X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FFDM%2FUIUCModel%2Fuiuc_engine.cpp;h=453b4e37fa71388ce440853844ce39510ab6825f;hb=70b4f38ebccbafea664ed2310eaf990bd2b9edd8;hp=3bf5c9c993e945113044fa3c47d2634c81874adf;hpb=7289eaa8baafac56a3e32dedd5b77d3534d61c4a;p=flightgear.git

diff --git a/src/FDM/UIUCModel/uiuc_engine.cpp b/src/FDM/UIUCModel/uiuc_engine.cpp
index 3bf5c9c99..453b4e37f 100644
--- a/src/FDM/UIUCModel/uiuc_engine.cpp
+++ b/src/FDM/UIUCModel/uiuc_engine.cpp
@@ -65,16 +65,13 @@
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- USA or view http://www.gnu.org/copyleft/gpl.html.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 **********************************************************************/
 #include <simgear/compiler.h>
 
 #include "uiuc_engine.h"
 
-SG_USING_STD(cerr);
-
 void uiuc_engine() 
 {
   stack command_list;
@@ -122,6 +119,11 @@ void uiuc_engine()
         case simpleSingle_flag:
           {
             F_X_engine = Throttle[3] * simpleSingleMaxThrust;
+	    F_Y_engine = 0.0;
+	    F_Z_engine = 0.0;
+	    M_l_engine = 0.0;
+	    M_m_engine = 0.0;
+	    M_n_engine = 0.0;
             break;
           }
         case simpleSingleModel_flag:
@@ -129,6 +131,11 @@ void uiuc_engine()
 	    /* simple model based on Hepperle's equation
 	     * exponent dtdvvt was computed in uiuc_menu.cpp */
 	    F_X_engine = Throttle[3] * t_v0 * (1 - pow((V_rel_wind/v_t0),dtdvvt));
+	    F_Y_engine = 0.0;
+	    F_Z_engine = 0.0;
+	    M_l_engine = 0.0;
+	    M_m_engine = 0.0;
+	    M_n_engine = 0.0;
 	    if (b_slipstreamEffects) {
 	      tc = F_X_engine/(Dynamic_pressure * LS_PI * propDia * propDia / 4);
 	      w_induced = 0.5 *  V_rel_wind * (-1 + pow((1+tc),.5));