"REAL COAL" LOADS

[nw-modeling-list at nwhs.org]

My opinion, as a retired chemical engineer:  the 'real' coal on a  'real' 
open top hopper is exposed to moisture and the sun.  It could easily  convert to 
sulfur-containing acids, which are definitely going to corrode  unprotected 
steel.  Many trips = much corrosion.  But 'real' coal in a  plastic model does 
not see the moisture and elevated temperatures; plus the  plastic is not 
vulnerable to attack by sulfuric acid.  My vote: use real  coal for your loads.
 
Jerome Crosson
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