Kozzy Posted July 4, 2016 Share Posted July 4, 2016 At the local ag museum we have a fairly large one that came out of the local iron works shop. I have a question about a modification that was done. Sorry, no photos right now of the actual one. The one we have started out as a complete cone but at some point in time, someone had torched a "slot" down the length that is about 1 inch wide extending top to bottom. Looking at some web photos of similar, I see that some have this kind of slot and some don't. I've attached a photo of a new one that has the equivalent of a slot---a deep groove from top to bottom with a shorter open slot section. So...being an ignorant cuss, I was wondering what purpose a slot serves on one of these and why it would have been worth cutting one in a perfectly good cast iron cone at some time in the past. Clearance for rivets if it's a non welded ring being "sized" over the cone? A place to jam the end of a bar so that you can use the cone as a hot forming mandrel for rings? Something else? Quote Link to comment Share on other sites More sharing options...
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