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Old 05-24-2013, 02:50 PM
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Brian Martin,Freelance adviser
 
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Any ideas on making a plastic emblem?

I am thinking about using a 53 or 54 Chevy passenger car hood emblem on my truck and would like to make a new plastic emblem that goes in it. I am thinking I could simply drimmel out the groves on the back side simply making it from scratch. But any other ideas on this project?

Brian

1953





1954




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Old 05-24-2013, 04:04 PM
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Here's a novel idea that I remember reading a few years back:

Custom Car Emblem - How To Cast Your Own Plastic Badges And Emblems - Car Craft Magazine
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Old 05-24-2013, 04:06 PM
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I apologize, I misunderstood your post. I thought your were interested in casting a new emblem, but from plastic. Please disregard.
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Old 05-24-2013, 05:01 PM
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yes.. make what you want out of bondo
then make a mold out of plaster of paris
then get a can of plastic dip..
and poor into the mold..
pull from mold. paint
then glue to the emblem base
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Old 05-24-2013, 05:08 PM
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I saw that very article when I did a google search on the subject of making plastic emblems. I am sure I am using the wrong search words. But what I am thinking is experimenting and see what I can get away with.

I have restored emblems like this, like on wheel covers and the like. If you strip the paint off the back of one you can paint them any color you want and they come out beautiful, you see the color thru the outside of the plastic and they really look nice. If you screw up the back side a little like with a gouge or something, you don't even see it thru the outside unless it's a really bad gouge. So to make templates out of sheet metal and using these templates to get nice straight lines or shapes you want to, grinding them in the plastic with sharp little rotary file I am thinking it could then be carefully sanded and then painting it even with some scratches would turn out awesome. It would take a LONG time but I think it could be pulled off literally making the whole thing from scratch.

Brian
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Old 05-24-2013, 05:11 PM
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Quote:
Originally Posted by gearheadslife View Post
yes.. make what you want out of bondo
then make a mold out of plaster of paris
then get a can of plastic dip..
and poor into the mold..
pull from mold. paint
then glue to the emblem base
It's not an emblem like that, it's smooth plastic. The plastic was originally moulded with the back side being relieved in the design wanted. The back side is painted and you are seeing this paint thru the outside.

So the home cast method isn't going to work that I can imagine. But it's a thought, first I have to find the clear resin and see how it would cast with a few experiments.

Brian
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Old 05-24-2013, 05:13 PM
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This is what I want to make, just the flags, not any words.

Brian


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Old 05-24-2013, 07:57 PM
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Clear casting resin will work..you need a pattern of the flags that go in the mold and then pour the resin...when you pull the cast you will have the relief in the back which you now paint..Make a bunch and sell the excess..I found clear casting resin with a 5sec search..

Sam
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I have tried most all of it and now do what is known to work..
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Old 05-24-2013, 09:26 PM
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This may sound cheesy but what about cutting a square/rectangle into the back and using a decal with clear backing and set it into the *hole* then lightly seal it and then clear coat it. It might work to save alot of time and patience heh.
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Old 05-24-2013, 09:56 PM
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Quote:
Originally Posted by MARTINSR View Post
It's not an emblem like that, it's smooth plastic. The plastic was originally moulded with the back side being relieved in the design wanted. The back side is painted and you are seeing this paint thru the outside.

So the home cast method isn't going to work that I can imagine. But it's a thought, first I have to find the clear resin and see how it would cast with a few experiments.

Brian
ok so it's like a plate of glass over a photo(painted part)
can't you form your "glass,clear plastic) out of some clear paint..
pour into your form.. and let dry..
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Old 05-24-2013, 10:34 PM
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Dot 3 and dot 4 brake fluid will remove paint from painted surfaces without eating away the plastic,,
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Old 05-24-2013, 11:29 PM
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Quote:
Originally Posted by OneMoreTime View Post
Clear casting resin will work..you need a pattern of the flags that go in the mold and then pour the resin...when you pull the cast you will have the relief in the back which you now paint..Make a bunch and sell the excess..I found clear casting resin with a 5sec search..

Sam

Ok, I am going to be going to a nearby "Tap plastics" to see if they have some, I assume they will. No body is going to want these, it is in my crazy head and no one else's believe me.


Brian
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Old 05-25-2013, 12:05 PM
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Quote:
Originally Posted by MARTINSR View Post
Ok, I am going to be going to a nearby "Tap plastics" to see if they have some, I assume they will. No body is going to want these, it is in my crazy head and no one else's believe me.


Brian
I like it, but I'd prefer the original Fleur de lis that the Corvette comes with.

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Old 05-26-2013, 10:23 AM
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Quote:
Originally Posted by Valkyrie5.7 View Post
I like it, but I'd prefer the original Fleur de lis that the Corvette comes with.

This is the cool part, the one you posted isn't the "original". It's the one that was used on the first production Corvettes in 53, heck, it's the first one used on the Corvette in it's first look at the by the public at the GM Motoramas in 53, but it isn't the FIRST emblem used, this is.



This is the emblem that was on the FIRST Corvette prototype for that first display in 1953. It was changed just before the show when it was learned that the American flag can't legally be used in a manufacturers logo! How odd is that? Yep, according to this story, the American flag can't be used and the emblems were replaced with the one you posted before the first showing of the Corvette in the Motorama show.

Brian
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Old 05-26-2013, 11:34 AM
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Ah, I see. Thats an iteresting piece of history, thanks!
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