sync. with JSBSim v. 2.0

Aircraft/c172p/Engines/eng_io320.xml

@@ -1,12 +1,23 @@
 <?xml version="1.0"?>
-<FG_PISTON NAME="IO320">
-  MINMP             6.5
-  MAXMP            29.92
-  DISPLACEMENT    320.0
-  MAXHP           160.0
-  CYCLES            2.0
-  IDLERPM         550.0
-  MAXTHROTTLE       1.0
-  MINTHROTTLE       0.2
-</FG_PISTON>
+<!--
+  File:     IO320.xml
+  Author:   Aero-Matic v 0.8
 
+  Inputs:
+    name:           IO320
+    type:           piston
+    power:          160.0 hp
+    augmented?      no
+    injected?       no
+-->
+
+<piston_engine name="IO320">
+  <minmp unit="INHG">          6.5 </minmp>
+  <maxmp unit="INHG">         29.92 </maxmp>
+  <displacement unit="IN3"> 320.00 </displacement>
+  <maxhp>        160.00 </maxhp>
+  <cycles>         2.0 </cycles>
+  <idlerpm>      550.0 </idlerpm>
+  <maxthrottle>    1.0 </maxthrottle>
+  <minthrottle>    0.2 </minthrottle>
+</piston_engine>

Aircraft/c172p/Engines/prop_75in2f.xml

@@ -1,11 +1,14 @@
 <?xml version="1.0"?>
-<FG_PROPELLER  NAME="Fixed-Pitch 75-inch Two-Blade Propeller">
-  IXX       1.67
-  DIAMETER  75
-  NUMBLADES  2
-  MINPITCH 22
-  MAXPITCH 22
-  C_THRUST 25 1 
+
+<propeller name="Fixed-Pitch 75-inch Two-Blade Propeller">
+  <ixx> 1.67 </ixx>
+  <diameter unit="IN"> 75.0 </diameter>
+  <numblades> 2 </numblades>
+  <minpitch> 22 </minpitch>
+  <maxpitch> 22 </maxpitch>
+
+  <table name="C_THRUST" type="internal">
+    <tableData>
       0.0   0.068
       0.1   0.068
       0.2   0.067
@@ -31,7 +34,11 @@
       2.2   -0.067
       2.3   -0.068
       5.0   -0.068
-  C_POWER 26 1  
+    </tableData>
+  </table>
+
+  <table name="C_POWER" type = "internal">
+    <tableData>
       0.0   0.0580
       0.1   0.0620
       0.2   0.0600
@@ -58,4 +65,7 @@
       2.3   0.0431
       2.4   0.0424
       5.0   0.0413
-</FG_PROPELLER>
+    </tableData>
+  </table>
+
+</propeller>