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Measuring .22 LR rim thickness (Read 5252 times)

Schuetzenmiester Frequent Elocutionist Offline Posts: 6707 Location: Cool Wet Side of WA Joined: Apr 27^th, 2008	Re: Measuring .22 LR rim thickness Reply #15 - May 17^th, 2018 at 5:13pm	Print Post
	Redsetter wrote on May 17^th, 2018 at 4:08pm: texasmac wrote on May 17^th, 2018 at 12:51pm: My understanding is uniform ignition & accuracy, is effective by how well the primer compound is ignited, which is directly related to the impact of the firing pin. Vickery's Advanced Gunsmithing devotes a page of illustrations of different firing pin strikes on case rims, with explanations of the effects of each on ignition. Do you kn ow what page. Found the book but it doesn't search very well.

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JLouis Frequent Elocutionist Offline Posts: 10625 Joined: Apr 8^th, 2009	Re: Measuring .22 LR rim thickness Reply #16 - May 17^th, 2018 at 5:20pm	Print Post
	Would Love to read it myself how does one go about finding it on the internet? JLouis

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JerryH Frequent Elocutionist Offline ASSRA Member #10876 Posts: 1240 Location: Easton, CA Joined: Nov 9^th, 2014	Re: Measuring .22 LR rim thickness Reply #17 - May 17^th, 2018 at 5:29pm	Print Post
	Schuetzenmiester wrote on May 17^th, 2018 at 5:13pm: Redsetter wrote on May 17^th, 2018 at 4:08pm: texasmac wrote on May 17^th, 2018 at 12:51pm: My understanding is uniform ignition & accuracy, is effective by how well the primer compound is ignited, which is directly related to the impact of the firing pin. Vickery's Advanced Gunsmithing devotes a page of illustrations of different firing pin strikes on case rims, with explanations of the effects of each on ignition. Do you kn ow what page. Found the book but it doesn't search very well. Chapter 9, page 209 is titled 'Problems Of The .22 And Other Rim-fire Rifles'. Plate XIV (showing the various firing pin strikes) is between pages 227 and 229. Also see chapter 13, page 294. Page 297 near the bottom is where the rim-fire firing pin discussion starts. JerryH
	« Last Edit: May 17^th, 2018 at 5:39pm by JerryH »
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Redsetter Frequent Elocutionist Offline Posts: 3468 Location: New York Joined: Aug 6^th, 2013	Re: Measuring .22 LR rim thickness Reply #18 - May 17^th, 2018 at 7:31pm	Print Post
	JLouis wrote on May 17^th, 2018 at 5:20pm: Would Love to read it myself how does one go about finding it on the internet? JLouis Outstanding reference, as were all the early Samworth publications. Luckily, it's been reprinted: (You need to *Login* or *Register* to view media files and links) A bargain. Here's the first ed. I have with DJ: (You need to *Login* or *Register* to view media files and links)


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Schuetzenmiester Frequent Elocutionist Offline Posts: 6707 Location: Cool Wet Side of WA Joined: Apr 27^th, 2008	Re: Measuring .22 LR rim thickness Reply #19 - May 17^th, 2018 at 7:43pm	Print Post
	Look here (You need to *Login* or *Register* to view media files and links) There were other links on google search. Thanks for the info guys

	"some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence
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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Measuring .22 LR rim thickness Reply #20 - May 18^th, 2018 at 2:18pm	Print Post
	Not to derail the thread, but Vickery provides an interesting note about putting a dot at the intersection of two crossed wires added into a globe front sight.

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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JS47 Frequent Elocutionist Offline Posts: 1265 Location: Arizona Joined: Oct 12^th, 2012	Re: Measuring .22 LR rim thickness Reply #21 - May 18^th, 2018 at 5:08pm	Print Post
	Bill Calfee goes into quite a bit of detail regarding rimfire firing pin strike in his book "The Art of Rimfire Accuracy". JS


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