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    Isolating rails —Jonathan Reynolds
   Has anyone tried making isolating rails? By this I mean a purposely modified section of track with a cut in one or both rails (can be done with a modelling grinder etc.). All the postings I have read refer to using 1 stud gaps between the rail ends (...) (24 years ago, 5-May-00, to lugnet.trains)
   
        Re: Isolating rails —Frank Buiting
     (...) Yup, I used this method for the 12 to 9V signal conversion. You can read more about it on my webpage: (URL) have also been thinking about isolating two stretches to use different powersupplies in one layout. I'm a little puzzled how to do it, (...) (24 years ago, 6-May-00, to lugnet.trains)
    
         Re: Isolating rails —James Powell
      (...) Yep. Just a single gap works fine. The period that the motor is bridging both power supplies will not substantially affect either one. The motor may stall if you have the 2 power supplies giving opposite polarities of near the same voltage, (...) (24 years ago, 6-May-00, to lugnet.trains)
   
        Re: Isolating rails —James Powell
     (...) Mindstorms has more than 2 voltage outputs (8+, you can write a program to split it in NQC to 100 discrete power levels, from 0.01 sec power on to 1. sec power on) I have a fair amount of experence doing exactly what you are proposing to do, (...) (24 years ago, 6-May-00, to lugnet.trains)
   
        Re: Isolating rails —Manfred Moolhuysen
   (...) Yes, It is possible to cut trough the metal strip only (well, almost only), on de spots where there are gaps in the plastic supporting these strips. I've done this using a mini tool with a thin cutting disk. It makes a very smooth cut, thin (...) (24 years ago, 10-May-00, to lugnet.trains)
 

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