Engine turbo starters
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Engine turbo starters

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    Engine turbo starters Engine turbo starters Presentation Transcript

    • TURBO-STARTER
      • INTRODUCTION
    • TURBO-STARTER
      • A TURBO-STARTER IS DEVISED TO PROVIDE INITIAL CRANKING TO AN ENGINE (WITH ROTORY/MOVEABLE PARTS) FOR SUFFICIENT DURATION
      • FOR INSTANTANEOUS AND RELIABLE STARTING WITHOUT GROUND SUPPORT (i.e. SELF-CONTAINED UNIT WITH SHORT STARTING CYCLE)
      • BY FORCING A HIGH-PRESSURE STREAM OF AIR/GASES THROUGH A HIGH-SPEED TURBINE (HENCE THE PREFIX TURBO)
      • - THE DRIVE FROM TURBINE IS DIRECTLY TRANSMITTED TO THE ENGINE THROUGH A GEAR MECHANISM.
    • CARTRIDGE TURBO-STARTER
    • CARTRIDGE TURBO-STARTER
      • SOME MILITARY AIRCRAFT LIKE CANBERRA NEEDED TO BE STARTED QUICKER THAN THE ELECTRIC METHOD PERMITS AND HENCE THEY USE OTHER METHODS SUCH AS A CARTRIDGE TURBINE STARTER OR "CART STARTER".
      • THIS IS AN IMPULSE TURBINE IMPACTED BY BURNING GASES FROM A CARTRIDGE, USUALLY CREATED BY IGNITING A SOLID PROPELLANT SIMILAR TO GUN POWDER. IT IS GEARED TO ROTATE THE ENGINE AND ALSO CONNECTED TO AN AUTOMATIC DISCONNECT SYSTEM, OR OVERRUNNING CLUTCH.
      • THE CARTRIDGE IS SET ALIGHT ELECTRICALLY AND USED TO TURN THE STARTER'S TURBINE. THE CARTRIDGE MAY LOOK LIKE A GUN SHELL/SMALL ROCKET. CARTRIDGE FIRING IS FOLLOWED BY PINCHING SOUND DEEP BLACK SMOKE AND IT GIVES AN ILLUSION OF ENGINE FIRE.
    • TURBO AIR STARTER
    • TURBO AIR STARTER TECHNICAL CHARACTERISTICS WEIGHT: 8,5 KG AIR FLOW-RATE (INTAKE): 0,9 KG/S TEMPERATURE (INTAKE): 530 °C EXPANSION RATIO: 4,07 OUTPUT SHAFT ROTATION SPEED: 57,700 RPM OUTPUT SHAFT POWER: 118 KW APPLICATIONS: ENGINE: EUROJET EJ200 HOST AIRCRAFT: EUROFIGHTER GMBH TYPHOON
    • LIQUID FUEL TURBO-STARTER
    • ADVANTAGES OF TURBO-STARTER OVER ELECTRIC STARTER
    • ADVANTAGES OF TURBO-STARTER OVER ELECTRIC STARTER
      • INSTANTANEOUS START (i.e. SHORT STARTING CYCLE). HENCE IT IS OF PRIME IMPORTANCE WITH INTERCEPTOR AIRCRAFT.
      • RELIABLE & INDEPENDENT STARTING WITHOUT GROUND SUPPORT FACILITIES (i.e. SELF-CONTAINED UNIT)
      • WHEN MULTI BREECH CARTRIDGE STARTER OR LIQUID FUEL STARTERS ARE USED CONSECUTIVE STARTS WITH OUT RE-LOADING ARE POSSIBLE WITH MINIMUM TIME DELAY.
      • IT REDUCES LOAD ON THE AIRCRAFT BATTERIES & ELIMINATES THE NEED FOR HEAVY ELECTRIC CABLES.
      • SUITABLE FOR HIGH-POWERED/ HEAVIER ENGINES.
    • PRINCIPLE OF OPERATION
    • PRINCIPLE OF OPERATION