Loose Tenon Mortising Jig #1: Video

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Blog entry by Sawdustonmyshoulder posted 03-15-2010 02:51 AM 10710 reads 36 times favorited 19 comments Add to Favorites Watch
no previous part Part 1 of Loose Tenon Mortising Jig series Part 2: SketchUp Model Drawn »

This is a video on how to set up and use the Loose Tenon and Mortise Jig I developed over the past few weeks.

It is in three pieces.

Part One

Part Two

Part Three

I made two project entries: First One - pre-tested and the Second One - post-tested

-- Makin' Sawdust!!!

19 comments so far

View rbterhune's profile


176 posts in 2689 days

#1 posted 03-15-2010 03:44 AM

Great stuff, great jig. I’d like to make a jig similar to that at some point. I’d love to see some more detail about the jig itself.

View rbterhune's profile


176 posts in 2689 days

#2 posted 03-15-2010 03:44 AM

Never mind…missed the project posts

View dannymac's profile


144 posts in 2484 days

#3 posted 03-15-2010 05:43 AM

the only thing i could say is THANK YOU

-- dannymac

View loupitou06's profile


121 posts in 2794 days

#4 posted 03-15-2010 06:11 AM

Excellent Jig and great videos, thanks a lot


-- 100 fois sur le metier remettez votre ouvrage

View Viking's profile


878 posts in 2663 days

#5 posted 03-15-2010 06:32 AM

Thanks for the lesson. I learn something from LJ every day!


-- Rick Gustafson - Lost Creek Ranch - Colorado County, Texas

View Randy Sharp's profile

Randy Sharp

363 posts in 3140 days

#6 posted 03-15-2010 06:50 PM

Inserting the photos for a close-up view on certain parts of the set-up was an exceptional and helpful addition. Great videos!

-- Randy, Tupelo, MS ~ A man who honors his wife will have children who honor their father.

View TNwoodchuck's profile


102 posts in 3243 days

#7 posted 03-15-2010 07:22 PM

Your fixture, your photos, and your videos are top notch. I think I can duplicate from what you have shared already, but I’ll check back for your plans too. Thanks for taking the time to share your obvious expertise. I might add that your voice and very slight accent make you easy to listen to.

-- Chuck near Nashville - “All you are unable to give possesses you” (Andre Gide)

View Viking's profile


878 posts in 2663 days

#8 posted 03-15-2010 11:47 PM

Do you make you own tenons or is there a ready source for them? I have several projects that would most likely use 3/8” and 1/2” and possibly 1/4” tenons.

I am also anxious to see your plans.


-- Rick Gustafson - Lost Creek Ranch - Colorado County, Texas

View Sawdustonmyshoulder's profile


413 posts in 3096 days

#9 posted 03-16-2010 02:05 AM

Viking, I make my own tenon stock out of what some call scrap and some call unassigned wood laying around the shop. It helps that I have a drum sander that sands in 1/128th of inch passes so that I can dial it just at the right fit. I round the corners with either a quarter round router bit or a appropriate sized bullnose router bit in my router table.

If I didn’t have the drum sander, I guess I could use the table saw to cut the tenons close and use sandpaper to fine tune the fit. I find that you don’t want the tenons too tight because the glue will swell the walls of the mortise and also the tenon. I am also going to add a saw kerf to the tenons to allow air to escape the mortise and not blow the glue out.

This ability to make your own tenon is really a great feature of loose tenon joinery because you don’t have to spend money on tenon stock or use expensive project wood to make tenons. Over the life of a project like I am working on now with almost 450 tenons at about 1 1/2 inch in stock length per traditional tenon equals about 25 board feet of lumber. And all of the tenons will be made from the stock that is cut off and headed to the trash.

I have some work to do on the chairs tonight but I will start on the SketchUp plans later in the week. I don’t work in the shop on Wednesdays (that’s the wife’s night with me) so I will do some “inside work” on the plans.

Thanks all for the kind comments!

-- Makin' Sawdust!!!

View david9951's profile


39 posts in 2629 days

#10 posted 03-17-2010 03:56 AM

viking, lee valley sells loose tenon stock

View Skylark53's profile


2632 posts in 2528 days

#11 posted 03-17-2010 06:53 AM

Great job on the jig and the video. Thanks for sharing.

-- Rick, Tennessee, John 3:16

View Viking's profile


878 posts in 2663 days

#12 posted 03-17-2010 12:55 PM

Sawdust / David;

Thanks for the info on tenon stock. Will probably buy some to get started then make my own from the scrap pile.

Good Luck!

-- Rick Gustafson - Lost Creek Ranch - Colorado County, Texas

View bgee's profile


1 post in 3282 days

#13 posted 03-18-2010 03:28 AM

Great video and nice jig

-- Bgee from Dublin, Ohio

View woody57's profile


647 posts in 2895 days

#14 posted 03-22-2010 03:49 AM

that’s a great jig
thanks for posting

-- Emmett, from Georgia

View TopamaxSurvivor's profile


17677 posts in 3144 days

#15 posted 01-14-2011 09:11 AM

nice video, great explanation, thanks.

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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