diff --git a/Simulator.cpp b/Simulator.cpp
index dd4c47f..6a14cc5 100644
--- a/Simulator.cpp
+++ b/Simulator.cpp
@@ -44,7 +44,7 @@ using namespace std ;
 
 //----------------------------------------------------------------------------
 static const double MIN_STEP = 1.0 ;
-static const double MAX_STEP = 100.0 ;
+static const double MAX_STEP = 500.0 ;
 static const double MID_STEP = 50.0 ;
 static const double COLL_STEP = 10. ;
 static const double SQ_COEFF_ROT_MOVE = 100. ;