Finished drilling z-brackets to spar - 2.5 hours

I really didn't have motivation to work today, but I forced myself out into the garage. Better to get a little bit done than nothing.

I clamped the z-brackets down on the accessible edge and then started to drill the holes to #12 for the AN3 bolt.


 I used a piece of 1 1/2" 1 1/2" oak as a poor mans drill guide. The oak piece has a couple of holes drilled with a #12 hole.
 
 It does a good job of ensuring the hand drill hole is straight and perpendicular to the surface, however it is a tad tricky to work with as you have a tenancy to add some side pressure to the bit with it when drilling like you do in this application. Two holes in the spar web ended up being ever so slightly oblong. (Left wing top holes #6 and #7 bracket) Not as nice as I wanted but it will be ok. From my research on the oblong hole I had with my tie down spacer this one is not a big deal and no cause for alarm. 
(I really hate drilling through thick material with a hand drill though. Nothing beats a good ol' drill press for precise holes).
 After drilling was complete, I then removed all of the z-brackets to blow out the loose chips from drilling. It's good that I did this step as chips do manage to find their way under the bracket.

Another Shipment of Tools and Goodies

I had ordered a few supplies from Aircraft Spruce in anticipation of doing the fuel tanks. Polywipes...At the recommendation of an aircraft mechanic friend, he swore by these. They are like baby wipes but with polygone gel on them. He said they are great for working with proseal as they make cleanup a snap! He says you can grab a wipe with proseal all over your gloves and clean them off, clean tools and keep going.


I also ordered 30 3/32" and 20 1/8" stubby clecos. I just love em for those tight spaces!!!