Flight Data Systems T-30 Tach ??
 

Does anyone have a Pirep on this tach with Pmags ? I have tried MGL RV1 and EICommander and both were unstable in the last digit at cruise and the MGL wont read below about 1000 RPM. I will buy a T30 tomorrow if it is stable. Just a thought, perhaps the gear lash in Pmags, documented by Bill R, is the culprit and rock solid readings are not achievable ?

I like mine
 

Way better than my previous set up w transducer and steam gauge which fluctuated sometimes wildly. Still fluctuates a little but I thinks it?s normal 20-50 rpms. I have a pmag and a Slick install was easy. Good value too for the $160 or so.

Works for me
 

Have it installed with 2 pmags....per instructions.