Review on Powerful And Efficient AZSSMUK 12V DC Worm Geared Motor With High Torque And 6Mm Female Shaft by Victor Pinckney

I installed this into my virtual pinball cabinet to provide the sound of a geared motor, with no load on it, at 12v. This is a limited duty cycle, occasional use for only a few seconds at a time. It literally smoked tonight after making a nasty grinding noise much louder than it normally made. No obvious damage to the gears in the gear box.