Drill and tap two holes 180 degrees apart with a pretty healthy thread- - - -7/16-20 or 1/2-20. Screw a couple of grade 8 bolts through the holes against the hub and tighten- - - -tap- - - -repeat as necessary. A couple more holes won't hurt the drum any, and it's the simplest, least damaging way I can think of to push a stuck drum off the hub.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!