This isn't what you are asking for, but may be sufficient to your needs. It's pretty obviously not a Skyray. What isn't so obvious is that all the pertinent dimensions are lifted straight off of one. If no one else comes through with something better, between this drawing and your pile-o-flinders you should be able to reconstruct.
The doublers should extend back to about an inch behind the wing spar, more or less. Start to taper them down about an inch in front of the spars.