material has made the blades very hard. Is the black stuff to do with fuel? Metal samples are blasted with flames to simulate the aircraft engines. Metal structure examined under a microscope. There is a white layer between the black stuff and the good metal. Probe used to test white stuff. Sample put into airlock and tested under pressure. Traces of Nickel, Chromium, Sulphur. Diagram shows how heat builds up on the aircraft body at Mark 2 speed. Temperature of the fuel gets up to 100 degrees so it must be stable to 200 degrees. Fuel tested that is used in Concorde. The fuel is heated in a combustion chamber. The gas the fuel gives off is hot enough to melt aluminium. Lubricants of aircraft are also tested. They have got to keep moving parts working smoothly in extreme temperatures of 300 degrees. Close up of machinery testing lubricants. Controlled combustion of fuels. Testing for Mark 7 speed. Blue flame in a testing chamber. Aircraft use 360 gallons of fuel per hour. Good close up of various mechanical moving parts. Fuel also is a lubricant. Fuel tanks have been found to contain a fungus. Metal bits of fuel tank put into test jars, one turned white the other turned black. Some water present in the kerosene fuel. Petri dish, culture of fungi grown shown in time lapse. Test tubes, woman scientist works on which fungi could live in kerosene. Petra dish, fungi grows in strands. One month later the Micro-biology centre in Kew identify the fungus. Fungi needs water to grow, particles of water in the kerosene. Fuel forms a haze as it cools. Haze gives off a static electric charge. Test measuring the length of time a drop of fuel takes to drip. The quicker it drips the more haze is present. Fuel pumped through chambers. Static. Cold fuel builds static charge most. Cold fuel tested to see if static could ignite it. Excellent test where they use electricity to ignite fuel. It seems to take them by surprise when it creates a fireball. Anti static liquid added to fuel to make it stable. Aircraft takes off. Male scientists working to ensure safety of aircraft. Close up of mechanical parts.


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