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Looking for a yoke for a 929


jcc7x7
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An 8 shot yoke (crane) or cylinder will only work on an 8 shot frame. The radius of the chamber holes is .030 larger so the crane has to be .030 taller as well.

The 6 shot N frame crane (yoke) or cylinder will only work on 6 shot frames for the same reason.

Edited by Toolguy
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3 hours ago, Toolguy said:

An 8 shot yoke (crane) or cylinder will only work on an 8 shot frame. The radius of the chamber holes is .030 larger so the crane has to be .030 taller as well.

The 6 shot N frame crane (yoke) or cylinder will only work on 6 shot frames for the same reason.

Did the frame somehow get larger? Or is the cylinder somehow larger? I thought it was the same size and they just moved the holes further out.

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Good catch Swordfish. You thought right.

 

Just did some checking. The cranes and cylinders both fit. However it would be a very bad idea to put an 8 shot cylinder in a 6 shot frame or a 6 shot cylinder in an 8 shot frame because the chambers will not line up with the barrel. One shot like that would probably blow up the gun and maybe the shooter.

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11 hours ago, Toolguy said:

Good catch Swordfish. You thought right.

 

Just did some checking. The cranes and cylinders both fit. However it would be a very bad idea to put an 8 shot cylinder in a 6 shot frame or a 6 shot cylinder in an 8 shot frame because the chambers will not line up with the barrel. One shot like that would probably blow up the gun and maybe the shooter.

 

Would the hand on the 929 be a little shorter, so as to allow the cylinder to, for all intents and purposes, short stroke?

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49 minutes ago, RePete said:

 

Would the hand on the 929 be a little shorter, so as to allow the cylinder to, for all intents and purposes, short stroke?

 

The hands for a 627 and 929 are exactly the same

 

The hands for an 6 shot N frame gun and an 8 shot N frame gun are the same LENGTH but the very tip of the 8 shot hands WIDTH is smaller to account for the shorter distance the cylinder needs to travel to the next chamber. 

 

 

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Good catch Swordfish. You thought right.
 
Just did some checking. The cranes and cylinders both fit. However it would be a very bad idea to put an 8 shot cylinder in a 6 shot frame or a 6 shot cylinder in an 8 shot frame because the chambers will not line up with the barrel. One shot like that would probably blow up the gun and maybe the shooter.


Won't blow up, not with 38s anyway. One of the locals converted a model 27 to an 8 shot. Shoots it at ICORE every month.
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9 hours ago, PatJones said:


 

 


Won't blow up, not with 38s anyway. One of the locals converted a model 27 to an 8 shot. Shoots it at ICORE every month.

 

 

39 minutes ago, Toolguy said:

I'm thinking the threads must be offset from the bore. We're looking at a .030 mismatch in height. That's 1/10th of a bullet diameter.

 

I was under the same impression. Unless the new style reissues of the 27s utilize the same frame and a modified cylinder allowing the correct offset? 

 

Be interested in learning more about this. 

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