View Full Version : Repairing Foam Wing

Critical Mach
03-27-2007, 06:32 AM
Had a flight control problem this morning with my Spitfire, resulting in what you see here. The wing damage was the bulk of it. The rest of the aircraft looks brand new.

What would be the best adhesive type for repairing this break? Also, do you recommend adding a carbon fiber spar channeled in each wing? If so how should I install that? Thanks gents. :(

Wing Repair 1 (http://i134.photobucket.com/albums/q107/xjetpilot/IMG_0176.jpg)

Wing Repair 2 (http://i134.photobucket.com/albums/q107/xjetpilot/IMG_0175.jpg)

03-27-2007, 07:18 AM
I would use epoxy and then maybe run a piece of packing tape over the seam. As far as the spar goes I have had good luck running my soldering iron along a straight edge for the spar to fit in and run a piece of tape over it. I read that taping a spar on and not glueing it in helps absorb shock. Good luck.

03-27-2007, 08:12 AM
YES 5 min epoxy, and your off again :) add some fiberglass packing tape, from wing tip to wing, on top and bottom, makes it nice and strong, and you can paint it with Krylon short cuts spray paint, use in thin coats, its the best for foam, you can also cut out a small area of the leading edge, and trailing edge, and add some bass wood, to both sides, to fill in any imperfections, mix some lite weight spackel with some epoxy 50/50, and fill in, take care, Chellie


Critical Mach
03-28-2007, 01:50 AM
Well, I carved two very precise rectangular channels and used 5 min. epoxy to install twin carbon fiber rectangular wing spars, as well as rejoin the wing halves.
Once tomorrow rolls around I'll begin priming and repainting the matching Spitfire colors onto the wing. Overall, it added a hair more weight, not much, and I'll need to recheck CG, but I think the repair came out good for my first attempt at working with these materials.
I'm not sure if I will tape over the spars (they're below the skin surface), or fill them in.

03-29-2007, 12:10 AM
Try scotch clear packing tape on the bottom, and a small strip on the top.

04-02-2007, 01:46 AM
Try clear laminate from staples or the ilk. I am going to do a short post on it once I get some pics, by it works well. Cheap, lite and strong it's like coverlite with it's own glue. It even irons on well on foam at low heat. I punched in my "Frankin'stang" (PZ P-51 made from 5 or 6 diffrent crashed planes) yesterday, my first plane with this covering. Took the top 3 foot of a dead tree clean off! It's messed up, but more from the fall than the impact. The foam crumpled, but the laminate really made it a lot stronger. Really easy to boot.

Critical Mach
04-02-2007, 03:37 AM
I'll look forward to seeing a writeup on that K. Sounds like a good covering. :)

05-21-2007, 07:55 PM
Any progress? how's it fly with the repaired wing?