ORIGINAL: leftnut
you can also try heating the epoxy to uncure it. if you deem the tail needs coming off.
a dremel is nice to have
Agree. If your a perfectionist and have the time, how hard could scratching a new stab be? It's only sticks right? get out the saw, cut it off and dremel the remains off. Whip up a new one and mount.
Me? I'd just fly it

if they can notice on the ground, keep it in the air