Well, Saturday has come and gone again, but still making progress on the right wing skeleton. Not a lot to show as much of what I did today is repetive work.
You may recall last week I started adding the flapperon arms to the rear wing ribs, using the same template method I used for the slat supports on the nose ribs. Today I wanted to continue this process and finish the other three for the right wing.
It's at this point that I remember, the first one I did is the only one where the rib flanges face inboard - on the rest or the rear ribs they face outboard. My template for the first won't work on the other three.
No matter, I just used the same process with the template facing the other way. To make the A5 rivet hole layouts consistent, I used a scrap piece of 016 to make a hole template for spacing the rivets the same as the first:
The process works well and things go faster with each one made. The other three came out perfectly:
With everything right size hole drilled, time to take it all apart, debur and scuff with ScotchBrite (I need to get some more!):
Clean with lacquer thinner and prime. I always prime anywhere two metal surfaces are sandwiched together. The main spar ends of the ribs will also be done when final holes are drilled. The flap arms and slat brackets will be done in gray primer as they are outside the surface of the wing skins. Something else I need to get more of - grey primer!
All six rear ribs primed, four with flap arm attach points, two without. Five nose ribs, four with slat attach points, one (closest in picture) with tie down ring bracket attach point. The 6th nose rib will be primed before final assembly. The root ribs will be primed in grey are they can be seen from the cockpit.
Also getting green prime are the nose skin support Ls and lower skin support Ls.
That was today's work, I'm almost ready for wing skins. I have 6 sheets of 020 aluminum on order and expect to pick it up this week or next.
I need to call Zenith on Monday to order some A6 rivets (apparently they are Zenith specific) and call ACS for a A5 strap duplicator tool.
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Husband, father and 911 dispatcher. Long time pilot with a licence that burns a hole in my pocket where my student loan money used to be. First time aircraft builder. Looking to fly my own airplane.