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HELP Adjoining Long Grain Surfaces

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Forum topic by AnthonyHbm posted 06-19-2015 01:32 PM 624 views 0 times favorited 8 replies Add to Favorites Watch
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AnthonyHbm

63 posts in 1289 days


06-19-2015 01:32 PM

Topic tags/keywords: long grain joinery

Hello LumberJocks Community,

I am creating Mahogany feet for a Cheval Mirror I’m making. The feet must support 38” legs that are adjoined to the top part of the foot using double mortice and tenon. My question is, how do you recommend adjoining the upper portion with the mortices to the lower part of the foot. The upper part will experience torque in every direction as the mirror is tilted and moved, and I want that force to be positively transferred to the lower foot.

Please note I do not have a Festool Domnio and have no plans to purchase one. Additionally, I would rather not use dowels. What I would like to do is cut a joint for these two long-grain surfaces. I don’t know what would be ideal considering wood movement in these relatively thick pieces.

I am grateful for any assistance you may offer. Thanks in advance.

Anthony

-- Anthonyhbm


8 replies so far

View Ghidrah's profile

Ghidrah

667 posts in 824 days


#1 posted 06-19-2015 02:12 PM

How about 2 counter sinks in the underside of each foot then lagged up into the upper mortised section?

-- I meant to do that!

View hotbyte's profile

hotbyte

913 posts in 2577 days


#2 posted 06-19-2015 02:22 PM

They would be some long tenons on the legs, but what about extend them through the upper portion into the lower.

Also, since both are long grain running same direction and same wood species, will movement really be an issue? I would think you can make a good glue joint between them.

And, you could do a loose tenon between them without a domino – router, chisel, etc.

View a1Jim's profile

a1Jim

115671 posts in 3179 days


#3 posted 06-19-2015 02:30 PM

You should be fine by just gluing them together,you only need to be concerned when you have a cross grain situwation.

-- http://artisticwoodstudio.com Custom furniture

View JayT's profile

JayT

5191 posts in 1813 days


#4 posted 06-19-2015 02:43 PM

I was thinking the same as Jim. The glue bond is stronger than the wood anyways, so why do you need to cut a joint?

-- In matters of style, swim with the current; in matters of principle, stand like a rock. Thomas Jefferson

View jerryminer's profile

jerryminer

653 posts in 1043 days


#5 posted 06-19-2015 04:09 PM

Jim said it. Long-grain-to-long grain. No need for joinery. You’ll create essentially a solid, single block by gluing these parts together.

-- Jerry, making sawdust professionally since 1976

View AnthonyHbm's profile

AnthonyHbm

63 posts in 1289 days


#6 posted 06-19-2015 06:03 PM

Thank you Ghidrah, a1Jim, JayT & jerryminer for your advice. I will simply glue and surfaces together. hotbyte, I appreciate your advice on deep mortices. So far they are only an inch deep because that was the length of my spiral uncut bit, but I intend to chisel them deeper, at least the 2-1/4” height of the upper foot section.

This means I get to purchase morticing chisels. Narex or Lie-Nielsen? Which do you think?

-- Anthonyhbm

View Earlextech's profile

Earlextech

1159 posts in 2292 days


#7 posted 06-19-2015 06:25 PM

Glue.

-- Sam Hamory - The project is never finished until its "Finished"!

View Gerald Thompson's profile

Gerald Thompson

813 posts in 1836 days


#8 posted 06-19-2015 07:12 PM

+Jim.

-- Jerry

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