using electronic powder dispensers? how accurate

Mag 300

Mag 300

Gunny Sergeant
Full Member
Minuteman
    • Dec 31, 2006
    1,891
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    Downers Grove Illinois
    #1
    thinking about taking the plunge for an electronic powder dispenser like hornaday or what ever, I am reloading using a dropped to get close then trickle to get to exact load on my acculab vic 123 scale . uusually witin .2 gr

    Thanks Bill
     
    #5
    Re: using electronic powder dispensers? how accurate

    How does the ChargeMaster handle fluorescent lighting? I had a PACT set-up years ago and it drove me batty. I can't see swapping all the light fixtures. Also, what happens when .gov outlaws incandescent lamps and only CFLs are available? Load by candle light?
     
    #6
    Re: using electronic powder dispensers? how accurate

    I have florescent lights in my room on top of the ceiling. I load under them (maybe 8 feet away), and never have noticed an issue with them. The things that mess me up is the AC/heater blowing and cell phones. I've talked to guys that loaded directly under a florescent light, and it would make their scales wonder around.
     
    #7
    Re: using electronic powder dispensers? how accurate

    You bring up a good question. I use the Chargemaster and I have not taken the time to collect the data and calculate the upper and lower control limits, standard deviation etc. Anecdotally, I will state that the range is +/- 0.2 grains with 50% within +/- 0.1 grain. The powder being weighed is Varget...
     
    #8
    Re: using electronic powder dispensers? how accurate

    I'm very happy with my chargemaster once I found one that worked (long story, read my other thread). This one seems extremely accurate and never drops more than +/- .1 and even that is rare. Normally it drops 0.0 to the desired charge.

    My only issue is I don't have another scale to check it against. However, I tried I trick I heard on a forum about taking a penny and weighing it when I 1st got the scale, put a peice of tape on it and wrote the weight on the penny as an immediate checkweight that is in the range of what powder charges I'm weighing. When I 1st weighed the penny, it was 39.9 grains. I throw the penny on the scale everytime I power it up and before any calibration and its always come out to EXACTLY 39.9. I don't think you can get much better than that.
     
    #9
    Re: using electronic powder dispensers? how accurate

    I have been using a PACT system for several years and it almost always drops right on the money. About 1 in ten will be +/- .1 and sometimes on rare occasion +/- .2 but that is not the norm. It is such a subtle difference that I seriously doubt it would have a signifant affect on velocity deviation. I do concur that you must be careful with fans and air conditioner affecting the scale. I use a balance scale to double check my weights. A good investment is calibration weights.
     
    #10
    Re: using electronic powder dispensers? how accura

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ReaperDriver</div><div class="ubbcode-body"> I throw the penny on the scale everytime I power it up and before any calibration and its always come out to EXACTLY 39.9. I don't think you can get much better than that. </div></div>

    I'm certain you know this, but bear in mind, that means the scale is consistent, but not necessarily accurate. My Dillon scale registers one percent high when compared to my Redding or 10-10 scales, but it is always consistent. If I weigh out 50 grains on the Redding, it will register 50.5 on the Dillon.

    I witnessed the same with a friend's BBK scale.
     
    #11
    Re: using electronic powder dispensers? how accura

    I have a lyman and It has worked great for me. as many have stated I have no way of judging exactly how accurat it is but I will say that when my rounds are put the chrono, they are all within acceptable range. my 300 win never shoots above 1/4 inch. and holds under 2 usually 1.5 @ 300. thats good enough for me.
     
    #12
    Re: using electronic powder dispensers? how accura

    I like the comparison betwen accurate and consistent. My RCBS has check weights, and I thought all scales would have to come with them. One thread I have read, made it sound as if, electronic sacles were subject to flaws over time, as they lose accuracy from wear and tear, vary with environmental conditions, and the quality of the power supplied to them. . Not sure, as I have been using mine for a very short time. The trickler tha goes with mine has been discontinued from RCBS, but is available from PACT, who obviously produced it for RCBS.

    Waiting on them to set is fun too. 69.0, wait and see it fuctuate to 68.9-70.1, then back to one of the three. Then, what differnce does +/- .1 or .2 grains make? Someone tell me?
     
    #13
    Re: using electronic powder dispensers? how accura

    I have the Lyman, and it seems to work great for me. It seems to be consistent with my other scale as well. I wish it was faster, but it definitely works.
     
    #15
    Re: using electronic powder dispensers? how accura

    dont they make a speed upgrade kit for the RCBS too? remember, a nickel weighs 5 grams and a dollar weighs 1 gram. dont ask how i know this.
     
    #17
    Re: using electronic powder dispensers? how accura

    Thanks this helps a lot initial load testing I trickle to within .02 gr every kernel. but after I have the load and the node of the barrel .1 would be fine
    Bill

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 762frmafr</div><div class="ubbcode-body">i have been reloading with a lyman for over 6 months and it is accurate to +/- .1 grain. my reloads had an extreme spread of only 8 fps so i don't think it is really that much of a difference. </div></div>
     
    #18
    Re: using electronic powder dispensers? how accura

    I don't know about the others but you can adjust the speed settings on the charge master to fit your loads better. There has been a thread about it.

    I have used a chargemaster for over a year for varget. On a rainy weekend I tried to use it foe bullseye for my 45acp and it dis not like the flakey powder at all.

    With varget you can get to the tenth everytime. Consistancy is accuracy to me. This is the scale that all my loads are worked up on and all of then are made on. As long as it is consistant my powder charges are the same and that's what I want.

    Another not to speed. When reeling with larger cartriges you cab take a lee powder cup and add to the scale while it's dropping a s it will save you a couple sec. If your in that big of a hurry
     
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