Only set reverse for multi-rotor

src/AutoPilotPlugins/Common/RadioComponentController.cc

@@ -786,7 +786,10 @@ void RadioComponentController::_writeCalibration(void)
             paramFact->setRawValue((float)info->rcMax);
         }
 
-        // APM has a backwards interpretation of "reversed" on the Pitch control. So be careful.
+        // For multi-rotor we can determine reverse setting during radio cal. For anything other than multi-rotor, servo installation
+        // may affect channel reversing so we can't automatically determine it.
+        if (_vehicle->multiRotor()) {
+            // APM multi-rotor has a backwards interpretation of "reversed" on the Pitch control. So be careful.
             float reversedParamValue;
             if (_px4Vehicle() || info->function != rcCalFunctionPitch) {
                 reversedParamValue = info->reversed ? -1.0f : 1.0f;
@@ -798,6 +801,7 @@ void RadioComponentController::_writeCalibration(void)
                 paramFact->setRawValue(reversedParamValue);
             }
         }
+    }
     
     // Write function mapping parameters
     for (size_t i=0; i<rcCalFunctionMax; i++) {