diff --git a/Aircraft-yasim/j3cub.xml b/Aircraft-yasim/j3cub.xml
index 6b82ff189..b96d28624 100644
--- a/Aircraft-yasim/j3cub.xml
+++ b/Aircraft-yasim/j3cub.xml
@@ -41,6 +41,7 @@ since it is what the weight-and-balance site above uses.
 <cruise speed="64" alt="0">
   <control-setting axis="/controls/throttle[0]" value="0.75"/>
   <control-setting axis="/controls/mixture[0]" value="0.75"/>
+  <control-setting axis="/controls/elevator" value="0.1"/>
 </cruise>
 
 <!-- pilot's eyepoint -->
@@ -73,17 +74,17 @@ since it is what the weight-and-balance site above uses.
 <hstab x="-4.87" y="0.05" z="-0.42" taper="0.8" effectiveness="1.24"
        length="1.49" chord="1.13" sweep="0">
   <stall aoa="16" width="4" peak="1.5"/>
-  <flap0 start="0" end="1" lift="1.4" drag="1.2"/>
+  <flap0 start="0" end="1" lift="1.5" drag="1.2"/>
   <control-input axis="/controls/elevator" control="FLAP0"/>
   <control-input axis="/controls/elevator-trim" control="FLAP0"/>
   <control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>
 </hstab>
 
 <!-- rudder has to be able to counteract aileron drag -->
-<vstab x="-4.87" y="0" z="-0.65" taper="0.38" effectiveness="1.24"
-       length="1.31" chord="1.37" sweep="0">
+<vstab x="-4.87" y="0" z="-0.65" taper="0.38" effectiveness="2.0"
+       length="1.31" chord="1.37" sweep="0" incidence="1.5">
   <stall aoa="16" width="4" peak="1.5"/>
-  <flap0 start="0" end="1" lift="1.7" drag="1.2" effectiveness="1.5"/>
+  <flap0 start="0" end="1" lift="2.0" drag="1.2"/>
   <control-input axis="/controls/rudder" control="FLAP0" invert="true"/>
   <control-input axis="/controls/rudder-trim" control="FLAP0" invert="true"/>
   <control-output control="FLAP0" prop="/surface-positions/rudder-pos-norm"