From: curt <curt>
Date: Wed, 11 Sep 2002 18:27:26 +0000 (+0000)
Subject: Michael Selig:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=e2313bfb552345ae6146673cb2a008ea652ca7a2;p=flightgear.git

Michael Selig:

A bug lurked into our uiuc code.

There are two changes:
[1] Comment out the chunk of code as shown (compare w/ the old)
[2] Put back in the function call, and in that code change AlphaTail to Alpha.
---

diff --git a/src/FDM/UIUCModel/uiuc_coef_pitch.cpp b/src/FDM/UIUCModel/uiuc_coef_pitch.cpp
index 5a77a84ff..a85d52727 100644
--- a/src/FDM/UIUCModel/uiuc_coef_pitch.cpp
+++ b/src/FDM/UIUCModel/uiuc_coef_pitch.cpp
@@ -233,7 +233,7 @@ void uiuc_coef_pitch()
         case Cmfade_flag:
           {
 	    // compute the induced velocity on the tail to account for tail downwash
-	    gamma_wing = V_rel_wind * Sw * CL / (2.0 * bw);
+	    /* gamma_wing = V_rel_wind * Sw * CL / (2.0 * bw);
 	    w_coef = 0.036;
 	    w_induced  = w_coef * gamma_wing;
 	    downwash_angle = atan(w_induced/V_rel_wind);
@@ -244,8 +244,15 @@ void uiuc_coef_pitch()
                                            Cmfade_nAlphaArray,
                                            Cmfade_nde,
                                            AlphaTail,
+                                           elevator); */
+	    CmfadeI = uiuc_2Dinterpolation(Cmfade_aArray,
+                                           Cmfade_deArray,
+                                           Cmfade_CmArray,
+                                           Cmfade_nAlphaArray,
+                                           Cmfade_nde,
+                                           Alpha,
                                            elevator);
-	    // Cm += CmfadeI;
+		    // Cm += CmfadeI;
 	    if (eta_q_Cmfade_fac)
 	      {
 		Cm += CmfadeI * eta_q_Cmfade_fac;