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Very cool blog post on the topic of DR regulation courtesy of Westley Richards: http://www.theexplora.com/ http://www.theexplora.com/ | ||
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Great article thank you. Over 100 shots longest to regulate! Sounds frustrating. I wonder how they regulate for scope mounted doubles? Cheers, Chris DRSS | |||
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Much easier to use a Dremel tool and grind the muzzles. LOL. Cal _______________________________ Cal Pappas, Willow, Alaska www.CalPappas.com www.CalPappas.blogspot.com 1994 Zimbabwe 1997 Zimbabwe 1998 Zimbabwe 1999 Zimbabwe 1999 Namibia, Botswana, Zambia--vacation 2000 Australia 2002 South Africa 2003 South Africa 2003 Zimbabwe 2005 South Africa 2005 Zimbabwe 2006 Tanzania 2006 Zimbabwe--vacation 2007 Zimbabwe--vacation 2008 Zimbabwe 2012 Australia 2013 South Africa 2013 Zimbabwe 2013 Australia 2016 Zimbabwe 2017 Zimbabwe 2018 South Africa 2018 Zimbabwe--vacation 2019 South Africa 2019 Botswana 2019 Zimbabwe vacation 2021 South Africa 2021 South Africa (2nd hunt a month later) ______________________________ | |||
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Im going to have to steal that regulation jig. I was hoping they would give out their secret to putting both barrels shots into one ragged hole at any distance. The search continues...  But seriously, anyone know where I can find some redheaded virgins? http://www.facebook.com/profil...p?id=100001646464847 A.M. Little Bespoke Gunmakers LLC 682-554-0044 Michael08TDK@yahoo.com | |||
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Our average is about 80-rounds per rifle, and the process can take two to three weeks for that many shots. The regulators tell me that the barrels have to "rest" after adjustments. Moreover, they must be shot several times over multiple days to ensure that they have time to "settle" after adjustments. Tricky stuff, but they will shoot them several days apart to ensure they get the same results. It is by no means a fast process... Figure 80 shots divided by only 2 or 3 pairs per day, and that can add up pretty fast. Also consider that there are two "regulations" at HEYM... one in the white, and one after the barrels are completely struck and polished (to ensure nothing has moved.) I commend these guys for their diligence... I would pull my hair out (what little I have left!) Similar jig to adjust the muzzles.  This jig is also attached to the breech end of the barrels to ensure they stay level. Any needed vertical adjustments for individual barrels are made with pre-made brass shims in this jig rather than a screw. Scope mounted regulation process is exactly the same as open sights. | |||
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Hi Chris.Do you know if and how often are the barrels cleaned and copper removed during the process? | |||
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Good question. When regulating, the copper isn't as much of a concern as is the heating of the metal (opening the pores of the steel) and exposure to solder, flux, burnt gunpowder, etc... After shooting, the barrels are brushed out and cleaned with a solution to neutralize and remove any residue or chemicals left in the bore. Then the barrels are cleaned with a non-amonia based solvent to remove powder fouling, copper, etc... This is done after each day's shootings. Be that one pair or three pairs for the day, the barrels are cleaned as above. Also remember that copper fouling isn't really that big of a concern in a well-made hammer-forged barrel. They are so smooth inside (with no tooling marks like button or cut-rifling), that they really don't foul up that bad with so few shots. | |||
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  The three so-called jigs above are the proper fixtures used in the trial and error for proper regulation. These three fixtures are entirely different than the jigs that are simply fitted to a barrel set that was properly regulated assuming that all barrels in that chambering will be automatically properly regulated when soldered in that jig. That is the type used in the problem regulations in recent times, That type is what I refer to as a "JIG" that simply doesn’t work. Heym and most makers do it the same way with trial and error adjustment jigs! ....Mac >>>===(x)===> MacD37, ...and DUGABOY1 DRSS Charter member "If I die today, I've had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"~ME 1982 Hands of Old Elmer Keith  | |||
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....Mac >>>===(x)===> MacD37, ...and DUGABOY1 DRSS Charter member "If I die today, I've had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"~ME 1982 Hands of Old Elmer Keith | |||
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It must be a true chore to regulate a double...  D/R Hunter Correct bullet placement, combined with the required depth of bullet penetration, results in an anchored animal... | |||
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Correct me if I'm wrong, but didn't Rogue River RIfleworks/ US Rigby at one time use some sort of gonzo adhesive to bond the barrels together? I thought I remember some instance of Geoff Miller banging about a set of barrels showing how tough the adhesion was. If that's the case, how the hell do you regulate? | |||
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Baxter you are absolutely correct the barrels were glued together with a glue used to hold the tiles on the space shuttles. The system was strong, however it simply didn't work very well because it had to be done by taking a set of barrels that were regulated with the trial and error method with solder, and putting them in a JIG adjusted on the T&R regulated barrels. The glued barrels chambered for the same cartridge were placed in this jig and glued together and let dry. Good experiment that simply didn't work, because every set of barrels have their own kinks and no two will regulate the same exact way. It is my understanding that they only made two pairs of the Rouge River barrels in that jig with the glue and canned the idea. All the Cal Rigbys were soft soldered with the trial and error method, and regulated fairly well but were Rigbys in name only. ....Mac >>>===(x)===> MacD37, ...and DUGABOY1 DRSS Charter member "If I die today, I've had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"~ME 1982 Hands of Old Elmer Keith | |||
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