Author Topic: Primer question  (Read 371 times)

0 Members and 1 Guest are viewing this topic.

Offline oneshotonekill

  • Trade Count: (15)
  • A Real Regular
  • ****
  • Posts: 503
Primer question
« on: March 15, 2008, 06:15:51 AM »
Does anyone know of a chart or published data that compares how hot different primers are?  I remember reading a post a while back that referenced some sort of chart comparing primers of various manufacturer's.  I can't seem to find anything like that.

Offline stimpylu32

  • Moderators
  • Trade Count: (67)
  • Senior Member
  • *****
  • Posts: 6062
  • Gender: Male
Re: Primer question
« Reply #1 on: March 15, 2008, 08:00:39 AM »
Here you go buddy .

http://www.6mmbr.com/PrimerPix.html

http://www.jamescalhoon.com/primers_and_pressure.php

When i find stuff like this i try to add it to the Forums Links Page as well as the Links Topic at the top of this page for future reference .

stimpy
Deceased June 17, 2015


:D If i can,t stop it with 6 it can,t be stopped

Offline OR-E-Gun Bill

  • GBO Supporter
  • Trade Count: (18)
  • A Real Regular
  • *****
  • Posts: 907
  • Gender: Male
Re: Primer question
« Reply #2 on: March 15, 2008, 08:31:27 AM »
Here's one I dug out of the archives.
It doesn't appear to be a "scientific" approach to testing but does show comparable results.

http://www.castingstuff.com/primer_testing_reference.htm

I seem to recall a primer test NRA did some time ago but haven't located it yet...

Bill

Offline oneshotonekill

  • Trade Count: (15)
  • A Real Regular
  • ****
  • Posts: 503
Re: Primer question
« Reply #3 on: March 16, 2008, 09:02:25 AM »
Thanks for the links guys.  I read through those sites and several others looking for some info.  Just about every test I read had another one to completely contradict it.  About the only conclusion I could come to is that priming compounds vary quite a bit from lot to lot so there is not any specific primer that is always hotter than another for a given size.  The only thing that was consistent was cup thickness and the ability for a thicker cup to hold more pressure.