diff --git a/McZapkie/Mover.cpp b/McZapkie/Mover.cpp
index a1f76501..4bee3a02 100644
--- a/McZapkie/Mover.cpp
+++ b/McZapkie/Mover.cpp
@@ -3456,7 +3456,7 @@ void TMoverParameters::UpdatePipePressure(double dt)
         temp = 0.0; // odetnij
     else
         temp = 1.0; // połącz
-    Pipe->Flow(temp * Hamulec->GetPF(temp * PipePress, dt, Vel) + GetDVc(dt));
+    Pipe->Flow( temp * Hamulec->GetPF( temp * PipePress, dt, Vel ) + GetDVc( dt ) );
 
     if (ASBType == 128)
         Hamulec->ASB(int(SlippingWheels));
diff --git a/McZapkie/Oerlikon_ESt.cpp b/McZapkie/Oerlikon_ESt.cpp
index ef433d64..8ae37298 100644
--- a/McZapkie/Oerlikon_ESt.cpp
+++ b/McZapkie/Oerlikon_ESt.cpp
@@ -435,8 +435,6 @@ void TNESt3::ForceEmptiness()
     Miedzypoj->CreatePress(0);
     CntrlRes->CreatePress(0);
 
-    BrakeStatus = 0;
-
     ValveRes->Act();
     BrakeRes->Act();
     Miedzypoj->Act();
diff --git a/McZapkie/hamulce.cpp b/McZapkie/hamulce.cpp
index 06e45445..8c76e06a 100644
--- a/McZapkie/hamulce.cpp
+++ b/McZapkie/hamulce.cpp
@@ -413,6 +413,7 @@ void TBrake::ForceEmptiness()
 {
     ValveRes->CreatePress(0);
     BrakeRes->CreatePress(0);
+
     ValveRes->Act();
     BrakeRes->Act();
 }
@@ -757,6 +758,17 @@ double TESt::GetCRP()
     return CntrlRes->P();
 }
 
+void TESt::ForceEmptiness() {
+
+    ValveRes->CreatePress( 0 );
+    BrakeRes->CreatePress( 0 );
+    CntrlRes->CreatePress( 0 );
+
+    ValveRes->Act();
+    BrakeRes->Act();
+    CntrlRes->Act();
+}
+
 //---EP2---
 
 void TEStEP2::Init( double const PP, double const HPP, double const LPP, double const BP, int const BDF )
@@ -1721,6 +1733,17 @@ double TCV1::GetCRP()
     return CntrlRes->P();
 }
 
+void TCV1::ForceEmptiness() {
+
+    ValveRes->CreatePress( 0 );
+    BrakeRes->CreatePress( 0 );
+    CntrlRes->CreatePress( 0 );
+
+    ValveRes->Act();
+    BrakeRes->Act();
+    CntrlRes->Act();
+}
+
 //---CV1-L-TR---
 
 void TCV1L_TR::SetLBP( double const P )
@@ -2090,6 +2113,21 @@ void TKE::SetLBP( double const P )
     LBP = P;
 }
 
+void TKE::ForceEmptiness() {
+
+    ValveRes->CreatePress( 0 );
+    BrakeRes->CreatePress( 0 );
+    CntrlRes->CreatePress( 0 );
+    ImplsRes->CreatePress( 0 );
+    Brak2Res->CreatePress( 0 );
+
+    ValveRes->Act();
+    BrakeRes->Act();
+    CntrlRes->Act();
+    ImplsRes->Act();
+    Brak2Res->Act();
+}
+
 //---KRANY---
 
 double TDriverHandle::GetPF(double const i_bcp, double PP, double HP, double dt, double ep)
diff --git a/McZapkie/hamulce.h b/McZapkie/hamulce.h
index b23c6c06..805d53d3 100644
--- a/McZapkie/hamulce.h
+++ b/McZapkie/hamulce.h
@@ -260,6 +260,7 @@ class TESt : public TBrake {
 		void CheckReleaser(double dt); //odluzniacz
 		double CVs(double BP);      //napelniacz sterujacego
 		double BVs(double BCP);     //napelniacz pomocniczego
+        void ForceEmptiness() /*override*/; // wymuszenie bycia pustym
 
 		inline TESt(double i_mbp, double i_bcr, double i_bcd, double i_brc, int i_bcn, int i_BD, int i_mat, int i_ba, int i_nbpa) :
              TBrake(       i_mbp,        i_bcr,        i_bcd,        i_brc,     i_bcn,     i_BD,     i_mat,     i_ba,     i_nbpa)
@@ -410,6 +411,7 @@ public:
     void CheckState( double const BCP, double &dV1 );
     double CVs( double const BP );
     double BVs( double const BCP );
+    void ForceEmptiness() /*override*/; // wymuszenie bycia pustym
 
 		inline TCV1(double i_mbp, double i_bcr, double i_bcd, double i_brc, int i_bcn, int i_BD, int i_mat, int i_ba, int i_nbpa) :
              TBrake(       i_mbp,        i_bcr,        i_bcd,        i_brc,     i_bcn,     i_BD,     i_mat,     i_ba,     i_nbpa)
@@ -482,6 +484,7 @@ class TKE : public TBrake { //Knorr Einheitsbauart — jeden do wszystkiego
         void PLC( double const mass );  //wspolczynnik cisnienia przystawki wazacej
         void SetLP( double const TM, double const LM, double const TBP );  //parametry przystawki wazacej
         void SetLBP( double const P );   //cisnienie z hamulca pomocniczego
+        void ForceEmptiness() /*override*/; // wymuszenie bycia pustym
 
 		inline TKE(double i_mbp, double i_bcr, double i_bcd, double i_brc, int i_bcn, int i_BD, int i_mat, int i_ba, int i_nbpa) :
             TBrake(       i_mbp,        i_bcr,        i_bcd,        i_brc,     i_bcn,     i_BD,     i_mat,     i_ba,     i_nbpa)