Global X U.S. Cash Flow Kings 100 ETF
Trimable impeller device and system

Abstract:

An impeller includes a hub and a plurality of blades. Each blade extends out from the hub. The impeller has an original diameter defined by respective tips of the plurality of blades. Each blade includes a central axis, a leading edge, a trailing edge, an original profile, and a plurality of trim profiles. The original profile has an outside portion and a trailing portion. The outside portion has an angle within a range of about 40.degree. to about 90.degree. from the central axis and the trailing portion having an angle within a range of about 10.degree. to about 50.degree. from the central axis. A first selected trim profile of the plurality of trim profiles extends along a first line parallel to the outside portion and a second line parallel to the trailing portion.