Author Topic: Revolver Bolt Head  (Read 726 times)

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Offline FourBee

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Revolver Bolt Head
« on: June 21, 2008, 03:56:09 AM »
With the "Cylinder" removed from this Single Action Revolver, the Bolt Head rises up to high as the Hammer is let down.   This causes the "Bolt Fingers" to sit on the "Hammer Cam" not allowing the "Fingers" to pass behind the "Cam".    That throws the operation out of sequence. 

But; Once the  " Cylinder "  is replaced, and going through the same operation, as the "Bolt Head" rises it comes in contact with the "Cylinder", and is stopped by the contact, thus allowing the "Bolt Fingers" to pass behind the "Hammer Cam", functioning normally.

Question:   What can be done to make this operation function without the "Cylinder" being in place?
My other Revolver has no problem functioning either way - - ..... 

Thanks.............. 4B
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Offline iiranger

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O. K. Look... Re: Revolver Bolt Head
« Reply #1 on: June 27, 2008, 08:22:05 AM »
As you observe this does not happen in your other revolvers. That strongly suggests that the one you have the difficulty with has some extra room/slop/tolerance that permits this to happen. If it is in the part, you might just be able to buy (or exchange with another revolver, stranger things have happened) the part and the new part will not have the problem. The other possibility is that the opening in the frame is a bit oversized. I don't even want to think about closing that up and re cutting. Possible but EXPENSIVE.

I would start by pricing parts to try the swap.

This is why many, many revolvers "ring" the cylinder when operated. The head drags and scrubbs the blue off. Only a few, and usually custom worked over, do not do this. LUCK.

Offline FourBee

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Re: Revolver Bolt Head
« Reply #2 on: June 27, 2008, 09:07:44 AM »
Hey iiranger; Thanks:
     There's definitely some slop somewhere.   I'll measure the Frame Window Slot against another gun's Window.  While I have them apart, I'll see if the good part changes the way the problem gun works.   

     And if it needs a new Bolt, that will be easily fixed.

FourBee
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Offline gunnut69

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Re: Revolver Bolt Head
« Reply #3 on: June 28, 2008, 06:40:00 PM »
Sounds like a bolt that's been over fitted. It's out of time and replying on the cylkinder to act as a stop. Of course this does somewhat depend on what type revolcver you have.
gunnut69--
The 2nd amendment to the constitution of the United States of America-
"A well regulated militia, being necessary to the security of a free state, the right of the people to keep and bear arms, shall not be infringed."

Offline FourBee

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Re: Revolver Bolt Head
« Reply #4 on: July 02, 2008, 10:54:45 PM »
 :)  gunnut69 said:  " It's out of time and relying on the cylinder to act as a stop. "

 :-\  Not knowing much about gunsmithing, I think you're right.  Since it's overstepping, (or actually over-reaching, I guess you'd say) that would put it out of time.   

4/B
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