ORIGINAL: eddieC
Thanx!
You are exactly right: Glue. join, separate, wait, reglue, rejoin. This gives maximum penetration of the glue into the wood. I seem to recall 'double gluing' getting a mention in the manual of a MidwestAerostar 40 I built in the late '80's, I was pleasantly surprised.
Zor's technique is OK because the second glue join/fillet repenetrates the join, <span style="color: #339966">but I'm not sure it gets to the center of the joint, especially on thicker joins or denser material.
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eddieC,
The first applicatiion of glue has already taken care of the contact surfaces being joined.
The second application is to add and shape the extra binding areas as fillets.
I think the pictures I posted not long ago are well illustrating the end results.
I also mentioned in one of my postings that I often wait for penetration and joint the pieces when the glue just begins to thicken. The idea of that is that when the glue is too liquidy it can flow out or be squeezed out of the contact surface. There should be no air pocket or empty space between the contact area.
No matter how well we fit the pieces there is always the possibility of the fit not being absolutely perfect. Any tiny gap where the pieces are in contact should end up being filled with hardened glue .
It just makes sense.
Zor