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Old 07-07-2018, 07:37 PM
AK103 AK103 is offline
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Default Strange "grind" on Brazilian frame

This morning I picked up a Brazilian marked 1917. Took it out to the range when I got home, and while cleaning it just now, I came across a strange grind in the top underside of the frame, just behind the barrel. I dont remember seeing it on any of my other Smiths.

Is this something common? Nothing came up in a couple of quick searches here and on Google. Any ideas/thoughts?

TIA.

This is it here......




Last edited by AK103; 07-07-2018 at 07:39 PM.
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Old 07-07-2018, 07:42 PM
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It's a fouling cup that was used on most (all?) models through the 1920s. It was intended to reduce fouling effects from blackpowder rounds.
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Old 07-07-2018, 07:52 PM
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Hey, thanks Nesmith. I was a little concerned when I first came across it. I have a number of Smiths, but other than an old #4 top break, nothing this old.

Seems to be a decent shooter. Im going to try and get out with it again tomorrow.
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Old 07-08-2018, 09:42 AM
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I refer to it as a "crud catcher".
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Old 07-08-2018, 10:17 AM
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Welcome to the forums from the Wiregrass! When you removed the cylinder and yoke, did you catch the hold open detent pin and spring? They could have already been missing since it was from Brazil.
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Old 07-08-2018, 10:17 AM
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I refer to it as a "crud catcher".
Yea, that seems to be appropriate, as it was loaded with it when I first started to clean it.
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Old 07-08-2018, 10:24 AM
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Quote:
Originally Posted by Wiregrassguy View Post
Welcome to the forums from the Wiregrass! When you removed the cylinder and yoke, did you catch the hold open detent pin and spring? They could have already been missing since it was from Brazil.
Thanks.

I havent removed the cylinder yet. Im not familiar with the detent and spring youre referring to. Nothing appears different than any of my other S&W's in regards to the frame/yoke to show it would be there. Is it internal?
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Old 07-08-2018, 10:30 AM
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ETA; I just did a quick search on the detent and see where it is. Ill take a look a little later when I get back from the range.

It doesnt "feel" as if theres anything in there acting as a detent, but Ill be careful when I pull it off.

The frame around the screw that holds the yoke in has some buggering on it. Looks like somewone tried to tighten it with the wrong screwdriver. Dont know if they had it off or not. Guess Ill find out.
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Old 07-08-2018, 10:42 AM
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I thought I saw a missing yoke screw on one of your pictures and thought you removed the cylinder to take a picture of the fouling cup. Anyway, I can assure you that Brazilian has been field stripped many times during its military service. You can tell if the detent is missing by opening the cylinder and tilting the gun to the right. If the cylinder closes, it is missing.
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Old 07-08-2018, 10:51 AM
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Quote:
Originally Posted by AK103 View Post
Thanks.

I havent removed the cylinder yet. Im not familiar with the detent and spring youre referring to. Nothing appears different than any of my other S&W's in regards to the frame/yoke to show it would be there. Is it internal?
With the help of forum members I just manufactured a yoke detent and spring for my Triple lock.
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Old 07-08-2018, 12:02 PM
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Quote:
Originally Posted by Wiregrassguy View Post
You can tell if the detent is missing by opening the cylinder and tilting the gun to the right. If the cylinder closes, it is missing.
Im assuming its missing, as it does close easily when tilted right.
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Old 07-08-2018, 01:23 PM
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It is easy to make up parts to replace, but there really isn't any reason to do it. They were discontinued in the early 20's and no one ever missed them.
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Old 07-08-2018, 02:44 PM
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Interesting. I have a 1932 1917 that has them and a 1935 Registered Magnum as well. I know they were discontinued after the war.
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Old 07-08-2018, 04:51 PM
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Quote:
Originally Posted by P.W.Herman View Post
I refer to it as a "crud catcher".
Actually, it wan't designed to "catch" crud, but rather to deflect residue & dirt away from the area where the barrel protrudes through the frame. Some say it was put there to prevent flame cutting, but doubt, for the time period, that was the case.
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Old 07-09-2018, 08:49 AM
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Quote:
Originally Posted by KEN L View Post
Actually, it wan't designed to "catch" crud, but rather to deflect residue & dirt away from the area where the barrel protrudes through the frame. Some say it was put there to prevent flame cutting, but doubt, for the time period, that was the case.
Seems to work better as a crud catcher than a crud deflector on my guns.
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