Home | Ezine | Forums | Links | Contact
NitroExpress.com: Powder Temperature debate

View recent messages : 24 hours | 48 hours | 7 days | 14 days | 30 days | 60 days | More Smilies


*** Enjoy NitroExpress.com? Participate and join in. ***
You are not logged in. [Login] Main Index · Search · Active Topics
New user · Who's Online · FAQ · Calendar

Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
Previous thread Previous   View all threads Index   Next thread Next   Flat Mode Flat  

DarylS
.700 member


Reged: 10/08/05
Posts: 27000
Loc: Beautiful British Columbia, Ca...
Re: Powder Temperature debate
      16/10/12 01:04 AM

The pressure data and load I mentioned was not for the .450 Alaskan - but was for a case possessing 27gr. LESS capacity (.45/70) - thus, the pressure would have been even lower in the .450 Alaskan. All supposition, extropolation, guesstimation - but quite logically correct. As I am shootin ghtis stuff in a model 71/76 Mauser, it had to be low pressure, ie: OK in a Trapdoor Springfield-type safe.

For some PSI pressure data (calculated on a Powley Computer) on the .450 Alaskan, see Jophn Kronfeld's artcile on the Harold Johnson round in Big Bore Rifles and Cartridges (Wolf Publishing)- which starts at 8mm and goes up. The pressures listed seem high, compared to actual pezio pressures generating similar velocities for the same bullets & bullet weights in .45/70 cases and .450 Marlin.

Much of the same ctg. data and articles & of course, many more rounds from .17 cal to .50 Alaskan. Big Bore includes a short article on the .60 Nitro. That's as big as they go.

I never spent the time to figure out my Powley Computer - don't even know where it is right now - literally unused too - might still be around here - somewhere, but haven't seen it's Drk. tan envelope for years.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V

Post Extras Print Post   Remind Me!     Notify Moderator


Entire topic
Subject Posted by Posted on
* Powder Temperature debate Dresden 05/10/12 12:12 AM
. * * Re: Powder Temperature debate DarylS   05/10/12 12:26 AM
. * * Re: Powder Temperature debate Dresden   05/10/12 12:16 PM
. * * Re: Powder Temperature debate DarylS   06/10/12 12:41 AM
. * * Re: Powder Temperature debate grandveneur   06/10/12 05:41 AM
. * * Re: Powder Temperature debate Dresden   09/10/12 02:30 AM
. * * Re: Powder Temperature debate DarylS   09/10/12 04:37 AM
. * * Re: Powder Temperature debate tinker   09/10/12 03:46 PM
. * * Re: Powder Temperature debate Homer   09/10/12 03:58 PM
. * * Re: Powder Temperature debate 450_366   10/10/12 07:31 AM
. * * Re: Powder Temperature debate DarylS   10/10/12 08:27 AM
. * * Re: Powder Temperature debate 450_366   10/10/12 09:19 AM
. * * Re: Powder Temperature debate albertan   14/10/12 12:58 PM
. * * Re: Powder Temperature debate grandveneur   14/10/12 08:50 PM
. * * Re: Powder Temperature debate DarylS   15/10/12 02:56 AM
. * * Re: Powder Temperature debate albertan   15/10/12 08:19 PM
. * * Re: Powder Temperature debate DarylS   16/10/12 01:04 AM
. * * Re: Powder Temperature debate grandveneur   06/10/12 06:52 AM
. * * Re: Powder Temperature debate DarylS   06/10/12 07:14 AM
. * * Re: Powder Temperature debate grandveneur   06/10/12 08:00 AM
. * * Re: Powder Temperature debate Rule303   06/10/12 08:37 AM

Extra information
0 registered and 342 anonymous users are browsing this forum.

Moderator:   



Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled

Rating:
Thread views: 7752

Rate this thread

Jump to

Contact Us NitroExpress.com

Powered by UBB.threads™ 6.5.5


Home | Ezine | Forums | Links | Contact


Copyright 2003 to 2011 - all rights reserved