Units bug.

[flightgear.git] / src / FDM / UIUCModel / uiuc_engine.cpp

diff --git a/src/FDM/UIUCModel/uiuc_engine.cpp b/src/FDM/UIUCModel/uiuc_engine.cpp
index 3bf5c9c993e945113044fa3c47d2634c81874adf..f36b9f85580ab11996afd975ee7138e775c915b2 100644 (file)
--- a/src/FDM/UIUCModel/uiuc_engine.cpp
+++ b/src/FDM/UIUCModel/uiuc_engine.cpp
@@ -122,6 +122,11 @@ 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 +134,11 @@ 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));