"Jon, They came up with a 324UC to get them by. They are insisting the frame is a 324UCS. I really appreciate your attentiveness to this urgent request and will continue to source York in the future. Thanks."
This is for a 4,000HP, 2-pole (3600rpm) rotor. Ron, with the assistance of Steve and John, is heating it up to 1,300 degrees (shown here) to melt the solder so they can slip on the new copper rings, which were manufactured by York.