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Thread: BSA Load data

  1. #1
    Full of shit Ryan_Songhurst's Avatar
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    BSA Load data

    my viscount has stamped on the barrel:

    "45.6GRs N.C 150GRs Bullet"

    Does the "N.C" just mean Nitro Cellulose? would anyone have an idea of the components that would have actually been used for these loads back in its time?
    caberslash likes this.
    270 is a harmonic divisor number[1]
    270 is the fourth number that is divisible by its average integer divisor[2]
    270 is a practical number, by the second definition
    The sum of the coprime counts for the first 29 integers is 270
    270 is a sparsely totient number, the largest integer with 72 as its totient
    Given 6 elements, there are 270 square permutations[3]
    10! has 270 divisors
    270 is the smallest positive integer that has divisors ending by digits 1, 2, …, 9.

  2. #2
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    Quote Originally Posted by Ryan_Songhurst View Post
    my viscount has stamped on the barrel:

    "45.6GRs N.C 150GRs Bullet"

    Does the "N.C" just mean Nitro Cellulose? would anyone have an idea of the components that would have actually been used for these loads back in its time?
    Cartridge?
    I'm trying to get to heaven before they shut the door.

  3. #3
    Full of shit Ryan_Songhurst's Avatar
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    Quote Originally Posted by nor-west View Post
    Cartridge?
    308
    270 is a harmonic divisor number[1]
    270 is the fourth number that is divisible by its average integer divisor[2]
    270 is a practical number, by the second definition
    The sum of the coprime counts for the first 29 integers is 270
    270 is a sparsely totient number, the largest integer with 72 as its totient
    Given 6 elements, there are 270 square permutations[3]
    10! has 270 divisors
    270 is the smallest positive integer that has divisors ending by digits 1, 2, …, 9.

  4. #4
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    Quote Originally Posted by Ryan_Songhurst View Post
    my viscount has stamped on the barrel:

    "45.6GRs N.C 150GRs Bullet"

    Does the "N.C" just mean Nitro Cellulose? would anyone have an idea of the components that would have actually been used for these loads back in its time?
    Suspect this is just the load data of the cartridges provided to the proof house.

    Personally think the UK proof system is now obsolete, more like a rubber stamp house, as they let rifles which fail headspace Go-No Go tests through as acceptable!
    tetawa likes this.

  5. #5
    Member Micky Duck's Avatar
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    would that not be the load the sights were set for more likely........
    thats not far what I used to use in mine..... pretty sure it was...nope will go check
    hold the line caller...
    yip it is what I used,Winchester 748 with 150grn projectile...3 grains below Winchester paper manual. that was used in the BLR
    Moa Hunter and caberslash like this.
    75/15/10 black powder matters

 

 

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