The TracStar is mimicking its name and is off to the races. McElroy Manufacturing Inc. is being challenged in the quest to keep up with the volume of demand for the TracStar No. 28 and No. 412. Since their launch, orders have been pouring in and MMI personnel have been pitching in to handle the magnitude of sales. About ten people from the engineering and tech services departments, as well as sales, have changed hats …