OT: Radiator Badge Attachment

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mortier
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OT: Radiator Badge Attachment

Post by mortier » Sat Feb 16, 2019 2:52 pm

The radiator badge on my 1924 Citroen is soldered in place and must be removed to nickel plate the shell. I'm afraid to re-solder the restored badge on the re-plated shell. Any suggestions? A badge restoration guy says to use silicone adhesive.

Phil
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Norman Kling
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Re: OT: Radiator Badge Attachment

Post by Norman Kling » Sat Feb 16, 2019 3:27 pm

I think you might be able to solder if you use a large iron. Do not use a torch.
Norm


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Re: OT: Radiator Badge Attachment

Post by Kerry » Sat Feb 16, 2019 3:33 pm

I agree, silicine works fine but can be a job and a half if you have to remove it later.


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mortier
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Re: OT: Radiator Badge Attachment

Post by mortier » Sat Feb 16, 2019 5:07 pm

I used a torch to remove the emblem on a similar spare radiator shell and the neck fell right off. I was thinking, for re-attaching the emblem, to position a piece of solder beneath it, then holding the iron underneath.

Phil

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DanTreace
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Re: OT: Radiator Badge Attachment

Post by DanTreace » Sat Feb 16, 2019 6:38 pm

Just me, but I wouldn't trust silicone adhesive for such a rare piece. As silicone adhesive can age and the heat alone at that spot on the radiator would make silicone adhesive for long term in that vibration spot a suspect.

The extremely rare emblem off this shell was originally held just with rolled metal edge in a circle, it was loose over time too, so pried it off to refinish the shell. Installed the cloisonné emblem back in place using J-B Weld. Can trust J-B for this preservation. ;)
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Universal Carnignie radiator rebuiild.jpg
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Re: OT: Radiator Badge Attachment

Post by Greg Griffin » Sat Feb 16, 2019 9:07 pm

Isn't JB Weld over paint only adhering to the paint?


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Re: OT: Radiator Badge Attachment

Post by Aarongriffey » Sat Feb 16, 2019 9:11 pm

Get some blue or gray RTV, put a spot of it on the back of the badge and tape it to the radiator shell and get on with life.
Take the tape off after a day and a night.
It probably will be a beech to get off some day. So?
The will not rot the RTV.

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DanTreace
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Re: OT: Radiator Badge Attachment

Post by DanTreace » Sat Feb 16, 2019 9:20 pm

Greg

Good comment, on this shell the area around the circle was masked from paint, and circle of J-B Weld placed on emblem, plus some around the rim of the emblem on the inside of the shell.
The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford


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Re: OT: Radiator Badge Attachment

Post by Greg Griffin » Sat Feb 16, 2019 10:01 pm

Dan, you're one who always makes sense.


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mortier
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Re: OT: Radiator Badge Attachment

Post by mortier » Sat Feb 16, 2019 11:06 pm

Does J-B Weld stick to nickel plating?


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Re: OT: Radiator Badge Attachment

Post by Allan » Sun Feb 17, 2019 3:30 am

I would not trust silicone with a unique piece. I would tin the back of the badge anfd the mounting site on the radiator shell first. Then make a ring of so ft wire solder to go under the badge. Place the shell on the level and heat the underside of the shell with a gentle flame and the wire solder will melt and fuse the two together.
Hope this helps.
Allan from down under.


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Re: OT: Radiator Badge Attachment

Post by Chad_Marcheese » Sun Feb 17, 2019 7:28 am

If you use Permatex Ultra Grey silicone and not on a painted surface that is clean, dry, and oil free, It will stay on longer than you will live. I work in the diesel engine industry and it is the manufacture recommended sealant for our engines. Those engines got really hot and tons of vibration. I have used some myself at home, I can attest to how hard it is to get off.

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