round ball velocities for r/b in springfield

Discussion in 'Percussion Rifles' started by -, Feb 16, 2003.

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  1. Feb 16, 2003 #1

    Guest

    can anybody tell me what kind of velocities to expect from an 1861 springfield, shooting a .570 round ball behind 60 gr. of either black powder or pyrodex. (dont like the idea of using pyrodex but its all i can get right now). keep yer head down! rebslayer...
     
  2. Feb 17, 2003 #2

    musketman

    musketman

    musketman

    Passed On

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    I am showing this data for you:

    58 caliber (.570 round ball)
    .010 pillow tick patch
    Crisco lube
    G-O Black Powder FFg

    (40 inch barrel length)
    60 grains FFg..... 1274 fps.... 1012Ft/lbs.

    I am also showing the same load using a Zouave, (32 & 26 inch barrel) just to have something to compare with...

    (32 inch barrel length)
    60 grains FFg..... 1030 fps.... 612 Ft/lbs.

    (26 inch barrel length)
    60 grains FFg..... 847 fps.... 414 Ft/lbs.

    I hope this helps.
     
  3. Apr 20, 2003 #3

    frank saloon

    frank saloon

    frank saloon

    32 Cal.

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    The "LYMAN Black powder handbook" has ballistic tables at the end, very handy? I Use them to test my home made powders against Geox powder reference. On the Net too, you can download little shareware ballistic programs like "Ballistix" or "Balltraj". I get velocities of 1600ft/s with 63g of homebrew which compare with Geox. This is an optimum load for power/accuracy ratio. (50cal, patched RB, 33" barrel)
     

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