Damage to the glass was not experienced and opticoat offered surface protection even to aluminized surfaces. Be able to hold the mirror with a 1.5 g jerk. Have global stresses less than 100 psi. Have local stresses less than 100 psi. Not scratch the surface of the glass.
Vacuum pump be oil-less.
Remote monitoring gauges. Hg Vacuum pump held at 24 in. Hg at start of lift. Center of pad pulled away from floor at 3440 lbs. Vacuum increased to 26 in.