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Post by tgr131 on Oct 9, 2021 10:18:56 GMT -5
Hello,
I'm trying my hand at restoring an old zenith radio. I have two of the same model, and one has a broken faceplate. I'm wondering if it's possible to use the intact one to assist in casting a part that would fit into the broken area, that could be glued and painted. I am new to this hobby, and was planning to make some simple casts this weekend. I was just wondering if this is possible, and if you could give me some advice or point me to resources that I could study so I can try it when I'm ready.
The faceplate comes off of the radio easily. Any advice is much appreciated!
David
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Post by Brian on Oct 9, 2021 18:21:10 GMT -5
...Yes, the face plate off of the 2nd radio can be used as a master. The only issue that I can think of ,at the moment, would be any gap between the original face plate and the resin piece. What I do with gaps is use a CA glue (Gorilla Glue as an example, or the offerings from Bob Smith Industries..bsi) I use the bsi super glues for my model building. A thicker glue is pretty good at gap filling by its self...for a wider gap I apply the glue and then pour some talcum powder over the area as the powder and CA glue have a reaction that makes for a solid fill. I have also been known to use Bondo...the same stuff auto body shops use....for low spots.
Once you have the piece attached correctly, you will need to smooth the areas you have been working on. I use Emory files (coarse, medium , fine) that are available, sometimes, at any hobby store (Hobby Town as an example) that sells model kits. Another source for the files are beauty supply stores. When I'm using the medium and fine files , I am dipping them in water and wet sanding for a smooth finish. You will have to have the resin as smooth as the original piece before any paint can be applied.
It might not be a bad idea to prime and sand 2 or 3 times before applying the base coat of paint as if there is so much as a hair line crack/gap, it will show up for sure once some color is on it.
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