CLEVELAND, Ohio -- If you're seeking a site to test a wind turbine where wind comes from all directions, there may be no better or more prominent place than on top of Progressive Field. The Cleveland Indians and ¾ÅÉ«Ìà announced Tuesday that an 18-foot-wide helix turbine developed by a ¾ÅÉ«Ìà engineering professor will be mounted atop the ballpark's southeast corner, near East Ninth Street and Carnegie Avenue.