Been steadily working to complete the wing extension. Haven't had much change to work on my own stuff, just trying to get the 701 stuff done to make room on the workbench for the larger sheets of 0.032 and 0.042 thickness. I need the room to make the long spars for the tail. I'll likely do the wing spar webs at the same time. Likely going to try using a router to make the long cuts, but more on that later.
I reattached the original spar tip to take some measurements to confirm the lengths of the extended spars. It took a lot of figuring because the original builder (as I've stated many times before) wasn't really accurate with measuring his parts).
I temporarily added the first of two new ribs and clecoed the flapperon back in place to aid in measuring for the rear spar extensions for each:
A lot of time doing repairs is fixing the little things one comes across during the rebuild. Ron has told me that this plane was a mess of wrong measurements. As a result, it never flew straight as designed, so the original owner added fixed trim tabs all over the place. These "correct" handling issues by working against aerodynamic forces as the plane flies through the air. We want to start with a properly built aircraft and only add these if they are required. So this one on the flaps has to come off:
With measuring and measuring, checking and measuring again I made the new spar extensions. What took a long time was making the doubler sleeves that connect these to the original spars. Using some scraps of the same thickness, it took me 3 tries to get them exactly the right size. They have to fit on the inside of the spar to ensure the wing an flapperon skins have a continuous level surface to attach to. In the picture below, the inner sleeves are actually on top of the new spar extensions for the sake of the picture. This process will be repeated for the leading edge slats, then everything again on the second wing when we get to it.
That's it for now my dedicated followers. I've got some time set aside this week for the shop (between Christmas shopping and my paying job). Lots of lessons learned this past couple of weeks that will really be helpful when I start working on my stuff.
Stay tuned, next update coming before Christmas (hopefully).
Time until takeoff
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.