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The Magic Cafe Forum Index » » Trick coin trickery » » Making gaffed coins (1 Likes) Printer Friendly Version

Signet
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Are there any books or DVDs out there that show how they make gaffed coins? I would be curious to see how this is done. I know it requires specialized machinery. Maybe the process is closely guarded. I just thought I'd ask.
Boomer
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I don't know of any books/videos on making gaffed coins. An email to Lassen, Schoolcraft, Kueppers or Tango might lead you to some resources.


Dave
Signet
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Thanks for the reply. I thought of doing this, but had reservations. Don't you think it would be like asking col Sanders for his secret recipe? They'd be likely to tell me to take a hike.
Boomer
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French proverb: Qui onques rien n'enprist riens n'achieva
(He who never undertook anything never achieved anything)

So what if they do tell you to go jump in the lake, are they all self-taught?

Dave
tonsofquestions
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There are specifics that I'm sure they wouldn't want to share but the basics are pretty straightforward.

There's a tool called a lathe (https://en.wikipedia.org/wiki/Lathe) that's pretty critical for most of the gaffs. Understanding how a lathe is used should make most of them clear.

I can explain in more detail if you really want, but I'm a big fan of helping people figure out solutions on their own - just like taking an effect and turning it into a method. Smile
BrotherJeffrey
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I wish I knew, but at the same time, glad I don't so I can come up with my own methods. I'm toying with some gimmicks, but can already see, it is going to be one expensive hobby.
Revolutionary Tools and Teaching for Coin Magicians

Have you seen Tresor?

CopelandCoins.com
Signet
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My father in-law has a fully equipped machine shop. He's made parts for antique guns before. He has two lathes. I'll bet he could do wonders if I had some basic reference to show him. I'm thinking you would need a press as well to make an expanded shell. It probably wouldn't be worthwhile unless you were making a lot of them. Again, I'm just curious as to how it's done.
tonsofquestions
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Yup, you pretty much have the basics, right there.

Press + lathe out the center for an expanded shell.
(Two coins) + lathe + glue can make a C/S, double-sided, split, or shimmed/magnetic coin (+ optional metal/magnet).

I don't even think a reference is necessary, since none of (the basic gaffs) are really complicated, at heart. Of course, to make things that are extremely high quality starts to be a different story...

The tolerances become the tricky bit - how much to press, how deep to cut, etc. But that's partly dependent on your machines, the type of coin, and practice experimenting/doing it before. Shells are a different beast than S&S sets, because it all comes down to tolerances.

I doubt you'd get more specifics from gaff makers (though it is possible) because (a) it might vary by machine/coin, and (b) part of that is from experience or trial + error, and that starts to become their secret sauce.

You could also do them on CNC machines, but it's even less likely that you'd get CAD/ICS files, as those would *really* allow you to start copying their work.
RoyalRd
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Hi,

I wanted to follow up on this thread as I'm looking for some special pieces to make half-coins and can either ask specifics or take it to PMs if anyone wants to talk about it. Any takers?
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