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Title:I.C. ENGINE - PRINCIPLES OF THE INTERNAL COMBUSTION ENGINE [Main Title]
Film Number:AMY 223
Summary: Detailed instructional film focusing on the principes of the internal combustion engine.
Description: Reel 1: “In 1862 the first 4 stroke internal combustion engine was made. Since then, civilization has become dependent upon its applications.” Description of the workings of a IC engine. “Heat and Work” - basic demos of how heat expands air. “The 4-Stroke Cycle” - animated diagram explaining how 4-stroke engine works.
Reel 2: “Elements of the 4-Stroke Engine” Cutaway model of engine used to demonstrate workings of engine and valves. Workings of carburettor. “Mechanical Construction” - 9 cylinder aero engine cutaway model used for demonstration of the parts of the engine working in unison
Reel 3: “Valve Timing” - as title, “Valve Timing Effect of The Weight of the Mixture”, mixture lag explained. Valve timing explained. “Valve Operation Time-Lag”, “Valve Timing – Inlet Opens”, “Inlet Closes”, “Exhaust Opens”, “Exhaust Closes”, “Circular Timing Diagram”,
Reel 4: “Carburation” - MkI Hurricane ground running. Basic carburettor explained. “The Float Chamber” - explanation of the workings of the float chamber. “The Choke Tube” - Venturi Effect demonstrated on an induction pipe.
Reel 5: “Ignition Part One” - ignition system explained. Induction Coil – effects of magnetic fields and production of current.
Reel 6: “Ignition Part Two”. Effects of primary and secondary coils. “The 2-Stroke Cycle” - description of the operation of a 2-stroke engine.
Reel 7: “Cooling” - Air or liquid cooling for aero engines. Example of addition of fins to model of a cylinder to demonstrate improved cooling. “Liquid Cooling – Thermo-siphon system” - diagram of liquid cooled engine. Diagram of radiator. “Aero Engine Cooling System” - cutaway engine to show cooling system.
Reel 8: “Supercharging – Altitude and Engine Power” (G-AFHI) Tiger Moth taking off. Graph showing fall off of power as altitude increases. Atmospheric pressure explained. Use of supercharger to increase air pressure. “The Boost Gauge” - explained. “Mechanical Construction” - explained. “Two Speed Supercharger and Boost Control” - explained.
Reel 9: “The Claudel-Hobson Carburettor” - Various devices fitted to carburettors to compensate for operating under varying flight conditions. “Main Fuel Metering System” - diagram of diffuser tube in operation. “Power Jet” - explanation of power jet. “Idling System” - Slow running jet explained. “Accelerator Pump” - explained. Flat spot explained.
Reel 11: “Mixture Control” - compensating for mixture strength at higher altitude using diagram. “Carburettor Construction” - sectioned carburettor /diagram to explain. “The Pressure Balance system of Mixture Control” - explained. “Taper Needle Mixture Control” - explained.