I recently have had to do some repair /replace work and I have had to do a lot of rivet removal.

I thought I would share a little info on this subject

 Most  of the rivets on Zenith Aircraft are the Avex blind rivets .  A4 or A5 in size

I have found that the A5 are a little easier to remove that the A4s.

 You just want to remove the head and not try to dill it all the way out . Most of the time when you remove the head the reat of the rivet will easilly…

I just got done installing a root fairing on a 750  . I had noticed  some weakness in the sheet metal along the curve on it and also on others 750s and 701s , I have also seen some root fairings with lots of dimples and waves  . A few have developed small cracks from the oil canning of this area.  Thought I would show what I had done on this 750 and can easily be done on other 750s or 701s

I just marked a line down the center of the fairing panel and started about 10mm from the spar .…