Quickheads

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In this video I am starting to remove some of the damaged foam that was eaten away by some unknown chemical.  I suspect that the spiderweb effect created between the plies of glass was caused by fuel leaking into areas it didn't belong.  However, what ever it was, it doesn't change the fact that I'll need to replace all of the damaged pieces.

My initial thought was that I could squeeze some micro slurry into the void, but after my first attempt, it became clear that this was NOT the way to proceed.  At any rate, I am starting to pullout the foam near the top of the firewall here.  My theory is that I can create a channel for the new foam to recess into.  If all goes well, the channel will serve to hold the foam in place while a good heaping helping of micro slurry cures.

After that, I removed the canopy lip, in an effort to get at the foam that lay ruined just in front of the canopy.  My trusty jig saw made quick work of that.  I'm keeping my fingers crossed that the canopy that I spent so long building will actually fit back on the airframe when I'm all finished with the foam repairs.  So wish me luck.  As always I invite your feedback below, or in the forums!

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Comments (2)

• |Y-m-d H:i:s Sam  - Splicing in your repair
  At this point, from a structural strength point of view, it might be better to also remove
  the aft facing lip on the firewall. Just cut it off now and make your upper fuselage
  repair as you are intending. Then do the BID tapes, per plans, to tie the firewall to the
  upper shell. Remember, the thrust of the engine keeps trying to pull the firewall off of
  the rest of the plane and hard landings do the same.

• |Y-m-d H:i:s Daniel Yager  - Thanks Sam. . .
  Actually, I did just that. If you look at the series of pictures in the "spiderweb
  effect" link above, you can see that I cutt the top layer of glass almost all the way
  up to the firewall. I fully intend to reinforce that area. It makes me a little nervous
  too. I'll probably do the BID scedule from the plans plus one just to be sure. :)
  
  
  
  BTW LAST-A foam doesn't bend very well! I ended up breaking two very large pieces of the
  stuff before I was all through! Dang it!
  
  
  
  Thanks again,
  
  -Dan
  
  www.quickheads.com

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