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PierrevdWalt
.224 member


Reged: 25/09/07
Posts: 1
Loc: South Africa
Big Bore Cartridge Load Data Pool
      #86227 - 26/09/07 06:24 PM

Guys - BASA, the Big Bore Association - Southern Africa (www.bigbore.org) would appreciate historical, technical, reloading (all known propellants from Accurate to Vihtavouri including Somchem and ADI/Mulwex) data and performance information on the cartridges below for use in future issues of its full colour, premium quality, Big Bore Journal magazine and its data compilation guides/books published from time to time. It will be greatly appreciated if Nitroexpress forum members would be so kind as to:
1. Put BASA in touch with anybody reloading for these cartridges anywhere in the world;
2. Spread this request through all internet forums and associations with a view of soliciting the info.

All contributions used will be source acknowledged. People with info can also contact the BBJ editor direct at africanhunter@bigbore.org:

The cartridges in question are:
9,5x57mm Mannlicher-Schönauer
.375 Ruger
.400 H&H Magnum
.500/416 NE Krieghoff
10,75x68mm Mauser
.425 Westley Richards
.577/450 Martini-Henry nitro loads (including jacketed bullet data on rebarrelled guns)
.450 No.2 Eley 3½” Nitro Express
.460 G&A Special
.450 Rigby
.465 H&H Belted Magnum
.470 Capstick
.476 Westley Richards NE
.510 Wells (plus development history etc.)
.550 Magnum (plus development history etc)
.585 Nyati
.600 Nitro Express
.577 A-Square Tyrannosaur (other than A2 data)
.500 A-Square (other than A2 data)
.495 A-Square (other than A2 data)
.460 Short A-Square (other than A2 data)

We really look forward to the assistance of the many experts participating in this excellent forum for a good cause.

Pierre van der Walt
Editor - BASA publications

Pierre van der Walt

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NitroXAdministrator
.700 member


Reged: 25/12/02
Posts: 39883
Loc: Barossa Valley, South Australi...
Re: Big Bore Cartridge Load Data Pool [Re: PierrevdWalt]
      #86536 - 03/10/07 07:01 PM

Thanks Pierre for the post. Email sent.

An impressive line of cartridges detailed there.

NitroExpress.com exists as a free source of reloading information for its members and visitors.

Members if you reload any of these cartridges, please feel free to detail your reloading data on the reloading forums of NitroExpress.com, preferably with a new thread so they are easy to find, for any reloaders of those cartridges to enjoy using.

NitroExpress.com is pleased to be able to offer this great free resource for reloaders of big bore rifles on the net! With our members help of course!

--------------------
John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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NitroXAdministrator
.700 member


Reged: 25/12/02
Posts: 39883
Loc: Barossa Valley, South Australi...
Re: Big Bore Cartridge Load Data Pool [Re: PierrevdWalt]
      #87001 - 12/10/07 02:33 AM

Ladies and Gentlemen of NE,

Please give your assistance to Pierre.

Lets propagate information on reloading NE and other big bore rounds widely.

But please record your reloading data here on NE as well for everyone's benefit.

NitroX

Quote:

.450 No.2 Eley 3½” Nitro Express



As previously advised:

I use 105 grs of AR2213SC in my WJ Jeffrey double in .450 No.2 NE. The big case requires the use of a filler. I use a couple "wads" of black cut dense packing foam cut with a 1/2 inch BP punch. Primer is a Federal 215. Case is Bertram. Bullet is a Woodleigh 480 gr RNSP Weldcore or a 480 gr Woodleigh RN FMJ.

Velocity is around 2150 fps.

That's my current load so far and have been using it, but not 100% happy with it and will eventually do some more load development. Has worked well enough for a few dozen beasts so far though.

--------------------
John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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NitroXAdministrator
.700 member


Reged: 25/12/02
Posts: 39883
Loc: Barossa Valley, South Australi...
Re: Big Bore Cartridge Load Data Pool [Re: PierrevdWalt]
      #87002 - 12/10/07 02:42 AM

Some .500/.416 NE reloading data for comparison to other sources:

These are untested by me. Received by me from an email. From this thread on NE.

410 gr bullet
- powder H-4831 Min 94 grs Max 97 grs - Velocity 2270 fps
- powder H-1000 Min 97 grs Max 109.5 grs - Velocity 2380 fps
- powder IMR 7828 Min 96 grs Max +-99.5 grs - Starting load only suggested, untested load by originator
- powder IMR 4831 Min 91 grs Max +-94.5 grs - Starting load only suggested, untested load by originator
- powder AR-2214 Min 97 grs Max +-109 grs - Starting load only suggested, untested load by originator
- powder AR-2217 Min 96 grs Max +-99 grs - Starting load only suggested, untested load by originator

350 gr bullet
- powder H-4350 Min 94 grs Max 98 grs - Velocity 2540 fps
- powder H-4831 Min 98 grs Max +-103 grs - Starting load only suggested, untested load by originator
- powder H-1000 Min 104 grs Max +-109 grs - Starting load only suggested, untested load by originator
- powder IMR 7828 Min 100 grs Max +-103 grs - Starting load only suggested, untested load by originator
- powder IMR 4831 Min 95 grs Max +-98 grs - Starting load only suggested, untested load by originator
- powder AR-2214 Min 104 grs Max +-109 grs - Starting load only suggested, untested load by originator
- powder AR-2217 Min 103 grs Max +-103 grs - Starting load only suggested, untested load by originator

--------------------
John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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