Rick Carlyle Headers Rumbling Ovation Flange Close Up
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10. The stub actually slips inside the port, a fit that better explains the odd shape of the stub. Specifically the opening has to be narrower at the inside of the radius to clear the upper part of the flange and wider at the outside of the radius to meet the lower part of the flange. The flange’s upper edge interfered with the stub’s tight inner radius so Carlyle filed it to fit. View Related Article
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