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Max Online: 16728 @ 03/25/12 08:51 AM
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#6847589 - 08/06/17 06:52 PM I got burned
garyrapp55 Offline
Woodsman

Registered: 12/26/11
Posts: 208
Loc: Ft. Worth
I bought a Lyman beam scale from eBay but it won't hold zero. It varies at a maximum of .2 grains. I've got a $10 digital I bought years ago that is more accurate, according to the check weights. At this time I think my options are, tune the beam scale and re-check accuracy or buy a new beam scale from a store so I can return it if it's a piece. I've heard beams at $100 or less are more accurate than digitals at that price point. Have any of you guys tuned your beams? Any other options I have?
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"With experience comes the realization that it's the Indian, not the arrow." Syncerus

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#6847656 - 08/06/17 07:25 PM Re: I got burned [Re: garyrapp55]
jeffbird Online   content


Registered: 03/09/09
Posts: 2161
Been down this road and wasted lots of money trying to save money.

Buy a brand new beam and a trickler and they are plenty accurate and sensitive right out of the box.

https://www.midwayusa.com/product/101297...-grain-capacity


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#6847722 - 08/06/17 08:24 PM Re: I got burned [Re: garyrapp55]
RiverRider Online   content
THF Trophy Hunter

Registered: 11/11/07
Posts: 7030
Loc: Wise Co.
I'd give Lyman a call. If they're anything near as good as RCBS, they'll fix you up. I have an RCBS 5-10 that I noticed acting weird back in the early 90s. I called RCBS and they said "send it to us." I got it back in about 10 days, totally refurbished and good as new. I believe Lyman's scale was an Ohaus scale, just like the RCBS scales.
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Originally Posted By: Ronald Reagan
It's not that liberals are not smart, it's just that so much of what they know isn't so.

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#6848314 - 08/07/17 11:13 AM Re: I got burned [Re: garyrapp55]
redchevy Online   content
THF Celebrity

Registered: 10/25/04
Posts: 25576
Loc: Texas
My experience is the beam scale that came in my starter loading kit is more accurate than my chargemaster, but my chargemaster when calibrated has never failed to measure the check weights exactly either.
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It's hell eatin em live

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#6848569 - 08/07/17 03:01 PM Re: I got burned [Re: garyrapp55]
garyrapp55 Offline
Woodsman

Registered: 12/26/11
Posts: 208
Loc: Ft. Worth
found this, supposed to be accurate to .05 grains, I think I might get it
http://www.oldwillknottscales.com/jennings-jscale-jsvg20.html
_________________________
"With experience comes the realization that it's the Indian, not the arrow." Syncerus

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#6848615 - 08/07/17 03:54 PM Re: I got burned [Re: garyrapp55]
jeh7mmmag Online   happy
gramps

Registered: 11/01/04
Posts: 12817
Loc: Colleyville, DFW, TX
Try this.
Take a make up brush and windex and clean the small pillow block groves on the base. Blow dry to make sure they are clean. Then look at the knife edge on beam and make sure they are shape and smooth. If not gently clean them us with a whit stone.
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#6848642 - 08/07/17 04:17 PM Re: I got burned [Re: redchevy]
jeffbird Online   content


Registered: 03/09/09
Posts: 2161
Originally Posted By: redchevy
My experience is the beam scale that came in my starter loading kit is more accurate than my chargemaster, but my chargemaster when calibrated has never failed to measure the check weights exactly either.


The problem is the Chargemaster scales drifts over a loading sessions by up to 0.3 grains.

Once I started finishing powder measurements on a beam, groups shrank noticeably on paper and flyers became rare.

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#6848663 - 08/07/17 04:35 PM Re: I got burned [Re: jeffbird]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 20917
Loc: Wolfe City, TX
Originally Posted By: jeffbird
Originally Posted By: redchevy
My experience is the beam scale that came in my starter loading kit is more accurate than my chargemaster, but my chargemaster when calibrated has never failed to measure the check weights exactly either.


The problem is the Chargemaster scales drifts over a loading sessions by up to 0.3 grains.

Once I started finishing powder measurements on a beam, groups shrank noticeably on paper and flyers became rare.


Yup, yup!
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#6848710 - 08/07/17 05:06 PM Re: I got burned [Re: garyrapp55]
BassCat'99 Online   happy
Pro Tracker

Registered: 02/15/13
Posts: 1126
Loc: Stratford Texas
how much of that variance in the Chargemaster could be due to you lights as some stated that florescent lights interfere with electronic scales?
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#6848730 - 08/07/17 05:14 PM Re: I got burned [Re: FiremanJG]
Buzzsaw Online   content
THF Trophy Hunter

Registered: 06/29/11
Posts: 8834
Loc: Frisco, Texas
Originally Posted By: FiremanJG
Originally Posted By: jeffbird
Originally Posted By: redchevy
My experience is the beam scale that came in my starter loading kit is more accurate than my chargemaster, but my chargemaster when calibrated has never failed to measure the check weights exactly either.


The problem is the Chargemaster scales drifts over a loading sessions by up to 0.3 grains.

Once I started finishing powder measurements on a beam, groups shrank noticeably on paper and flyers became rare.


Yup, yup!


I loaded for my new Barrett today, all measured one at a time on a beam scale, trickled to "zero" Going back old school I guess.
_________________________
"I ain't here for a long time, I'm here for a good time"
King George Straight



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#6848845 - 08/07/17 06:41 PM Re: I got burned [Re: FiremanJG]
RiverRider Online   content
THF Trophy Hunter

Registered: 11/11/07
Posts: 7030
Loc: Wise Co.
Originally Posted By: FiremanJG
Originally Posted By: jeffbird
Originally Posted By: redchevy
My experience is the beam scale that came in my starter loading kit is more accurate than my chargemaster, but my chargemaster when calibrated has never failed to measure the check weights exactly either.


The problem is the Chargemaster scales drifts over a loading sessions by up to 0.3 grains.

Once I started finishing powder measurements on a beam, groups shrank noticeably on paper and flyers became rare.


Yup, yup!


Yes, they WILL drift. I re-zero mine after each fifth charge. Keeps it honest.
_________________________


Originally Posted By: Ronald Reagan
It's not that liberals are not smart, it's just that so much of what they know isn't so.

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#6849258 - 08/08/17 08:08 AM Re: I got burned [Re: BassCat'99]
jeffbird Online   content


Registered: 03/09/09
Posts: 2161
Originally Posted By: BassCat'99
how much of that variance in the Chargemaster could be due to you lights as some stated that florescent lights interfere with electronic scales?


It happens even in the middle of the day with the lights off.

Originally Posted By: Buzzsaw
Originally Posted By: FiremanJG
Originally Posted By: jeffbird
Originally Posted By: redchevy
My experience is the beam scale that came in my starter loading kit is more accurate than my chargemaster, but my chargemaster when calibrated has never failed to measure the check weights exactly either.


The problem is the Chargemaster scales drifts over a loading sessions by up to 0.3 grains.

Once I started finishing powder measurements on a beam, groups shrank noticeably on paper and flyers became rare.


Yup, yup!


I loaded for my new Barrett today, all measured one at a time on a beam scale, trickled to "zero" Going back old school I guess.


I use the Chargemaster to throw to 0.3 under the desired end weight, and then finish on the beam with a trickler.

Good luck with the new rifle.

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