Tweaked with drag and thrust.

diff --git a/src/FDM/LaRCsim/c172_aero.c b/src/FDM/LaRCsim/c172_aero.c
index d6f390c7650fa732dc48d313240df55ec9bd7014..e2b9287a88e9baac418b4fa544496a19006326f9 100644 (file)
--- a/src/FDM/LaRCsim/c172_aero.c
+++ b/src/FDM/LaRCsim/c172_aero.c
@@ -181,7 +181,8 @@ void aero( SCALAR dt, int Initialize ) {
           CLob=0;
 
 
-          Cdob=0.031;
+          /* original /* /* Cdob=0.031; */
+          Cdob=0.046;
           Cda=0.13;  /*Not used*/
           Cdde=0.06;
 

diff --git a/src/FDM/LaRCsim/c172_engine.c b/src/FDM/LaRCsim/c172_engine.c
index 7f2f820a00bce78e08dd640f4af194114dafc949..a1b1ae83a25596af054e572e4c8acc782af1071c 100644 (file)
--- a/src/FDM/LaRCsim/c172_engine.c
+++ b/src/FDM/LaRCsim/c172_engine.c
@@ -76,7 +76,7 @@ void engine( SCALAR dt, int init ) {
 
     /* F_X_engine = Throttle[3]*813.4/0.2; */  /* original code */
     /* F_Z_engine = Throttle[3]*11.36/0.2; */  /* original code */
-    F_X_engine = Throttle[3]*350/0.83;
+    F_X_engine = Throttle[3]*400/0.83;
     F_Z_engine = Throttle[3]*4.9/0.83;
        M_m_engine = F_X_engine*0.734*cbar;
        /* 0.734 - estimated (WAGged) location of thrust line in the z-axis*/