Quote Originally Posted by jennie285 View Post
Good stuff, I am wondering why ours doesn't hum, and will probably regret saying it didn't after sleeping in the van for 4 days while at Nats, and finding it does...Rodney had the dash out last weekend, and put a little lug on the clock to change the time as all that remained on it was the post which was difficult to get hold of to turn...and yes the way he started the clock back up was to tap it, and turn the hands around, it is still going thankfully.....
I think some hum louder than others possibly because one of the diodes or capacitors is lightly touching the tuning fork. One of these ones was making a heap of noise and that was why.
The tuning fork makes a high pitched note just like a....... tuning fork! And you really have to put your ear up to the clock to hear it.

The clock in my WB hums like a champion though!