They are awful quality taken with a cell phone, so bear with me, the sound is bad and you have to turn the vol up a good bit, but listen to the motor sound, you will hear a clicking noise, and the last vid in the dark you can hear it pretty well only in the last 2 seconds when the motor is coming down.
http://media.putfile.com/click-2
http://media.putfile.com/clicking-43
http://media.putfile.com/night
http://media.putfile.com/click-2
http://media.putfile.com/clicking-43
http://media.putfile.com/night
