A turbine blade damper system comprising: a platform having a leading end, a trailing end, a first circumferential side, a second circumferential side, a radially-outward side, and a radially-inward side, the radially-inward side defining a pocket extending circumferentially inwardly from the first circumferential side, the pocket having a ceiling portion, a first wall portion extending radially inward from the ceiling portion proximate the leading end, a second wall portion extending radially inward from the ceiling portion proximate the trailing end, a first floor portion extending from the first wall portion toward the second wall portion, and a second floor portion extending from the second wall portion toward the first wall portion, the ceiling portion defining a pocket beveled surface extending circumferentially inwardly from the first circumferential side, and the second circumferential side defining a platform sealing surface; and a damper having a leading end, a trailing end, a first circumferential side, a second circumferential side, a body portion, a radially-outward side, a first leg portion extending radially inwardly from the leading end of the body portion, a second leg portion extending radially inwardly from the trailing end of the body portion, the first circumferential side defining a damper sealing surface, the radially-outward side defining a damper beveled surface; the damper beveled surface slidingly engaged with the pocket beveled surface, and the damper movable with respect to the platform between a first position wherein at least a portion of the damper is recessed within the pocket and a second position wherein a lesser portion of the damper is recessed with the pocket and the damper sealing surface is engaged with a platform sealing surface of an adjacent platform; and characterized in that the turbine blade system further comprises first and second flanges (54, 56) that respectively define the first and second floor portions (55, 57), and a first lip extending radially outwardly from the first flange proximate a free end thereof and a second lip extending radially outwardly from the second flange proximate a free end thereof. a platform having a leading end, a trailing end, a first circumferential side, a second circumferential side, a radially-outward side, and a radially-inward side, the radially-inward side defining a pocket extending circumferentially inwardly from the first circumferential side, the pocket having a ceiling portion, a first wall portion extending radially inward from the ceiling portion proximate the leading end, a second wall portion extending radially inward from the ceiling portion proximate the trailing end, a first floor portion extending from the first wall portion toward the second wall portion, and a second floor portion extending from the second wall portion toward the first wall portion, the ceiling portion defining a pocket beveled surface extending circumferentially inwardly from the first circumferential side, and the second circumferential side defining a platform sealing surface; and a damper having a leading end, a trailing end, a first circumferential side, a second circumferential side, a body portion, a radially-outward side, a first leg portion extending radially inwardly from the leading end of the body portion, a second leg portion extending radially inwardly from the trailing end of the body portion, the first circumferential side defining a damper sealing surface, the radially-outward side defining a damper beveled surface; the damper beveled surface slidingly engaged with the pocket beveled surface, and the damper movable with respect to the platform between a first position wherein at least a portion of the damper is recessed within the pocket and a second position wherein a lesser portion of the damper is recessed with the pocket and the damper sealing surface is engaged with a platform sealing surface of an adjacent platform; and characterized in that the turbine blade system further comprises first and second flanges (54, 56) that respectively define the first and second floor portions (55, 57), and a first lip extending radially outwardly from the first flange proximate a free end thereof and a second lip extending radially outwardly from the second flange proximate a free end thereof.