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You searched for: Date 1960-1970 Remove constraint Date: 1960-1970 Topical Subjects Coal Mines and Mining--Mine Interiors--Machinery. Remove constraint Topical Subjects: Coal Mines and Mining--Mine Interiors--Machinery.
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This mock-up shows the new blade design being tested by the Bureau of Mines. The base of the blade is thicker and there is a strip of titanium carbide at the point of previous severe erosion. If used, please credit Bureau of Mines, U.S. Department of the Interior.During LDC's final 1,100-hour run, this rotor blade (arrow) was undercut by ash flowing  along the rotor past the tips of the stator blades. If used, please credit Bureau of Mines, U.S. Department of the Interior.
This mock-up shows the new blade design being tested by the Bureau of Mines. The base of the blade is thicker and there is a strip of titanium carbide at the point of previous severe erosion. If used, please credit Bureau of Mines, U.S. Department of the Interior.During LDC's final 1,100-hour run, this rotor blade (arrow) was undercut by ash flowing  along the rotor past the tips of the stator blades. If used, please credit Bureau of Mines, U.S. Department of the Interior.