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Hi Unregistered,
On July 29th, this site will be moving..! No, really - it's "moving" to another physical location - including servers, gateways, routers - everything - including my coffee cup...
So, from the date of July 29th through July 30 or 31 (shooting for these dates, but - as always, I'm at the mercy of my ISP who has to install the lines to the new location - and we actually get them running ;) ). But - this site, cloud servers and main web will be OFF LINE.
Now, please save these dates!! Please - don't be "that guy" who emails me on the 30th to tell me you "can't open the Parker Website". I'll already know it is offline - and also know that you are "that guy"...
I'll take this notice up and down over the next week or so - and leave it up during the final few days before shutting it off on the 29th..
John D.
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12-23-2011, 10:25 AM
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#1
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Member
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Member Info
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Join Date: Nov 2008
Posts: 1,774
Thanks: 44
Thanked 759 Times in 420 Posts
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Most primers have about the same pressures. Cheddite, Win, Fiocchi and Rem. are all about the same, within a hundred or two for pressure. The Federal are usually quite a bit hotter. Crimp depth has a greater effect on pressure. Factory shells have about .050 to .060 and that is what is used for reloading data. Going down to .020 or up to .080 will change pressures by 1 to 2000psi. Paul
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12-23-2011, 10:41 AM
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#2
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Member
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Member Info
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Join Date: Nov 2008
Posts: 4,584
Thanks: 521
Thanked 4,119 Times in 1,728 Posts
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Tom Armbrust's tests show higher variation than 100 PSI
http://www.armbrust.acf2.org/primersubs.htm
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