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Thread: Loading by volume vs weight

  1. #21
    Boolit Master

    sundog's Avatar
    Join Date
    Mar 2005
    Location
    Green Country Oklahoma
    Posts
    3,396
    What is the load data?

    What is the case prep?
    It ain't rocket science, it's boolit science.

  2. #22
    Boolit Buddy
    Join Date
    Apr 2005
    Posts
    258
    When I make bread I do everything by weight. Volume means nothing and can cause problems if you don't have the right weight of the ingredients.

  3. #23
    Boolit Master
    Join Date
    Feb 2006
    Location
    Kaneohe, HI
    Posts
    3,811
    Case prep.
    Deprime and neck size I forget what brand dies.
    Vibrate clean in corn cob.
    Clean primer pocket.
    Measures OAL. Trim as needed.

    I forget what the load was.

    He weighs each charge. Digital scale.

    He has one of those strap on the barrel cronies.
    Spread is very low.

  4. #24
    Boolit Master
    Join Date
    Apr 2017
    Location
    Minnesota
    Posts
    2,590
    Quote Originally Posted by abunaitoo View Post
    Case prep.
    Deprime and neck size I forget what brand dies.
    Vibrate clean in corn cob.
    Clean primer pocket.
    Measures OAL. Trim as needed.

    I forget what the load was.

    He weighs each charge. Digital scale.

    He has one of those strap on the barrel cronies.
    Spread is very low.
    The digital scale is a red flag to me. Unless you are intimately familiar with your own unit, they are inaccurate. The readings drift as they warm up, and are more difficult to use do to reading hold features. Try a good beam scale.

    But if velocity spreads are low, say sub 30 fps ES, then that's not the problem.

  5. #25
    Boolit Master
    Join Date
    May 2009
    Location
    SE Minnesota
    Posts
    856
    Something to remember when using weight is the changes caused by moister percent and the percent of 'solvent' in the powder. There was an article written on this about 20 years ago about the testing of this. Likely there will be more variation in 8 pounder use up over 8 years than a 1 pounder used in a year. I load by volume, not weight.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check