<?xml version="1.0"?>
<!--
  File:     503.xml
  Author:   Ron Jensen

  Inputs:
    name:           Rotax 503 UL
    type:           piston
    reference:      http://www.heavenboundaviation.com/andyrotax2.htm
-->

<piston_engine name="503">
  <minmp unit="INHG">         11.0 </minmp>
  <maxmp unit="INHG">         28.0 </maxmp>
  <displacement unit="IN3"> 30.31 </displacement>
  <maxhp>        50.00 </maxhp>
  <cycles>         4.0 </cycles> <!-- Really 2, but the 2 stroke model isn't good. -->
  <idlerpm>      700.0 </idlerpm>
  <bore unit="IN"> 2.835 </bore>
  <stroke unit="IN"> 2.40 </stroke>
  <cylinders>        2.0 </cylinders>  
  <maxrpm>      6800.00 </maxrpm> 
  <static-friction  unit="HP"> .5 </static-friction>
  <man-press-lag> 0.1 </man-press-lag>

  <maxthrottle>    1.0 </maxthrottle>
  <minthrottle>    0.1 </minthrottle>
</piston_engine>
