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Forums10
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Apr 29th, 2024
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Sidelock
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Sidelock
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Joined: Jan 2002
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Sidelock
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Sidelock
Joined: Jan 2002
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ball: good news for wyobirds. bad news for the rag and bone man, ay what?
Last edited by ed good; 11/09/10 10:38 AM.
keep it simple and keep it safe...
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Joined: Jan 2002
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Sidelock
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Sidelock
Joined: Jan 2002
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wyo: good news, re: parker reassembly. now comes the critical part. once you get your gun back together, it is most important for your personal safety, that you test fire it with heavy field loads to insure that the receiver metal has been correctly re tempered. if not, the receiver may be as brittle as glass and may in fact blow up in your hands like a letter bomb. the old tried and true method of test firing a questionable firearm is to tie it securely to an old tire. then, attach a 50 foot or so lanyard to the trigger; get behind a barrier such as a tree or stone wall and then, touch her off a few times and see what happens...good luck and of course let us all know what happens...
keep it simple and keep it safe...
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Joined: Feb 2004
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Sidelock
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Sidelock
Joined: Feb 2004
Posts: 13,879 Likes: 15 |
Ed,
With all due respect, the reciever being of mild steel and only casehardened thru carburization and heat treat, cannot become hardened throughout like a martinsitic steel. That's not to say a reciever cannot fail. Just that it will be relatively soft below the carburized surface. The carburized surface will be very thin.
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Joined: Jul 2010
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Sidelock
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Sidelock
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Bang on Chuck. (forgive the pun)
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Sidelock
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Sidelock
Joined: Jan 2006
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I dunno... maybe a torch is the answer. Might be onto sOmething 
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Joined: Jan 2002
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Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,954 Likes: 12 |
wyo: good news, re: parker reassembly. now comes the critical part. once you get your gun back together, it is most important for your personal safety, that you test fire it with heavy field loads to insure that the receiver metal has been correctly re tempered. ed, this is a Parker and Parkers were made with low carbon steel actions that were case hardened and no temper was involved. One tempers through hardening steels, not case hardened plain carbon steels. if not, the receiver may be as brittle as glass and may in fact blow up in your hands like a letter bomb. No, I don't think so. How do you propose to have a "brittle as glass" piece of steel that has no capacity for through hardening. the old tried and true method of test firing a questionable firearm is to tie it securely to an old tire. then, attach a 50 foot or so lanyard to the trigger; get behind a barrier such as a tree or stone wall and then, touch her off a few times and see what happens...good luck and of course let us all know what happens... If you wish to test as per the foregoing, use ammo that produces pressure suitable for sustained use in the gun in question. Do not use high pressue loads unless you have the tools and skills to perform a Proof House type post firing inspection. Generally, if you are so unsure of the gun as to feel the need for the above test, I'd recommend you not fire the gun at all and refer it to a knowledgable gunsmith. The foregoing "test" produces very, very, very little useful information. ed, basic steel metalurgey is not complex and it has clearly defined words. If there is anything I wrote above that you disagree with, post back and we can discuss - civily. I have no intention of doing "put downs," only to get at truth.
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Joined: Jan 2002
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Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,954 Likes: 12 |
Glad this has worked out OK for you. A small warp that requires a small bend is not a big surprise. After all, manufactureres had Hard Fitters to deal with warps in the initial casing of the action. What you described seemed to be a very big warp and would have indicated a serious problem in the process. Case hardening of mild steel is well enough understood that there should be no big problems when done to known procedures.
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Joined: Jul 2005
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Sidelock
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Sidelock
Joined: Jul 2005
Posts: 2,398 Likes: 16 |
Glad this has worked out OK for you. A small warp that requires a small bend is not a big surprise. After all, manufactureres had Hard Fitters to deal with warps in the initial casing of the action. What you described seemed to be a very big warp and would have indicated a serious problem in the process. Case hardening of mild steel is well enough understood that there should be no big problems when done to known procedures. Spoken by a man who has never had to straighten a heat warped gun part... There is nothing easy, and it is never "no big problem" if it is on Your workbench.
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Joined: Jul 2010
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Sidelock
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Sidelock
Joined: Jul 2010
Posts: 1,284 |
I think both of you are right. You can reduce risks by working within tolerances/thresholds. Sure it can warp too...but the longer you leave things in to bake the more likely the issue.
Wow, lots of passion and mud slinging going on, why?
T
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