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Joined: Jan 2020
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Sidelock
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Sidelock
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Remind me please this 118/35 ? Is this an Austrian thing? Caliber or date?
Last edited by Jtplumb; 05/20/24 01:29 PM.
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Sidelock
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Sidelock
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Ah found Mr. Fords explanation I had just read Re: H. Scherping 9.3x72 ellenbr #647016 05/17/24 09:00 AM Offline Der Ami Sidelock ** D Joined: Jul 2012 Posts: 4,487 Likes: 211 East Alabama Raimey, Is this rifle yours or Themauserkid's? Great photos but no ID of the owner. The 118,35 is the bore (not groove or bullet) diameter expressed in gauge measurement, dating the rifle between 1893 and 1912. In my experience this bore diameter most often equates to .358-.359" groove diameter. This suggests the possibility of using the Tesco style bullet, 35 Rem. (180 or 200 grain, the new Flex tip for the Remington) or several different cast bullets. Is there a proof load shown on the side of the barrels? If so, bullet weight? Important for regulation. Mike
Last edited by Der Ami; 05/17/24
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Sidelock
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Sidelock
Joined: Aug 2007
Posts: 11,096 Likes: 226 |
That was the diameter of a lead slug that must go the full length of the tube. If not, then they used the next smaller one.
Serbus,
Raimey rse
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Joined: Aug 2007
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Sidelock
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Sidelock
Joined: Aug 2007
Posts: 11,096 Likes: 226 |
Have you not watched the >>Swing Shift<< episode of >>Hogan's Heroes<< where the gang goes to the local cannon factory owned by Hans Spear(Otis on the Andy Griffith Show) and they modify production so that the tubes aren't fully bored an then trick the inspector who is doing QA/QC on the prospect cannon barrels? All my German is from Hogan's Heroes...
Serbus,
Raimey rse
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Sidelock
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Sidelock
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Missed that one! Looks like lands are .352,groves .361 Sound correct?
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Sidelock
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Sidelock
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Jtplumb, Maybe. The measurements were made using gauge rods or pins. If the barrel is marked 118.35 (8.64mm) that means the 108.49-gauge(8.89mm) rod would not pass through the barrel, but the 118.35-gauge rod did pass. This can result in a .25mm variance in bore diameter. The groove diameter then is twice the groove depth (which can also vary) plus whatever the actual bore diameter is. The way to find the actual groove diameter is by driving a lead ball or slug into the barrel and measure it across largest diameter (an uneven number of grooves complicates this). Barrels marked 108.49 often have groove diameters of .362-.363". This is under the original 1891 Proof law. In 1911 improvements in the law were made, resulting in bore diameters being expressed in millimeters (in .1mm steps) and adding a number for case length, also in mm. This improvement made matters a little clearer but didn't address case dimensions other than length, nor shape. Accordingly, the same mark can appear on rifles chambered for different nominal calibers. Therefore, these marks do not show the nominal cartridge, only the bore diameter and case length. With these two numbers, we can guess what the cartridge is and sometimes the guess is correct. It was not until the Proof Law of 1939 that it was required to clearly mark the guns with the commonly used name of the cartridge it was chambered for. Are we confused yet? Mike
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Sidelock
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Sidelock
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Joined: Aug 2007
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Sidelock
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Sidelock
Joined: Aug 2007
Posts: 11,096 Likes: 226 |
Great fotos of the striker block / scears. There doesn't look to be much wear. How do the frame end of the firing pins look?
Serbus,
Raimey rse
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Sidelock
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Sidelock
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They are stretched a smidgen. One is ever so slightly sticking out, wouldn’t cause a slam fire yet but will get addressed now. Set trigger work perfectly. Will just have to get use to a reversed safety.
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