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5th January 2022, 12:01 PM #1
Art Deco style round table pedestal
I decided to make a proper sturdy pedestal base for a 1.4 m round table that sits on our back porch. The table had no base when I bought it, so I just put a cheap cafe-type base under it that came from Ikea. Problem is that the foot is not wide enough and every time "someone" bumps the table, his wife's morning coffee slops out, an unacceptable state of affairs.
After the design phase, I got out an old 4" x 4" jarrah beam that I have had sitting around for about 15 years, waiting for such a job as this. It is a recycled piece, and was way out of square. The first job was to get it dimensioned, so I had a chance to use my Stanley 78 that I just recently repurposed as a scrub plane. It worked really well and cut through the jarrah nicely. I got hold of a second blade for the 78 which I cambered for specific use scrubbing. Then flattened two adjacent faces with a fore plane, and did the remaining faces in a thicknesser. The beam was then ripped in half on the bandsaw and planed flat, ready to go.
There are four uprights of 90mm x 90mm curly jarrah that will be part of the design also.Swifty
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5th January 2022 12:01 PM # ADSGoogle Adsense Advertisement
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6th January 2022, 01:29 PM #2
The two base boards needed to have lap joints cut in them, I did so manually with a tenon saw and chisels, then made the bottoms parallel using the hand router. The general form is then shown in the piccies, but of course it will look a bit different after the legs are turned and the decorations added.
Swifty
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7th January 2022, 11:43 AM #3
Well, it was time to think about turning the legs. First I had to cut the tenons on the foot, while the timber was still square. Which meant I had to cut the mortices in the base for the legs, which I did with the help of my drill press and some chisels. I was going to put a large beads on the foot of the legs, and have a kind of Ionian column, but I had decided to keep it a simpler Art Deco geometric form, so I decided on a purely cylindrical form. I put a protective coat of Danish Oil on each leg as soon as I turned them. The top supports for the pedestal are held into the top of the legs in bridle joints, I cut the incisions on the bandsaw then cleaned up with chisels. I decided on the decorative features for the base and put these in using a router, a hand router and chisels. These were then sanded and finished with the DO. I attached five feet on the base to support the whole thing on the patio bricks.
Swifty
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7th January 2022, 03:41 PM #4
This looks so good I can see a request for a matching top in your future .
Cheers, Bob the labrat
Measure once and.... the phone rings!
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10th January 2022, 10:33 AM #5
For the top supports I needed some more jarrah, fortunately my old friend John D supplied me with a nice old piece of 4 x 2 which was long enough. That piece also needed some dimensioning before ripping, so out came the Stanley No 7 plane.
The two supports are held by bridle joints into the top of the legs, and have a lap joint where they cross. The picture below shows removing the waste from one of the lap joints, the cuts having all been made with a tenon saw. The other pictures show the arrangement of the joinery at the top.
I must say I was pleasantly surprised to see how well Danish Oil comes up on jarrah, John D told me that he found out this many years ago from the old timers, who knew quite a lot apparently. This was the first time I'd used DO on jarrah, I don't work with jarrah that much.Swifty
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11th January 2022, 12:58 PM #6Senior Member
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I like the lapped joinery you chose for the legs. Simple and secure.
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12th January 2022, 01:51 PM #7
The top beams needed a bit of dollying up too, so they also got some art deco type decorations on them. The inside of the jarrah was a lighter, pink colour than normal, John D explains this is because it is what is known as "coastal jarrah", grows in areas of higher rainfall so grows a bit faster than "inland" jarrah, resulting in the pink tone. Then the holes for attaching the top were made in these beams. I didn't mention that the round table is a stone mosaic, and quite heavy, at least 50 kg, so I want to attach it firmly. Always safer to over-engineer, I say, to avoid any problems down the road. So ready for glue-up, I glued the base together first, then glued the legs and top beams following.
Swifty
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13th January 2022, 04:02 PM #8
Glue alone is never enough
Modern glues, like the araldite I used for this work, are marvelous and strong with a long open time (I used the 2-hour epoxy), but with a heavy piece of furniture like this I still like to have some comfort of mind from mechanical joinery!
So I pinned the joins, each tenon on the foot of the legs has two 1/2" dowels (one from each side), and the bridle joints at the top of the legs have one each. Since they are visible, I decided to make my own from jarrah off-cuts, using the lathe then pushing through a dowel plate that I recently acquired. I also ended up putting two dowels through the top lap joint between the two top beams, which stabilised things a lot as well.
Some sanding level of the dowels and re-oiling the necessary spots, and it was done. I attached the table top and voila - no more spilt coffee!
Thanks for reading!Swifty
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13th January 2022, 07:43 PM #9
That gets a quiet "woo hoo" from me .
Cheers, Bob the labrat
Measure once and.... the phone rings!
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