A rotor assembly comprising: a disk operative to rotate around a rotational axis, the disk comprising a plurality of disk arms extending in an axial direction therefrom; a plurality of blades affixed to the disk; a rim seal positioned adjacent to the disk; and at least one split lock ring; wherein the rim seal comprises at least one toggle seal and at least one plate seal; wherein each toggle seal comprises: a seal body including a proximal end, a distal end, and a seal body axis extending substantially perpendicular to the rotational axis to define a first axial direction extending from a first side of the seal body axis towards the disk and a second axial direction extending from a second side of the seal body axis away from the disk; a first end seal extending in the first axial direction from the proximal end of the seal body; a second end seal extending in the first axial direction from the distal end of the seal body; a first protruding portion extending in the second axial direction from the proximal end, opposite of the first end seal; a second protruding portion extending in the second axial direction from the distal end, opposite of the second end seal; and at least one aperture disposed in the seal body; wherein each plate seal comprises a plate seal interior side facing towards a said blade and a plate seal exterior side facing away from a said blade, wherein the plate seal interior side is positioned adjacent to at least one of the plurality of blades; wherein one of the plurality of disk arms penetrates a respective aperture and a said split lock ring is positioned between the first protruding portion and a tab of the disk arm; and wherein the first end seal of each toggle seal is configured to operatively engage the disk so as to be operatively in contact with the disk, and the second end seal of each toggle seal is configured to operatively engage a said plate seal so as to be operatively in contact with the plate seal exterior side. a disk operative to rotate around a rotational axis, the disk comprising a plurality of disk arms extending in an axial direction therefrom; a plurality of blades affixed to the disk; a rim seal positioned adjacent to the disk; and at least one split lock ring; a seal body including a proximal end, a distal end, and a seal body axis extending substantially perpendicular to the rotational axis to define a first axial direction extending from a first side of the seal body axis towards the disk and a second axial direction extending from a second side of the seal body axis away from the disk; a first end seal extending in the first axial direction from the proximal end of the seal body; a second end seal extending in the first axial direction from the distal end of the seal body; a first protruding portion extending in the second axial direction from the proximal end, opposite of the first end seal; a second protruding portion extending in the second axial direction from the distal end, opposite of the second end seal; and at least one aperture disposed in the seal body; wherein each plate seal comprises a plate seal interior side facing towards a said blade and a plate seal exterior side facing away from a said blade, wherein the plate seal interior side is positioned adjacent to at least one of the plurality of blades; wherein one of the plurality of disk arms penetrates a respective aperture and a said split lock ring is positioned between the first protruding portion and a tab of the disk arm; and wherein the first end seal of each toggle seal is configured to operatively engage the disk so as to be operatively in contact with the disk, and the second end seal of each toggle seal is configured to operatively engage a said plate seal so as to be operatively in contact with the plate seal exterior side.