Reply by Planeman40

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Posted on clamping pressure

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1437 posts in 3239 days

#1 posted 09-18-2018 07:48 PM

Yep, what the guys above say – tight enough to squeeze out the excess glue then stop. I went deeply into this back in the early 1960s when I built a homebuilt airplane. Knowing your life is on the line with what you have made makes you sure to do it right. And if you don’t know, educate yourself very well before building. The EAA (Experimental Aircraft Association) puts out handbooks on the various airplane building processes that are very informative. Back in the 1920s when so many airplanes we built of wood, the US government did a lot of study on gluing wood to insure the safety of the public. This information is still and excellent source of information.

And one more thing. Be sure to spread glue on BOTH sides of the wood to be joined and spread it evenly over the entire glued surface if you want maximum strength. Too may of us just run a bead of glue down one side of the joint and stick it together. To see how slap dash this method is, just do this and then pull the pieces apart. you will often see fairly large spots with no glue.

-- Always remember: It is a mathematical certainty that half the people in this country are below average in intelligence!

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