Epicyclic gear ratios
<ul><li><b>Original: </b> <a href="https://en.wikipedia.org/wiki/User:Wapcaplet" class="extiw" title="w:User:Wapcaplet">Wapcaplet</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="w:">English Wikipedia</a></li>
<li><b>Derivative work: </b> <a href="//commons.wikimedia.org/wiki/User:Roke~commonswiki" title="User:Roke~commonswiki">User:Roke</a></li></ul>
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<ul><li>This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Epicyclic_gear_ratios.png" title="File:Epicyclic gear ratios.png">Epicyclic gear ratios.png</a><br></li>
<li><span class="int-own-work" lang="en">Own work</span></li></ul>