void SetupWaterSlider()
 {
     _MWS = vessel.rootPart.GetComponent<ModuleWaterSlider>();
     if (Equals(_MWS, null)) //add if not... sets some defaults.
     {
         _MWS = vessel.rootPart.gameObject.AddComponent<ModuleWaterSlider>();
          //vessel.rootPart.GetComponent<ModuleWaterSlider>();
         _MWS.StartUp();
     }
 }