DonFromTX
Well Known Member
I had heard horror stories of others drilling the holes in the stainless flaperon counterbalance tube. I decided to do it my way, and it worked out so well I thought I would share it. Harbor Freight Aviation Department has a cute little "automatic punch" for only $4.99 that makes it so easy. Go here to look at it: http://www.harborfreight.com/spring-loaded-center-punch-621.html
I put the punch in the center of the match drill hole location, snap it a couple of times, and a #40 drill centers in the punch mark and drills exactly where the punch was. I then drilled it to #30 size. Easy drilling with my Sioux air drill.
I put the punch in the center of the match drill hole location, snap it a couple of times, and a #40 drill centers in the punch mark and drills exactly where the punch was. I then drilled it to #30 size. Easy drilling with my Sioux air drill.