- Joined
- May 6, 2014
- Messages
- 220
You proabably have a tachometer and might not even know it! I found a cool free app for my iPhone called Stobelight by Motionics (I’m not associated with the app). The app allows you to set a strobe frequency on your flash. You simply tweak the Hz/RPM until the progression of a mark on your shaft stops and you have your shaft RPM. It works pretty good. With it I realized my motor pulley on my lathe was too big, resulting in speeds that were higher than spec (SB 9C). I got a new pulley and the spindle speeds at all my belt combinations are good now.