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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel straightening.
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<blockquote data-quote="ntsqd" data-source="post: 1870994" data-attributes="member: 93138"><p>Watched a wizard straighten a forged Big Block Chevy stroker crank after it warped in heat-treating. It was out of true by almost .015"TIR when measured at the middle bearing journal and supported by the front and rear bearing journals. Took him about 20 mins to bring it down to within .0001" TIR He did it entirely with a 24 oz. hammer and a big chisel that had it's point carefully hand ground to a specific radius that matched journal's radii.</p><p></p><p>That a barrel can be straightened by such a seemingly crude method is not a surprise. I'm also sure that not just anyone can do that job!</p></blockquote><p></p>
[QUOTE="ntsqd, post: 1870994, member: 93138"] Watched a wizard straighten a forged Big Block Chevy stroker crank after it warped in heat-treating. It was out of true by almost .015"TIR when measured at the middle bearing journal and supported by the front and rear bearing journals. Took him about 20 mins to bring it down to within .0001" TIR He did it entirely with a 24 oz. hammer and a big chisel that had it's point carefully hand ground to a specific radius that matched journal's radii. That a barrel can be straightened by such a seemingly crude method is not a surprise. I'm also sure that not just anyone can do that job! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel straightening.
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