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F. Brittain Brace

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F. Brittain Brace

Postby rxh » 25 Jun 2022, 22:32

I recently "won" this brace at auction. As you can see, it is in very poor condition but I intend to try and get it back to usable condition. The worst fault is the broken brass frame. I'm thinking of attempting a repair by silver soldering but I would be grateful for any suggestions.
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Re: F. Brittain Brace

Postby AndyT » 26 Jun 2022, 05:39

You do like a challenge, don't you!

I guess it's been kept somewhere damp, so the wood has swollen and split and broken the brass plating. And the (original, correct) steel screws have rusted beyond use.

As I see it, you'll need to remove the brass to solder it. So you'll need to drill out and destroy the screws.

Do you then try and get the wood back to its old dimensions, to fit the repaired brass? I guess so. So you could try cutting opposite the split, then regluing. That would need even more dismantling. Maybe it would be simpler to fill in the split with a wedge of matching wood, then carve away excess wood under the plate.

I'll be interested to see what you do. I'd be tempted to offload it on eBay and look for a better one!
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Re: F. Brittain Brace

Postby rxh » 03 Jul 2022, 22:53

Thanks Andy,
I have started work on the brace. Andy Toolsntat kindly provided me with useful information about how these braces go together. I removed the screws that hold the lower infill. Six of them came out intact but I chewed up the other two and had to drill their heads off. The top of the steel linking rod was peined over and I had to grind it with a Dremel tool in order to removed the damaged brass part and the central handle. Further progress reports to follow.
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Re: F. Brittain Brace

Postby AndyT » 04 Jul 2022, 06:11

Fascinating to see the details of the construction of one of these.
How is the central rod fixed at the ends? What failed at the broken end?
I'm sure you will make a good job of this.
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Re: F. Brittain Brace

Postby Bearwoodcraft » 04 Jul 2022, 17:10

AndyT wrote:Fascinating to see the details of the construction of one of these.
How is the central rod fixed at the ends? What failed at the broken end?
I'm sure you will make a good job of this.



Are you the chap I saw on bench talk last week who was sat in his car? I was speauking to Peter Tiffany he said well if it is you that your very skilled woodworker indeed I take it you don’t bother with the social media rubbish? I think the forums are enough really. U.K. workshop was good but so many people jumped ship as I think it was sold and people weren’t pleased with changes or somthing.
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Re: F. Brittain Brace

Postby AndyT » 04 Jul 2022, 18:12

Bearwoodcraft wrote:
AndyT wrote:Fascinating to see the details of the construction of one of these.
How is the central rod fixed at the ends? What failed at the broken end?
I'm sure you will make a good job of this.



Are you the chap I saw on bench talk last week who was sat in his car? I was speauking to Peter Tiffany he said well if it is you that your very skilled woodworker indeed I take it you don’t bother with the social media rubbish? I think the forums are enough really. U.K. workshop was good but so many people jumped ship as I think it was sold and people weren’t pleased with changes or somthing.


I'm rumbled! And a big raspberry to Facebook and its spawn. :D

(Richard was there too.)
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Re: F. Brittain Brace

Postby Bearwoodcraft » 04 Jul 2022, 18:23

AndyT wrote:
Bearwoodcraft wrote:
AndyT wrote:Fascinating to see the details of the construction of one of these.
How is the central rod fixed at the ends? What failed at the broken end?
I'm sure you will make a good job of this.



Are you the chap I saw on bench talk last week who was sat in his car? I was speauking to Peter Tiffany he said well if it is you that your very skilled woodworker indeed I take it you don’t bother with the social media rubbish? I think the forums are enough really. U.K. workshop was good but so many people jumped ship as I think it was sold and people weren’t pleased with changes or somthing.


I'm rumbled! And a big raspberry to Facebook and its spawn. :D

(Richard was there too.)


Haha Richard Arnold? His partner said he wasn’t very well wanted a word about somthing for his auction that’s coming up. He’s the only one I’ve really connected with to be honest he was fundamental in my new bench build. The unplugged page is pretty fair to be honest if a bit much for some but other than that feels a waste of time generally
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Re: F. Brittain Brace

Postby Bearwoodcraft » 04 Jul 2022, 18:25

rxh wrote:Thanks Andy,
I have started work on the brace. Andy Toolsntat kindly provided me with useful information about how these braces go together. I removed the screws that hold the lower infill. Six of them came out intact but I chewed up the other two and had to drill their heads off. The top of the steel linking rod was peined over and I had to grind it with a Dremel tool in order to removed the damaged brass part and the central handle. Further progress reports to follow.



I remember speauking to you about this I saw some in a recent sale but all go for more money than I have as I can’t work currently my grandfarther had one that along with many other tools he had went walkies sadly.
I still have his tool box he built as an apprentice and hope to fill it with the tools he was given when his mentor retired due to I’ll health. Not sure I’ll ever replace the infill planes sadly all far too collectible now
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Re: F. Brittain Brace

Postby AndyT » 04 Jul 2022, 18:27

Bearwoodcraft wrote:
AndyT wrote:
(Richard was there too.)


Haha Richard Arnold? His partner said he wasn’t very well wanted a word about somthing for his auction that’s coming up. He’s the only one I’ve really connected with to be honest he was fundamental in my new bench build. The unplugged page is pretty fair to be honest if a bit much for some but other than that feels a waste of time generally


Well, yes, but I meant rxh - him with the broken brace who started this thread!
We do look a bit similar and have been mistaken for each other a few times.
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Re: F. Brittain Brace

Postby rxh » 04 Jul 2022, 19:51

I have repaired the break with silver solder. It seems to be at least as hard as brass. I managed to build up a fillet on the inside so I think it is quite a strong joint but not perfect in appearance. Quite a lot of heat was required - I used a camping gas ring and a blowlamp, both running on propane/butane mixture.
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Re: F. Brittain Brace

Postby AndyT » 04 Jul 2022, 20:01

That's impressive!

Is the silver/blue effect in the first photo just a digital artefact of some sort? Does it still match the other end?

If you had to go back to fresh bare metal, ammonia ages brass well.
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Re: F. Brittain Brace

Postby rxh » 04 Jul 2022, 20:19

Thanks Andy,

That was the appearance after removing the scale and flux residue with abrasive paper. Thanks for the tip about ageing using ammonia - I didn't know that one. I have a way of patinating using soft solder wire and "blacking" liquid intended for leaded lights glass work.
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Re: F. Brittain Brace

Postby rxh » 04 Jul 2022, 20:24

To repair the damage to the central handle I used a file to make the gap width even. Then I glued in a strip of ebony and shaved it down to be flush with the handle.
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Re: F. Brittain Brace

Postby Andyp » 05 Jul 2022, 07:16

Where’s the join? :eusa-clap:
I do not think therefore I do not am.

cheers
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Re: F. Brittain Brace

Postby rxh » 05 Jul 2022, 22:23

Andyp wrote:Where’s the join? :eusa-clap:

The dark colour and very fine grain helps :)
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Re: F. Brittain Brace

Postby rxh » 05 Jul 2022, 22:43

The upper brass frame was cast around one end of the central steel rod so they could not be separated and there was no need to do so. The other end of the rod has a tapered square shape that fits into a socket in the lower brass frame. It had been peined over but I had to grind off the peining to remove the frame and get access to the central handle to repair it. To allow the frame to be re-attached securely I drilled and tapped the end of the rod, and provided it with a screw.
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Last edited by rxh on 06 Jul 2022, 22:30, edited 1 time in total.
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Re: F. Brittain Brace

Postby AndyT » 05 Jul 2022, 22:53

This is looking like a very satisfying series of solved problems!
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Re: F. Brittain Brace

Postby Lurker » 06 Jul 2022, 07:13

Interesting to see how these were made originally.
You are making a cracking (pun intended) job on something most of us would have written off as a basket case.
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Re: F. Brittain Brace

Postby Stuart » 06 Jul 2022, 17:43

Lurker wrote:Interesting to see how these were made originally.
You are making a cracking (pun intended) job on something most of us would have written off as a basket case.

And that's one of the things I like about places like this.

Someones skip material is someone else's delight.

This is something that in its original condition I probably wouldn't look twice at and when this is finished it's going to look wonderful again!
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Re: F. Brittain Brace

Postby rxh » 06 Jul 2022, 22:27

Thanks Andy, Lurker and Stuart - it is an interesting challenge.

Here is a photo of the pad (or whatever its correct name is). I picked out the remaining bits of white inlay and I found that the groove dimensions were just right to accept some violin purfling. I filled the crack with fine ebony dust mixed with epoxy and I dealt with some cracks elsewhere on the brace in the same way.
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Re: F. Brittain Brace

Postby AJB Temple » 07 Jul 2022, 09:13

You are doing a great job on that. Skilled work. Must admit when I first saw it I thought that the tool was beyond realistic repair. The silver soldering work is very neat indeed considering how bad the break was. Super job on the handle repairs too.
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Re: F. Brittain Brace

Postby rxh » 07 Jul 2022, 22:28

Thanks AJB Temple. The pad was a very sloppy fit on the stem - I think the brace must have had quite a lot of use to cause so much wear. I removed the top cap by unscrewing it using an old pair of school dividers (I think this type is banned in schools now owing to use as a weapon :) ). The upper nut has a left hand thread and I removed it with a saw nut driver. I made a tool of a piece of SS tube to allow me to remove the lower nut, which has a right handed thread. I turned a sleeve or collar of brass and inserted it in the top of the brass core of the pad to improve the fit of the pad on the stem (I forgot to photograph this detail before I put it back together). The pad now turns smoothly on the stem without wobbling.
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Unscrewing the top cap.
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The top cap removed.
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The view inside after removing the top cap.
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The saw nut driver and the improvised tool.
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Re: F. Brittain Brace

Postby toolsntat » 08 Jul 2022, 11:22

As always Richard, fantastic work.
Cheers, Andy
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Re: F. Brittain Brace

Postby rxh » 10 Jul 2022, 20:41

toolsntat wrote:As always Richard, fantastic work.
Cheers, Andy

Thanks Andy - the information you gave me was very helpful.

Here are some photos of it put back together. Before I could replace the lower infill I had to deal with the shanks of the two screws that I had had to drill the heads off. I used a 3/16" diameter end mill to remove all the metal, then enlarged the holes to 3/8" diameter with a drill. Then I inserted cross grain wood plugs of beech. With the infill in place I secured it with newer screws. I decided not to remove the upper infill as I thought that the chances would be small of removing all the screws intact.
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Re: F. Brittain Brace

Postby AndyT » 10 Jul 2022, 21:05

What a brilliant save!
I'm really very impressed.
:eusa-clap: :eusa-clap: :eusa-clap:
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