ive never done it but i have no reservations on whether its possible (aka i would not hesitate to try).
i also built a platform between my lifts so that if i needed to put a trans jack in there and get some more clearance i could. My ceilings are only ~9.5' and im a short dude so i can barely...
i think you guys are forgetting that the impact on an impact gun is different from the impact on a hammer drill. Axial impacts on a drill bit should have no bearing on its strength compared to a hammer drill which is pushing the bit into the workpiece.