Hi Rod,
I got the background and other spectrums, etc. and will check them out. Things are hopping around here and I have to look at these kind of things "off the clock" as it is so I'll try to get back to you Thursday.
Whoa son! Hey, ignore some of that last post from DiamondTec. It's my fault, I was answering generic questions from another cubicle and didn't know someone here was going to post a reply (we all have access to this site with the same login name).
I read the post and found some errors (duh?)...
Got the spectrum shot in the mail today! More information will help to find a reason for this frequency although as mentioned by Franko slot rate is possible. Let's get some details and think this through...
So far we have an AC motor running at a steady state of 1480 Rpm (50hz power) with no...