I visited the Aero 2018 in Friedrichshafen where I took some images of the Sonaca 200, which is the certified version of the Sling 2 with some improvements to have a MTOW of 750 kg.
Continue reading “Sonaca 200”
While preparing the right wing spar for priming I noticed 2 damages, quite deep, they are located on the leading edge side of the spar (fuel tank side).
It looks like a sharp object touched the spar, I’m sure this is not happened in my shop.
Continue reading “Right wing spar damage :-(“
The epoxy primer was dry so could rivet the spar extension back on.
Continue reading “Right main spar extension / Ardrox AV30”
Both spars had some issues that needed to be fixed. I started with the right wing spar. After those fixes some extra corrosion protection was needed, therefore I primed the complete wing spar.
Continue reading “Right wing main spar fixes and prime”
I understand that rib 12 becomes curved when the factory bends the rib but I didn’t like it because it puts too much tension on the skin. I’ve asked TAF and other Sling 2 builders (the Sling 4 doesn’t has this rib), they said it’s no problem. Yet I looked for a solution.
Continue reading “Straighten rib 12 (trial 1)”
Although the bend of the support angles looked good I was afraid that the banging with the hammer causes cracks in the future. So I came up with a better idea: a mold in the vise and no banging with a hammer.
Continue reading “Rib support angle bending (trial 2 = better solution)”