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OK to leave powder in press?

Discussion in 'Reloading' started by wrx04, Oct 18, 2010.

  1. wrx04

    wrx04

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    Sep 25, 2008
    MI
    Is it OK to leave the powder in the press funnel or do you dump it back in the original container as soon as you are done loading? I only have one type of powder in the house, so mixing powders isnt an issue.

    Secondly, and this seems like a dumb question, but how do you empty the unused powder from the dillon 550? Do you loosen the two allen-head screws and lift out the whole assembly (minus the die), or does the funnel itself come out separately?
     
  2. IndyGunFreak

    IndyGunFreak

    25,930
    1,157
    Jan 26, 2001
    Indiana
    I don't think there's any particular reason not to(especially if you're only using 1 powder measure. I just don't like leaving it...

    I don't use the Dillon Powder Measure, but I have a good understanding of how it works, and that is exactly what i would do.

    IGF
     


  3. rangersniper308

    rangersniper308

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    1
    Apr 12, 2009
    NW Ohio
    I don't.. humidity / etc is bad on powder...

    unless I am going to load tomorrow... I take it out
     
  4. Jon_R

    Jon_R

    5,687
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    May 3, 2009
    Central Florida
    It depends on the conditions of the area you reload in. If it is dry it should not be an issue. If it is humid / damp then it will likely cause issues.

    To dump your powder on a 550 remove the two bolts holding it on (Clamp / Bracket Screw). You will need to maneuver some to get the powder reset rod out of the slotted bellcrank without dumping the powder on the floor. From there just take the top off and pour it into the original container. Once you have dumped it turn it back over and cycle it a few times by hand and it will drop some more powder. Pending your powder container a plastic funnel might be nice to have.
     
    Last edited: Oct 18, 2010
  5. XDRoX

    XDRoX

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    Jan 24, 2009
    San Diego
    Unless you live in a pineapple under the sea leaving powder in the press is fine. Won't hurt a thing except change the color of the plastic. So if you don't want the color to change, then you should empty it.

    I do not loosen the screws to take it out. I pull the two pins out of the head and slide the whole head out and pour it back into the container.

    This is just easier for me because I'm usually switching the whole head anyways.
     
  6. Boxerglocker

    Boxerglocker Jacks #1 Fan

    6,173
    33
    Mar 6, 2003
    Lynnwood, WA


    It's not a big issue to leave it in, provided the area it is left in is climate controlled, some powders will discolor the plastic tube though… more than a week at a time and I dump it back in a jar.

    How you described is exactly how you remove unused powder from the measure, don't forget to actuate the slide by hand a couple of times to get out what's in the slide cavity.
     
  7. Modern powders are nitrocellulose, and this is basically a plastic. They are not hygroscopic and do NOT readily absorb water from the air. The "old" gunpowder, aka BLACKpowder is very susceptible to dampness but that's kind of old school, except for our good folks who like blackpowder sports.
    :)
    Sonnytoo
     
  8. Jim Watson

    Jim Watson

    4,324
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    Jul 10, 2001
    Alabama
    Some grades of powder will attack the cheap plastic in powder measures a lot more than just yellowing it. If in doubt, dump.
     
  9. njl

    njl

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    Sep 28, 2000
    :noitacoL
    And I've found it easier to pull the pins and remove the entire tool head to dump the powder back into the jug from which it came.
     
  10. Colorado4Wheel

    Colorado4Wheel

    14,949
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    Nov 2, 2006
    CO
    To dump the powder.....

    Remove the toolhead and flip it all over. Easy.
     
  11. GioaJack

    GioaJack Conifer Jack

    10,016
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    Apr 14, 2009
    Conifer, CO

    :woohoo: :banana: :banana: :banana:


    Jack :whistling:
     
  12. Firecop203

    Firecop203

    802
    116
    Aug 23, 2004
    Oklahoma
    If it's just overnight and I'm reloading again the next day, I leave it in there. If it's going to be awhile before I reload again, I empty it out.
     
  13. njl

    njl

    7,904
    754
    Sep 28, 2000
    :noitacoL
    And cycle the powder bar a couple of times..some likes to get stuck in there.

    I find a big funnel makes the process easier.
     
  14. lethal tupperwa

    lethal tupperwa

    8,780
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    Aug 20, 2002
    Virginia
    if you use more than 1 powder

    make sure to lable what is in the measure

    so that you know next time

    and

    don't empty it into the wrong container.
     
  15. pangloss9

    pangloss9

    864
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    Mar 2, 2009
    middle TN
    I believe some powders photodegrade. I always empty mine back into the can.
     
  16. njl

    njl

    7,904
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    Sep 28, 2000
    :noitacoL
    Another reason to keep the jug on the bench next to the press...and dump back into it when you're done.

    When I got started with reloading, I thought I'd have just one pistol powder (Universal), but have quickly ended up with 3 (Universal, Clays, WST).
     
  17. WiskyT

    WiskyT Malcontent

    11,682
    1
    Jun 12, 2002
    North Carolina
    Smokeless powder is hygroscopic. Some smokeless powders are specifically made to be non-hygroscopic.

    I leave powder in my measure all the time. I keep the resevoir cover on and cover the press/measure with an opaque plastic bag to keep sunlight off of it.
     
  18. Zombie Steve

    Zombie Steve Decap Pin Killa

    18,083
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    May 31, 2007
    Old Colorado City
    Jack - what's this "humidity" this guy's talking about? Wait... I just looked it up. Apparently, there are places in the world that have moisture suspended in the air.

    Shall I use the "f" word? :whistling:




























    Flatlander!!! :supergrin:
     
  19. GioaJack

    GioaJack Conifer Jack

    10,016
    1
    Apr 14, 2009
    Conifer, CO

    Some people are just doomed to a dull, boring and insignificant life. It is truly a pity.


    Jack