A hand-drawn picture of a controllable pitch propeller transformed into svg vectorial format.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Controllable_pitch_propeller_schematic.JPG" title="File:Controllable pitch propeller schematic.JPG">Controllable_pitch_propeller_schematic.JPG</a>: <a href="//commons.wikimedia.org/wiki/User:KVDP" class="mw-redirect" title="User:KVDP">KVDP</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:PhoneixS&amp;action=edit&amp;redlink=1" class="new" title="User:PhoneixS (page does not exist)">PhoneixS</a> (<a href="//commons.wikimedia.org/wiki/User_talk:PhoneixS" title="User talk:PhoneixS"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Controllable_pitch_propeller_schematic.JPG" title="File:Controllable pitch propeller schematic.JPG">Controllable_pitch_propeller_schematic.JPG</a></li></ul>