<?xml version="1.0"?>
<FG_ROCKET NAME="XLR-99">
  <!--
    SHR      = Specific Heat Ratio, for LOX/Ammonia this is 1.23
    MAX_PC   = Maximum chamber pressure in psf
    PROP_EFF = propulsive efficiency. This is largely a fudge factor.
  -->
  SHR              1.23
  MAX_PC       86556.0
  VARIANCE         0.10
  PROP_EFF         0.67
  MAXTHROTTLE      1.0
  MINTHROTTLE      0.4
  SLFUELFLOWMAX   91.5
  SLOXIFLOWMAX   105.2
</FG_ROCKET>