dgjessing
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- Feb 16, 2010
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Nothing to do with model engines, but I thought maybe I could get some good advice here.
I've got a really nice old Waterford cast iron wood stove (a "Reginald 101"). Used it a lot in the past, haven't for a few years, but want to again. The only problem I had with it in the past is that the air regulator won't close tightly. Close it all the way and it's just banked; you can't actually make it go out completely. I've had a look at the parts involved tonight and the issue is that there is a bit of a gap built into the rotating part at the ends of the two air slots. Closed, you've still got four holes about 1/16" x 1 1/4" left open.
Geeze... pictures would be nice, eh?... Well anyway, what needs to happen is that some metal needs to be built up either by welding or brazing in these four places radiating from the center, then machined down flush with the surrounding cast iron.
My concern is warping. It's about a 6 1/2" dia. cast iron disk, perhaps 1/4" thick in most areas. I was thinking about putting it on an electric hot plate, getting it probably *near* red-hot, then brazing in little strips of steel with additional localized heat from an oxy-acetylene torch. Do all four pieces at the same time, then cool it slowly and true everything up in the lathe. Does that sound like it would work OK?
I've got a really nice old Waterford cast iron wood stove (a "Reginald 101"). Used it a lot in the past, haven't for a few years, but want to again. The only problem I had with it in the past is that the air regulator won't close tightly. Close it all the way and it's just banked; you can't actually make it go out completely. I've had a look at the parts involved tonight and the issue is that there is a bit of a gap built into the rotating part at the ends of the two air slots. Closed, you've still got four holes about 1/16" x 1 1/4" left open.
Geeze... pictures would be nice, eh?... Well anyway, what needs to happen is that some metal needs to be built up either by welding or brazing in these four places radiating from the center, then machined down flush with the surrounding cast iron.
My concern is warping. It's about a 6 1/2" dia. cast iron disk, perhaps 1/4" thick in most areas. I was thinking about putting it on an electric hot plate, getting it probably *near* red-hot, then brazing in little strips of steel with additional localized heat from an oxy-acetylene torch. Do all four pieces at the same time, then cool it slowly and true everything up in the lathe. Does that sound like it would work OK?