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Recent content by junctionmad

  1. J

    the Operation of Vacumn brakes on early ( pre 90s ) Diesel locomotives

    Thanks guys I was reading the brake setup from US locos, exported to vacuum brake lands. These locos had a form of self lapping pneumatic automation , in that the driver essentially using the train brake exhausted air, and a balance value destroyed vacuum in proportion, the brake lever was...
  2. J

    the Operation of Vacumn brakes on early ( pre 90s ) Diesel locomotives

    Thanks guys I always realised that the loco air brakes were air and had both progressive release and were self lapping In US locos , that were exported to countries deploying vacumn , the system seemed to be that the system has a form of " air priority " , that is the train brake lever...
  3. J

    the Operation of Vacumn brakes on early ( pre 90s ) Diesel locomotives

    as a newbie here and a railway modeller, I am trying to understand how the vacuum brake on a diesel operated My understanding is that vacuum train brakes were not " self lapping" , i.e. if the brake was left on , the vacuum continued to be destroyed and the brake had to be brought back to a...

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