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Frikkie007
.224 member


Reged: 11/07/14
Posts: 20
Loc: British Columbia,Canada
Re: I Hollis and Sons - Fully nitro proofed ?
      26/03/18 08:01 AM

Hi Mike

I do have Greame's book

The regulation loads they suggest with H 4831 is 103 grains , with is I presume is for the 75 grain cordite load

I could not find a cordite to nitro conversion table in the book though(Maybe I'm not looking close enough)

Using the Formula of 1.33 x 70 = 93.1 gr of H4831 - Tropical load
1.33 x70 = 99.75gr of H4831 - Normal load


Is that about what you use in you're 500/450 NE 3.25"?

Kind regards

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Subject Posted by Posted on
* I Hollis and Sons - Fully nitro proofed ? Frikkie007 26/03/18 05:01 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? 3DogMike   26/03/18 05:37 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? 3DogMike   26/03/18 05:40 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? Frikkie007   26/03/18 06:00 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? Frikkie007   26/03/18 06:25 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? casper50   26/03/18 06:47 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? Frikkie007   26/03/18 07:10 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? 3DogMike   26/03/18 07:37 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? Frikkie007   26/03/18 08:01 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? 3DogMike   26/03/18 09:05 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? Frikkie007   26/03/18 09:22 AM
. * * Re: I Hollis and Sons - Fully nitro proofed ? 470evans   27/03/18 09:50 PM
. * * Re: I Hollis and Sons - Fully nitro proofed ? 3DogMike   26/03/18 07:35 AM

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