No problem with turning the input shaft- - - -just pad the snout with a piece of soft metal like aluminum or brass shim stock before you attach the drill motor. You're going to need a variable-speed drill motor with a pretty big chuck, as I believe the snout is around 5/8" or so.
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!