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H110 metering poorly +/- 1.0 grain?
 Moderated by: klallen
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 Posted: Sat Apr 15th, 2017 11:34 PM
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Surveyor44
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I used H110 for the first time in a long while this afternoon. I was working on mid-range loads, and powder was dispensed with an RCBS Uniflow. I was checking every 5th round using 2 different scales, an RCBS and a Lee.

At first it seemed like I had good consistency all around. As I progressed, however, I started to notice erratic metering. I would get 2-4 throws within 0.1-0.2 grains of one another, and then one would be substantially light or heavy. Some ended up at published max levels...

I emptied all the powder out and noticed a ton of powder was clinging inside the measure, likely from static electricity. There were also grains clinging inside the small plastic "drop spout" that the case is placed against. I do live in a dry environment where static is common in the home.

Could this have been causing the metering issues?

Has anyone else experienced anything like this?



 Posted: Sat Apr 15th, 2017 11:42 PM
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runfiverun
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static will cause all kinds of problems.
wipe everything down with a dryer sheet.
and if you have some graphite give the inside of the measure a poof or two and shake it all around.
then dump any excess out the bottom spout.



 Posted: Sun Apr 16th, 2017 09:57 PM
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HighBC
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Static can certainly be annoying, but follow his^^^ suggestions and things should improve.

Just curious about your mention of mid range loads with H110 though. H110 is anything but a mid range powder, it's the full house magnum of magnum handgun powders and it's application is exclusive with regard to metallic loading. That said, I certainly hope you're not trying to run a reduced charge that's below published start?

I load all my magnum handguns on this stuff and absolutely love it, but it needs it's pressure to burn consistently. If pressures aren't high enough it will produce erratic pressures and can even squib. And though I've never seen it first hand, I've heard that it can detonate.

HBC



 Posted: Sun Apr 16th, 2017 11:53 PM
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Surveyor44
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Thanks to both of you, I am giving the dryer sheets a try and will pick up some graphite if needed.

HighBC: Sorry I didn't explain better. I have several loading manuals showing anywhere from 27.0-29.0 grains of H110 for this bullet. I was aiming for the 28.0 mark as two of them showed 27.8 as the low end with either 28.8 or 29.0 as the max.



 Posted: Mon Apr 17th, 2017 07:03 AM
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HighBC
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Surveyor44 wrote:
Thanks to both of you, I am giving the dryer sheets a try and will pick up some graphite if needed.

HighBC: Sorry I didn't explain better. I have several loading manuals showing anywhere from 27.0-29.0 grains of H110 for this bullet. I was aiming for the 28.0 mark as two of them showed 27.8 as the low end with either 28.8 or 29.0 as the max.


Good deal Surveyor44, I just wasn't totally clear on the whole mid range thing.

HBC



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