Yes you are missing something. With the hammer fully downlower the rammer and you will see it goes nicely into the chamber under it. Now when you start to cock the hammer the bolt moves downward and clears the cylinder then the hand contacts the ratchet and starts to turn the cylinder at this very point is what you were referring to as 1/4 cock but in reality is about 1/8 cock. Now you might manage to cut the notch precise enough to catch this point but with just the tiniest amount of wear the bolt will start rubbing the cylinder then start catching in the notches and it will be new hammer time. If you must have the cylinder locked just do as I stated earlier.
Adjusting 1851 Pietta Colt Navy half cock adjustment
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mh2000
Member
What I'm missing is an unbroken bolt spring. Once I realized that was broken I had the same thought. I'm going to chalk this whole thought experiment up as the way I came to understand how the mechanisms in these guns work. Thanks! (It's kind of amazing to me that these springs are so prone to being broken right out of the factory... )
arcticap
Member
Aye, bolt springs either seem to break soon on some newer guns or last nearly forever on others before they will break.
The simple subject of replacement bolt springs opens up a whole can of worms.
1. It's cheap & easy to get a Pietta factory replacement.
2. There's several options available to obtain a virtually unbreakable coil type spring from several makers.
3. More than one person has talked about making their own coil spring either out of a safety pin or piano wire that can last forever.
Since you already ordered one I won't go further other than to list 3 threads containing the info. mentioned above even if mostly just for illustrative purposes:
A.--->>> https://www.thehighroad.org/index.php?threads/cylinder-bolt-spring.623759/
B.--->>> https://www.thehighroad.org/index.p...y-broke-its-first-trigger-bolt-spring.818827/
C.--->>> https://www.thehighroad.org/index.php?threads/what-sear-bolt-spring-would-you-order.669778/
The simple subject of replacement bolt springs opens up a whole can of worms.
1. It's cheap & easy to get a Pietta factory replacement.
2. There's several options available to obtain a virtually unbreakable coil type spring from several makers.
3. More than one person has talked about making their own coil spring either out of a safety pin or piano wire that can last forever.
Since you already ordered one I won't go further other than to list 3 threads containing the info. mentioned above even if mostly just for illustrative purposes:
A.--->>> https://www.thehighroad.org/index.php?threads/cylinder-bolt-spring.623759/
B.--->>> https://www.thehighroad.org/index.p...y-broke-its-first-trigger-bolt-spring.818827/
C.--->>> https://www.thehighroad.org/index.php?threads/what-sear-bolt-spring-would-you-order.669778/
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mh2000
Member
Thanks! Yeah, I've read those threads and others and stumbled into that online can of worms! Hahaha!
I order 2 from Dixie Gunworks and decided that if I feel crafty, that I can buy a length of spring music wire and fashion a wire bolt/trigger spring myself if I want to try out something different. (Going to skip the safety pin hack though!)
Hoping that those 2 factory replacement springs are going to last a long time!
I order 2 from Dixie Gunworks and decided that if I feel crafty, that I can buy a length of spring music wire and fashion a wire bolt/trigger spring myself if I want to try out something different. (Going to skip the safety pin hack though!)
Hoping that those 2 factory replacement springs are going to last a long time!
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