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Second try-
On my IV-P I squared and trued the wing root using some particle board cut out to slip over the spars, sanding the high spots to get a clean edge. Then I fitted the fairing but ended up with some low spots and gaps. I used scrap pieces trimmed from the fairing to span the gaps and fill the hollows as shown. I also added interior layups to thicken and reinforce the overhang. The new edge is then sanded down to match the wing and filled. I keep scrap of all sorts- it's good for making new assemblies, repairs, correcting mistakes, etc. -Bill Wade
-----Original Message----- From: Robert R Pastusek
Sent: Friday, January 18, 2013 10:42 AM
To: lml@lancaironline.net
Subject: [LML] Re: [LNC2] Lancair 360 stub wings
Rob wrote:
Well, I started to attach the first of my stub wings on my Lancair 360 MKII.
I did the left side. After constructing a wing jig, measuring everything several times, I thought I had everything lined up perfectly, but it looks like I was off by about 3/32" in a few places... I attached some pictures.
The trailing edge looks pretty well lined up which I also spent a lot of time on.
I'm thinking this is a small enough gap that I can use micro and build on, but I'd like some expert opinions. The leading edge is the worst of it which was what I spent the most time trying to get lined up.
Most of the top of the wing is lined up, but I have a 1/16" gap in a few spots that I think I can just smooth with micro and go on.
I thought about cutting the stub wing from the main spar and trying to re-attach, but if this isn't that bad, I don't want to mess up anything more if I can smooth it all out with micro.
Rob,
I think micro will fix you up nicely. You can improve the strength of the joint/fill by first filling with micro, then sanding to the contour and shape you want, then laying a single layer of glass or carbon cloth over the area. This adds some weight, but the fibers really strengthen the micro. I did this with the wing to fuselage fairing areas of my IV-P and have been very pleased with the results...no cracks at all after 5+ years.
Bob
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