Don't default to exactly zero RPM if the RPM property isn't there.

The engine model doesn't like that.

diff --git a/src/FDM/YASim/FGFDM.cpp b/src/FDM/YASim/FGFDM.cpp
index c339957505b7516acf010c8dffeacdd84a2428a0..01e707772b87b214da16ce42a49aa9f81802b108 100644 (file)
--- a/src/FDM/YASim/FGFDM.cpp
+++ b/src/FDM/YASim/FGFDM.cpp
@@ -341,7 +341,7 @@ void FGFDM::getExternalInput(float dt)
        if(t->getPropEngine()) {
             PropEngine* p = t->getPropEngine();
             sprintf(buf, "%s/rpm", er->prefix);
-            p->setOmega(fgGetFloat(buf) * RPM2RAD);
+            p->setOmega(fgGetFloat(buf, 500) * RPM2RAD);
         }
     }
 }