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DOVETAIL DILEMMA

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Blog entry by POPLARFOREST posted 04-21-2008 03:14 AM 793 reads 0 times favorited 5 comments Add to Favorites Watch

SO I WAS FINISHING UP ON MY WORKBENCH AND RAN INTO A SNAG. I WAS FITTING A DOVTAIL WHEN IT STARTED TO SPLIT UNDERNIETH MY SECOND TAIL. SO I DONT KNOW WHAT I SHOULD DO. I AN WORRIED ABOUT THE CRACK NOW. IF I SHAVE DOWN THE PINS IT WILL FIT BETTER BUT WHAT SHOULD I DO ABOUT THE CRACK? YOU CANT SEE THE CRACK BUT I AM WORRIED THAT IT MIGHT EFFECT THE STENGTH OF THE APRON. ANYONE HAVE AN IDEA OF WHAT I SHOULD DO?



5 comments so far

View Alin Dobra's profile

Alin Dobra

351 posts in 3349 days


#1 posted 04-21-2008 03:31 AM

Open the crack, put some glue and clamp. Glue is stronger than the wood and you are gluing long to long grain. This happens to me every now and then and the glue always works. If you clamp it well and sand/scrape it afterwards, it will be very hard to see the glue line.

In terms of strength, these joints are so strong, you would have to stress it with thousands of pounds to break it, even with the fix.

Alin

-- -- Alin Dobra, Gainesville, Florida

View brianinpa's profile

brianinpa

1812 posts in 3184 days


#2 posted 04-21-2008 03:44 AM

To ensure that the glue gets into the crack without opening the crack too far, run a bead of glue over the craft and then use your shop vac to suck the glue into every part of the crack. Put the hose on the opposite side of the bead of glue. You will need to adjust the distance from the vacuum hose and the wood to make sure you do not suck all the glue through the crack. When you have the glue in the crack clamp it up like Alin recommended.

-- Brian, Lebanon PA, If you aren’t having fun doing it, find something else to do.

View Eric's profile

Eric

875 posts in 3245 days


#3 posted 04-21-2008 03:49 AM

If I’m not wrong (correct me if I am), even if that crack totally splits and the piece comes off, you can just glue it straight back on and it should be good as gold.

-- Eric at https://adventuresinwoodworking.wordpress.com/

View Todd A. Clippinger's profile

Todd A. Clippinger

8901 posts in 3561 days


#4 posted 04-21-2008 04:24 AM

I’m with Alan.

You will have to gently open the crack a little to get some in there.

-- Todd A. Clippinger, Montana, http://americancraftsmanworkshop.com

View Betsy's profile

Betsy

3338 posts in 3357 days


#5 posted 04-21-2008 04:43 AM

OK – this may sound crazy—- but I saw it on Finewoodworking. To fix a crack the guy showed using a candy wrapper—one of the more substantials ones—- he put glue on it and slid it into the crack. Because the wrapper is both thin and strong, it worked well. So maybe you can try that as opposed to opening up the crack further to get glue into it.

-- "Our past judges our present." JFK - 1962; American Heritage Magazine

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