Talk:Sun and planet gear
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I believe that the role in steam engine is wrong its more a Crank-slider (see Linkage (mechanical)). 80.185.8.102 16:50, 1 January 2006 (UTC)
[edit] Steam locomotive
I am taking this out because the sun and planet motion played no role in the development of the locomotive. The 2 : 1 action would considerably reduce the power at the wheel tread to no avail.--John of Paris 11:41, 25 February 2007 (UTC)