<?xml version="1.0"?>
<FG_NOZZLE NAME="X-15 XLR-99 Nozzle">
  <!--
    PE      = Nozzle exit pressure, psf.
    EXPR    = Nozzle expansion ratio, Ae/At, sqft.
    NZL_EFF = Nozzle efficiency, 0.0 - 1.0
    DIAM    = Nozzle diameter, ft.
  -->
  PE      10.0 <!-- a guess -->
  EXPR    47.5
  NZL_EFF  0.67
  DIAM     5.0
</FG_NOZZLE>