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My new Roubo #19: Making the sliding board jack with hand tools only

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Blog entry by JasonD posted 03-05-2011 09:42 AM 2789 reads 3 times favorited 10 comments Add to Favorites Watch
« Part 18: Completed shelf and sliding board jack track Part 19 of My new Roubo series no next part

I got some time in the shop tonight and was able to get the sliding board jack made and installed.

To make the V-groove at the bottom, I first made two cuts down the center with a rip panel saw. Then I cut a 45-deg kerf from the front / back that met those first two cuts in the middle. Finally, I chopped out the middle section and pared it flat with a 1/4” chisel and cleaned up the slopes with a paring chisel.

Here’s a picture after the first 45-deg cut:

After the second 45-deg cut:

Test fitting the board jack before shaping it and boring the rows of offset holes:

I don’t have a bowsaw yet. So, to cut the curves on the sides, I first made a series of cuts down the side with a crosscut panel saw that stopped at different points in the arc. After the majority of the waste was cut out, I cleaned it up with a paring chisel (bevel-down), followed by a spokeshave, and finally a card scraper.

Here’s the completed board jack installed on it’s track:



10 comments so far

View davidroberts's profile

davidroberts

1002 posts in 2142 days


#1 posted 03-05-2011 05:26 PM

Finally a picture with wood chips and shavings all over the floor. Oh, and a nice bench too!

-- God is great, wood is good. Let us thank Him for wood......and old hand tools.

View RGtools's profile

RGtools

3302 posts in 1311 days


#2 posted 03-05-2011 06:39 PM

Nice looking bench. What does the top part of the board jack fit into? I assume ther is some play there for installation.

-- Make furniture that lasts as long as the tree - Ryan

View JasonD's profile

JasonD

180 posts in 1518 days


#3 posted 03-05-2011 06:39 PM

Thanks, Dave! lol

Yeah, I kept sweeping the floor before I’d take new pictures for my blog. :) But, it’s been raining lately, so I haven’t been able to dispose of the shaving in my burn barrel for about a week. So, this is the pile that’s hiding in the corner out of sight of all my last few blog pictures…

View JasonD's profile

JasonD

180 posts in 1518 days


#4 posted 03-05-2011 06:52 PM

RG, I cut a groove in the bottom of the bench top that the “tongue” of the board jack’s rabbet slides into. The trench is 3/4” wide by 1” deep. Here’s a picture of it before I flipped the bench onto its feet.

I chopped the trench out about 1/8” deep to establish the start of the mortise walls. Then, I used a brace and 3/4” auger bit to drill out the majority of the waste and finally cleaned it up with a wide paring chisel and mortise chisel.

View RGtools's profile

RGtools

3302 posts in 1311 days


#5 posted 03-05-2011 06:57 PM

Cool thanks. I am lucky on the shavings. I have a wood stove for heating, they all go to use. Nice saw-bench, I am building a beefy version (and wondering at the wisdom in that…oh well).

-- Make furniture that lasts as long as the tree - Ryan

View JasonD's profile

JasonD

180 posts in 1518 days


#6 posted 03-05-2011 08:34 PM

I’d LOVE to have a wood stove. A few of the local hardware stores sell some at good prices, but I just don’t have the time / money to tackle remodeling the shop (busting through a brick wall to run the exhaust pipe) right now.

View RGtools's profile

RGtools

3302 posts in 1311 days


#7 posted 03-06-2011 03:39 AM

Not in the shop, it’s in my house. In my shop I freeze like everyone else. Need insulation, want water-stones.

-- Make furniture that lasts as long as the tree - Ryan

View Cantputjamontoast's profile

Cantputjamontoast

341 posts in 2088 days


#8 posted 03-06-2011 06:39 PM

Thank you
I have very much enjoyed this whole series

-- "Not skilled enough to wipe jam on toast!"

View PaBull's profile

PaBull

928 posts in 2321 days


#9 posted 03-25-2011 05:00 AM

Very nice. That was indeed a treat to watch you build this bench.

I am sure you will have a life long joy out of this workbench.

Pabull.

-- rhykenologist and plant grower

View CartersWhittling's profile

CartersWhittling

451 posts in 1330 days


#10 posted 04-09-2011 05:33 PM

Great project build. Great to see someone make an entire workbench with hand tools.

-- And whatsoever ye do, do it heartily, as to the Lord... Colossians 3:23 http://carterswhittling.wordpress.com/

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