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 | | From: | afalanga at syracusenetworks.com | | Subject: | Beginning powder charges | | Date: | Sun, 23 Jan 2005 00:42:43 +0000 (UTC) |
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 | Hi,
I'm wondering how one determines what charge to start with when using a
given powder in a given rifle. As I've mentioned before, I got an RCBS
reloading setup for Christmas 2 years ago. Along with it came the
Speer reloading manual.
In this manual, they have minimum and maximum loads. Yes, I know they
have equipment that I don't have, such as copper crushers and
piezo-electric systems for determining pressure. However, there must
be some sort of gauge on which they determine where to start, given
certain powders and so forth.
They mention how powders are classified as slow burning and fast
burning. So, I'm going to try a slow burning powder in my .30-06 and I
want to know where to start. There's got to be something of a guide to
determining where to start the load volume of powder. Does such a
thing exist?
I'm going to be using the manual for my own references but it would
seem that something exists somewhere that says Hodgdon Varget expands
to 5 times it's original volume (it's probably something more like 50
times or 100 times). Is there?
Andy
P.S. The address listed in the newsgroup header is no longer active.
It's an account I had some years ago when I created this Google
account. If you wish to e-mail me directly you may e-mail me at
excalibur ta icehouse odt net.
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| | From: | Strider | | Subject: | Re: Beginning powder charges | | Date: | Sun, 23 Jan 2005 13:28:29 +0000 (UTC) |
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| On Sun, 23 Jan 2005 00:42:43 +0000 (UTC),
afalanga@syracusenetworks.com wrote:
#Hi,
#
#I'm wondering how one determines what charge to start with when using a
#given powder in a given rifle. As I've mentioned before, I got an RCBS
#reloading setup for Christmas 2 years ago. Along with it came the
#Speer reloading manual.
One determines safe loads by going strictly and carefully by the specs
in the book.
As you noted, they have the gear to develop those loads and you and I
don't. Therefore, the smart thing is let them make the mistakes and
benefit from the results.
Strider
***snip***
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| | From: | EL2995 at aol.com | | Subject: | Re: Beginning powder charges | | Date: | Sun, 23 Jan 2005 13:28:26 +0000 (UTC) |
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afalanga@syracusenetworks.com wrote:
# I'm wondering how one determines what charge to start with when using
a
# given powder in a given rifle. There's got to be something of a guide
to
# determining where to start the load volume of powder. Does such a
# thing exist?
The general belief is that you look at the particular powder
manufacturer's loading data sheet (which sometimes only lists a maximum
charge weight for a given powder and bullet at a given as-tested
Cartridge Overall Length) and use the maximum charge weight minus 10%
of the maximum charge weight as a starting load, and then incrementally
work up to the maximum load (as I only reload for pistols, I use
1/10th-grain increments); you then test fire the lowest charge weight
rounds and check for any pressure signs, and then advance incrementally
towards the maximum published charge weight load until/unless pressure
signs appear, never exceeding the maximum published load.
USC
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| | From: | Buzz Chandler | | Subject: | Re: Beginning powder charges | | Date: | Sun, 23 Jan 2005 13:28:35 +0000 (UTC) |
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| afalanga@syracusenetworks.com wrote:
# Hi,
#
# I'm wondering how one determines what charge to start with when using a
# given powder in a given rifle. As I've mentioned before, I got an RCBS
# reloading setup for Christmas 2 years ago. Along with it came the
# Speer reloading manual.
#
# In this manual, they have minimum and maximum loads. Yes, I know they
# have equipment that I don't have, such as copper crushers and
# piezo-electric systems for determining pressure. However, there must
# be some sort of gauge on which they determine where to start, given
# certain powders and so forth.
#
# They mention how powders are classified as slow burning and fast
# burning. So, I'm going to try a slow burning powder in my .30-06 and I
# want to know where to start. There's got to be something of a guide to
# determining where to start the load volume of powder. Does such a
# thing exist?
#
# I'm going to be using the manual for my own references but it would
# seem that something exists somewhere that says Hodgdon Varget expands
# to 5 times it's original volume (it's probably something more like 50
# times or 100 times). Is there?
#
# Andy
#
You can start at 10% below published maximum...except with some pistol
powders where you need to start very near max.
------------------------------------------------------------------
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stock system in the MPFO Rifle Raffle. Help the Cause at the same
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