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Leg Vise with Yost Screw

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Project by PlanBWoodworks posted 01-07-2019 01:10 AM 2701 views 3 times favorited 9 comments Add to Favorites Watch

I have wanted to add a leg vise to my bench for a long time. I received a Yost 18” vise screw as a gift for Christmas, and today I was able to get it installed. I have a Roubo build coming up, and figured if I could install a functional leg vise on an existing bench, then including it in the build process should be at least a little easier.

I cut down some 2×12s to 6” wide to fit on my jointer. After jointing and planing, I used my biscuit joiner and glued them back up. I laminated two 1 1/4” pieces at 10” wide. I ended up with a final width of 8 3/4” that tapers to 6” at the bottom. I also chamfered the top and bottom faces. I sanded to 220 grit and finished with boiled linseed oil

My bench legs aren’t flush with the top so I planed a 4” wide piece of pine to flush everything up. Then, I used a corded hammer drill and Forstner bit to bore the hole in the leg to accommodate the vise screw. I bored the screw hole in the chop with my drill press.

I cut a large dowel to serve as the crank for the vise. I also drilled holes in the screw so that the dowel is stationary and doesn’t slide back and forth.

As I am starting my new bench build in the next month, I have been looking into the usual accessories. The Benchcrafted stuff is incredible. I ordered their plans for the Split Top Roubo, but I am struggling with the price associated with their hardware. I have absolutely no doubt regarding the quality of their Hardware, but am finding it difficult to convince myself to drop $700 on vises.

In the end, I am pleased with this vise screw, and know that it will only be better when installed as part of the build. I was impressed enough with the quality of the screw that I decided to order the Yost 17” end vise. I will report on that when I install it on my new bench.

Thanks for looking!

-- Why can’t I ever find my pencil???





9 comments so far

View swirt's profile

swirt

4075 posts in 3427 days


#1 posted 01-07-2019 02:29 AM

NIce leg vise. I like the racing stripes of the quarter sawn SYP.

-- Galootish log blog, http://www.timberframe-tools.com

View Smitty_Cabinetshop's profile

Smitty_Cabinetshop

16173 posts in 3074 days


#2 posted 01-07-2019 04:22 AM

Nice leg vise, but no parallel guide?

-- Don't anthropomorphize your handplanes. They hate it when you do that. -- OldTools Archive --

View Woodbridge's profile

Woodbridge

3690 posts in 2873 days


#3 posted 01-07-2019 01:35 PM

I’m in the process of building a roubo bench. Check out the face and tale vices built by Shipwright. They use wedges. I have seen them first hand and they work great and cost n a few bucks to make.

-- Peter, Woodbridge, Ontario

View PlanBWoodworks's profile

PlanBWoodworks

168 posts in 937 days


#4 posted 01-07-2019 03:42 PM



Nice leg vise, but no parallel guide?

- Smitty_Cabinetshop

Smitty, I am going to include the standard through leg guide on my upcoming bench build.

-- Why can’t I ever find my pencil???

View muesli's profile

muesli

447 posts in 1964 days


#5 posted 01-07-2019 03:45 PM

Very nice legvise!
Youy don’t need a parallel guide. Instead, have a look on Youtube. Hay Bates uses a wedge on the bottom and cut out a coresponding noth at the bottom of tghe vise. A very simmple and effective system to prevent racking!

-- Uwe from Germany.

View Smitty_Cabinetshop's profile

Smitty_Cabinetshop

16173 posts in 3074 days


#6 posted 01-07-2019 06:29 PM

muesli, a parallel guide doesn’t prevent racking. Not that racking is a huge issue on leg vises. It’s to keep the jaws parallel with the edge of the bench top. Maybe you’d call that ‘vertical racking,’ and that’s why the need for a wedge?

Anyway, I’m amused at the numbers of ways there are to get around simply setting a pin at the base of a leg vise. It’s so easy, even a cave man can do it. But there’s criss crosses, wedges, chain drives, etc. (all at their own $ figure) out there to eliminate the simple requirement to pull and re-insert a pin. It’s not even needed that often at my bench.

-- Don't anthropomorphize your handplanes. They hate it when you do that. -- OldTools Archive --

View Chiaroscuro's profile

Chiaroscuro

109 posts in 1230 days


#7 posted 01-08-2019 07:22 AM

I like this a lot… still trying to figure out how to thread a 2.5 – 3 inch wood screw (and tap a leg) without spending $2000 on a kit. I want to make a leg vise when I get around to my Roubo bench. I have a Moxon vise I built with 1 inch wooden screws but I want something more substantial. I may give up and do what you did…

-- Todd

View NormG's profile

NormG

6439 posts in 3459 days


#8 posted 01-08-2019 07:39 PM

Well, you did a good job in the vice, well done

-- Norman - I never never make a mistake, I just change the design.

View wallkicker's profile

wallkicker

121 posts in 3610 days


#9 posted 01-09-2019 11:19 AM

Nice job and thanks for sharing the information.

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