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INFO : Turbocharger and Supercharger

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  • INFO : Turbocharger and Supercharger

    Just a few days back rash & i along with few friends were having this discussion on the difference between a Turbocharger and a Supercharger wherein my view was that the diff between the two is that the former is used in diesel engines & the later in petrol ones [B)] which was wrong so i searched on it & here's what i found

    Turbocharger and Supercharger

    Both turbochargers and superchargers are called forced induction systems. They compress the air flowing into the engine (see How Car Engines Work for a description of airflow in a normal engine). The advantage of compressing the air is that it lets the engine stuff more air into a cylinder. More air means that more fuel can be stuffed in, too, so you get more power from each explosion in each cylinder. A turbo/supercharged engine produces more power overall than the same engine without the charging.

    The typical boost provided by either a turbocharger or a supercharger is 6 to 8 pounds per square inch (psi). Since normal atmospheric pressure is 14.7 psi at sea level, you can see that you are getting about 50-percent more air into the engine. Therefore, you would expect to get 50-percent more power. It's not perfectly efficient, though, so you might get a 30-percent to 40-percent improvement instead.

    The key difference between a turbocharger and a supercharger is its power supply. Something has to supply the power to run the air compressor. In a supercharger, there is a belt that connects directly to the engine. It gets its power the same way that the water pump or alternator does. A turbocharger, on the other hand, gets its power from the exhaust stream. The exhaust runs through a turbine, which in turn spins the compressor (see How Gas Turbine Engines Work for details).

    There are tradeoffs in both systems. In theory, a turbocharger is more efficient because it is using the "wasted" energy in the exhaust stream for its power source. On the other hand, a turbocharger causes some amount of back pressure in the exhaust system and tends to provide less boost until the engine is running at higher RPMs. Superchargers are easier to install but tend to be more expensive.

    more details can be found on

    Racing Throttle Response

  • #2
    [8D]Nice info man , thanks

    WoW ! [:0] Nice graphics description


    • #3
      Basically, a supercharger is any device that pumps air into the engine. A turbocharger is a special kind of supercharger that uses the engine's own exhaust to power a turbine, which then pumps the air into the engine

      Refer here for more peeps


      • #4
        thats a good piece of info techno...


        • #5
          Good info... can we have some good pics too(i'm feeling kinda lazy to look for them[])...


          • #6
            here are sum pics

            [img] turbocharger.gif

            [img] images/turbo.gif

            [img] garrettturbos.gif
            Racing Throttle Response


            • #7
              Thanx techno .. i think we had that discussion earlier ... and good that i got the concept now. i was kinda eager the know .

              Life is a disease ; birth and death are the symptoms


              • #8
                yeah even i got curious after our discussion that day
                Racing Throttle Response


                • #9
                  where in bombay can we purchase turbo chargers for both bikes and cars..
                  I know the engine block must be strong enough to handle the pressure.
                  How much would they cost for both bike and cars( approx).
                  i m looking at only 25 % genuine increase in power as engine life is also important to me.


                  • #10
                    by the way techno , u gotta smokin ride man ! keep it that way


                    Life is a disease ; birth and death are the symptoms


                    • #11
                      i didn't get wht u mean man [?]
                      Racing Throttle Response


                      • #12
                        ur f***in bike man its awsome, nice power delivery and stuff thats what i ment .....

                        i generally have a soft spot for the 180Dtsi

                        Life is a disease ; birth and death are the symptoms


                        • #13
                          oops thx mate , i'll try to keep her that way, but the wheelie u pulled on ma bike i still remember it frame by frame hope to do that some time in near future [] without ruining it [B)]
                          Racing Throttle Response


                          • #14
                            Nice info Techno...
                            2007 Suzuki GSXR750
                            2004 Suzuku GSX1300R Hayabusa