%%
%% A DANTE-Edition example
%%
%% Example 36-00-76 on page 799.
%%
%% Copyright (C) 2011 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See
http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{375.57637pt}
\setlength\parindent{0pt}
\usepackage{pst-plot}
\definecolor{lightblue}{rgb}{0.9,0.9,1}
\begin{document}
\begin{pspicture}(-1.5,-2.5)(10.5,2.5)
% draw an airfoil
\pscurve[linewidth=0.5pt,linecolor=blue,fillstyle=solid,fillcolor=lightblue]%
(0,0)(0.82,0.1)(2.8,0.345)(5.37,0.55)(7.84,0.582)(8.75,0.507)(9.43,0.36)(9.98,0.1)(10,0)
(9.98,-0.1)(9.43,-0.36)(8.75,-0.507)(7.84,-0.582)(5.37,-0.55)(2.8,-0.345)(0.82,-0.1)(0,0)
\psline[linewidth=1pt, linecolor=black](0.0,0.0)(10.0,0.0)
\psaxes[linewidth=1pt, labels=none, ticks=none]{->}(5,0)(5,0)(-1,2)
% L'
\psline[linewidth=1pt, linecolor=red]{->}(7.5,0.0)(7.5,2.0)
% Weight
\psline[linewidth=1pt, linecolor=red]{->}(5.0,0.0)(5.0,-2.0)
% M'ac
\psarc[linewidth=1pt, linecolor=red]{->>}(7.5,0){0.5cm}{-220}{40}
% e
\psline[linewidth=1pt, linecolor=black]{<->}(5.0,1.0)(7.5,1.0)
% x_ac
\psline[linewidth=1pt, linecolor=black]{<->}(7.5,1.0)(10.0,1.0)
% put c.g. point
\qdisk(5,0){4pt}
% put a.c. point
\qdisk(7.5,0){4pt}
\uput[u](6.125,1.0){$e$}
% \psgrid[gridcolor=lightgray, gridwidth=0.5pt, subgriddiv=1, gridlabels=7pt](0,0)(0,-2.0)(10.0,2.0)
\end{pspicture}
\end{document}
