A radial impeller comprising: a hub; a disk affixed to the hub, the disk having a disk plane defined by the disk; and a plurality of blades, each blade being affixed to the disk and each blade including a root secured to the disk and a tip that is distal from the hub in a radial direction, wherein each blade includes: a "C" shaped body portion having a blade 2. length in the radial direction; a planar trailing portion of the "C" shaped body portion secured to the disk and disposed in alignment with a first straight line radiating from a center point of the hub, the first straight line being in alignment with the trailing portion from the root to the tip; a planar upper leading edge of the "C" shaped body portion extending along a second straight line and having the blade length; a planar lower leading edge of the "C" shaped body portion extending along a third straight line and having the blade length and characterized in that each blade includes: an upper horizontal extension defined by an upper planar surface extending along an upper plane parallel to the disk plane, the upper horizontal extension having the blade length and extending along the upper leading edge; and a lower horizontal extension defined by a lower planar surface extending along a lower plane parallel to the disk plane, the lower horizontal extension having the blade length and extending along the lower leading edge. a hub; a disk affixed to the hub, the disk having a disk plane defined by the disk; and a plurality of blades, each blade being affixed to the disk and each blade including a root secured to the disk and a tip that is distal from the hub in a radial direction, wherein each blade includes: a "C" shaped body portion having a blade 2. length in the radial direction; a planar trailing portion of the "C" shaped body portion secured to the disk and disposed in alignment with a first straight line radiating from a center point of the hub, the first straight line being in alignment with the trailing portion from the root to the tip; a planar upper leading edge of the "C" shaped body portion extending along a second straight line and having the blade length; a planar lower leading edge of the "C" shaped body portion extending along a third straight line and having the blade length and characterized in that each blade includes: an upper horizontal extension defined by an upper planar surface extending along an upper plane parallel to the disk plane, the upper horizontal extension having the blade length and extending along the upper leading edge; and a lower horizontal extension defined by a lower planar surface extending along a lower plane parallel to the disk plane, the lower horizontal extension having the blade length and extending along the lower leading edge. a "C" shaped body portion having a blade 2. length in the radial direction; a planar trailing portion of the "C" shaped body portion secured to the disk and disposed in alignment with a first straight line radiating from a center point of the hub, the first straight line being in alignment with the trailing portion from the root to the tip; a planar upper leading edge of the "C" shaped body portion extending along a second straight line and having the blade length; a planar lower leading edge of the "C" shaped body portion extending along a third straight line and having the blade length and characterized in that each blade includes: an upper horizontal extension defined by an upper planar surface extending along an upper plane parallel to the disk plane, the upper horizontal extension having the blade length and extending along the upper leading edge; and a lower horizontal extension defined by a lower planar surface extending along a lower plane parallel to the disk plane, the lower horizontal extension having the blade length and extending along the lower leading edge. an upper horizontal extension defined by an upper planar surface extending along an upper plane parallel to the disk plane, the upper horizontal extension having the blade length and extending along the upper leading edge; and a lower horizontal extension defined by a lower planar surface extending along a lower plane parallel to the disk plane, the lower horizontal extension having the blade length and extending along the lower leading edge.