MGL Avionics User Forum

The second image seem to miss some pulse but I think it was due to my scope being too slow for that time range

https://youtu.be/PoefI6ysTtE Btw I wasnt piloting in the video and it was a windy day Here for the video Connecting the shield to both end (on in the db9 the other at rdac gnd terminal) haven't fix my problem. I will send the picture of the scope trace soon. But I don't have the impression that nois...

Hi I did some test today I checked with a scope the signal At 1000 rpm I have a pretty clean signal (which ill send later) With 500usec pulse at 30hz. At 10v peak Went flying and didnsome test again at more than 2000rpm the tach seem to become eratic(will provide video). I rebooted the efis and rdac...

Hi all I have a rv7a with a mgl glass panel Some time ago I started to have some noise on the rpm, start good on ground but sometime in flight it sometime jump from 2000 to 3000 rpm irradictly. i changed the rpm input to use the plasma spark plug output the issue remain. I have tried to play with th...