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12/24/05 02:13
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#105859 - Ferrari 348
Responding to: ???'s previous message
Farhsid said:
Then e.g. 4 transistor in case of 4-Cylinder engine could be used to fire the proper cylinder at the proper time.This would eliminate the need of Distributor.

Ferrari 348, which was built in 1991, had an ignition system without distributor: Each row of 4 cylinders had a group of two coils providing four outputs, each connected to a sparking plug. A power modul existed, containing two separate outputs to drive the two coils. And as Andy already mentioned, "wasted" sparking was used, where each cylinder sees two sparks every 4 cycles, not only in the compression phase, but also in the exchange phase.

I think there's no advantage in avoiding ignition coils in future, but in avoiding the distributor!

Kai



List of 73 messages in thread
TopicAuthorDate
What do you guess it could be ?            01/01/70 00:00      
   Van Der Graaff generator?            01/01/70 00:00      
      Whimshurst            01/01/70 00:00      
   Gas light            01/01/70 00:00      
   Sparking plug?            01/01/70 00:00      
      That's it !            01/01/70 00:00      
         Very well dangerous...            01/01/70 00:00      
            Condenser            01/01/70 00:00      
               Electrolytic, really?            01/01/70 00:00      
                  RE : Electrolytic, really?            01/01/70 00:00      
                  Could my modifications be harmful ?            01/01/70 00:00      
                     Capacitors            01/01/70 00:00      
                        it's always in my sight ;)            01/01/70 00:00      
                     DCCS            01/01/70 00:00      
                        So            01/01/70 00:00      
                           Specifications            01/01/70 00:00      
                              dash            01/01/70 00:00      
                                 Box and remote starting            01/01/70 00:00      
                                 Vacuum forming            01/01/70 00:00      
                              Plastic Boxes            01/01/70 00:00      
                                 potting boxes            01/01/70 00:00      
                                 Potting Boxes?            01/01/70 00:00      
                                    Vacuum Forming            01/01/70 00:00      
                                       Thanks for the link            01/01/70 00:00      
                                          Still need a nice "front"            01/01/70 00:00      
                                             Casing...            01/01/70 00:00      
                                                display            01/01/70 00:00      
                                                   Hidden until light up            01/01/70 00:00      
                                                      Visiting Tehran            01/01/70 00:00      
                                                         mail ?            01/01/70 00:00      
                                    Laptop            01/01/70 00:00      
                                       Hmm...            01/01/70 00:00      
                        Dash            01/01/70 00:00      
                           ...nor            01/01/70 00:00      
                           Covering is hard            01/01/70 00:00      
                     Battery seems to be disconnected!            01/01/70 00:00      
                        blocking            01/01/70 00:00      
                        Electrical sytem            01/01/70 00:00      
                           As I suspected...            01/01/70 00:00      
                              How to connect the second battery            01/01/70 00:00      
                                 Err            01/01/70 00:00      
                                    Dual battery            01/01/70 00:00      
                                       OOOPS            01/01/70 00:00      
                                 You could try this            01/01/70 00:00      
                                    RE :You could try this            01/01/70 00:00      
                        Electrical sytem            01/01/70 00:00      
            Neat trick            01/01/70 00:00      
               arcing cables            01/01/70 00:00      
                  no way            01/01/70 00:00      
                  Wow !            01/01/70 00:00      
                     50,000 volts            01/01/70 00:00      
                     Switching techniques            01/01/70 00:00      
                        Per Plug ?            01/01/70 00:00      
                           Sort of            01/01/70 00:00      
                        New techniques            01/01/70 00:00      
                           Current techniques            01/01/70 00:00      
                              DC/DC Converter not dedicated coils            01/01/70 00:00      
                           Ferrari 348            01/01/70 00:00      
                              Distributor-less            01/01/70 00:00      
                                 Not quite            01/01/70 00:00      
                                    Look here            01/01/70 00:00      
                                       Coils            01/01/70 00:00      
                                 Distributor-less            01/01/70 00:00      
                                    Wear and tear            01/01/70 00:00      
                                       Amazing            01/01/70 00:00      
                                    Distributor            01/01/70 00:00      
                                       Electrical field strengths would be huge            01/01/70 00:00      
                                          Big 'uns.            01/01/70 00:00      
                                             Interesting            01/01/70 00:00      
                                                Hate to think            01/01/70 00:00      
                  Porosity of cables            01/01/70 00:00      
                     corona            01/01/70 00:00      
                        Ah, that's the right word.            01/01/70 00:00      

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