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How To Check Timing
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TOM44
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March 5, 2018 - 7:11 pm
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A buddy has a DW 15 that is not accurate...12" at 10+ yds I was told. I was thinking a new barrel might be in order, or a very good (copper) cleaning. But, I was told that the timing could be off and it would cause this too. Seems like a piece of AL (or?) stuck down the tube would tell me if it was out of time. Any other ideas ? How would I align it if I find it's off ?

TIA

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SCORPIO
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March 5, 2018 - 7:35 pm
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Timing is related to the hand and ejector star.  If either or both need work that is a job for a Smith or the factory as those are fitted parts.

Anything worth doing is worth doing well.

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If a man designed it, and a man built it, then a man can fix it.

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photohause
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March 8, 2018 - 9:52 am
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nowicanhitabarn
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TOM44
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March 9, 2018 - 4:44 pm
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Light or belt - lol 🙂

How would a GSmith check timing ?

What if we replace the barrel, which doesn't look all that bad, and it still won't shoot straight ?

It could be a loose lockup right ?

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Steve
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March 9, 2018 - 8:04 pm
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TOM44 said
Light or belt - lol 🙂

How would a GSmith check timing ?

What if we replace the barrel, which doesn't look all that bad, and it still won't shoot straight ?

It could be a loose lockup right ?  

It could be that he just needs to contact Dan Wesson in Norwich, talk to their gunsmiths (the people who work hands on building and repairing these guns), get their advice/suggestions/input, and then decide what to do.

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Ole Dog
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March 9, 2018 - 9:02 pm
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We need pictures. You may have a 14-2 shroud on a 15-2 or vice versa. I have never seen a Dan out of time. Colt Pythons go out of time because  of the stress on the double hand. Smiths go out of time because the  lockwork is softer steel. Out of time will shave metal and allow propellant to escape through the cylinder gap. You may need to check the roll pin that indexes the shroud. 

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snake-eye
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March 9, 2018 - 9:53 pm
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Albert83
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March 10, 2018 - 1:46 pm
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The link from snake-eye is very informative, but I think that bad timing and bore-barrel misalignment are two different issues in my opinion at least. A bad timing revolver most times wont even fully lock-up and when indexed will fire normally, I had that problem with my gun. Misalignment means serious problems with anything associated with the cylinder crane , ejector etc. Is the firing pin mark on the center of the primer of the spent cases?

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PAbowhunter
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March 10, 2018 - 2:56 pm
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A revolver is "out of time" when the cylinder does not rotate fully and engage the cylinder bolt to fully lock the cylinder in place prior to the hammer falling.  This will usually show while firing double action before the parts are worn enough to show in single action.  When the cylinder bolt locks, the chamber lines up with the forcing cone and barrel.  When the revolver is "out of time" the hammer falls prior to lock up.  This could be due to a worn hand aka paw or a worn ejector star (the two parts that engage to rotate the cylinder)  The way to check if you gun is in time would be this way.

#1.  MAKE SURE THE GUN IS UNLOADED

#2.  Repeat #1 until you are sure the gun is UNLOADED.

#3.  After you are CERTAIN the gun is UNLOADED go to #4.

#4.  With the cylinder closed, slowly pull the trigger in double action looking closely at the cylinder bolt and listening closely to the cylinder bolt.  The BOLT should lock the cylinder just prior to the hammer falling. If the cylinder bolt locks the cylinder prior to the hammer falling on all 6 chambers the gun is IN TIME. 

If the cylinder bolt does NOT lock the cylinder prior to the hammer falling on ALL 6 chambers, then most likely your hand AKA paw is worn out and needs replaced.

If the Cylinder bolt does not lock the cylinder on only one chamber and it is same one chamber every time, then you most likely have a worn ejector star.    

Remember to unload your revolver before you check the timing. 

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one of the best parts of my education – *make* them hunters.”

-Henry David Thoreau

 

 

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