Does anybody know how to tune a beam sale (10-10)

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mooger31

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Bought a rcbs 10-10 scale recently and noticed that it didn't seem to line up with my charge master like my 5-0-5 did. So did some research and found out how to zero it properly. Got that done and seems to work fine. But read that there are some things that you can do to make them even better. But they don't actually say what it is that you have to do them.

So has anybody had one tuned before or how to tune one.
 
Can you define the problem a bit more clearly, please? You say it, "doesn't line up," with your Chargemaster. Are you getting different readings?
 
Always remember Google is your best friend.........

How to tune and adjust a powder scale


https://www.google.com/#q=how+to+tune+and+adjust+a+powder+scale

The scale has magnetic dampening, static electricity and florescent lighting can screw up your readings by changing the electrical field generated by the two magnets.

It gets much worse if your time traveling and leave your warp flux capacitor turned on. :evil:
 
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What I meant by not lining up was that if I threw 44.0 grains of whatever and put it in the 5-0-5 scale it would balance out at near perfect 0. if I took that same charge and put it in my 10-10 it would read low.

I figured out what was wrong with that. When I leveled the scale using a bubble level and then 0 the scale I found that some weight had to be added to the pan. So I got that fixed.

But I have seen some you tube videos of Scott Parker tuned scales. And I was just curious if anybody knew how to tune a balance scale.
 
That was the next thing I was thinking about doing. I do have the 50 gram weights that come with my chargemaster. was hoping to find some smaller ones.

Does anybody know where I can get some?
 
You sharpen knife edges on your balance arms to increase sensitivity. Need some magnification and patience to do it right.

You could also use a web cam on your pointer end of the scale. It really helps to magnify the view there so you can better see the deflection powder gives you... I could see a kernel of h4350 on my rcbs 502.
 
My experience with reloading scales has been that they will be consistent within their own limitations, hence the always obligatory warning in every loading manual to start low and work your way up. That takes care of deviations from one scale to another as well as rifle differences. While the beam anvils & pivot pockets are built to close tolerances, for the loading equipment suppliers to build absolute equal to one another scales would cost a heck of a lot more than what we pay for them.
I have 5 scale, two digitals of different brand (Lyman and RCBS) , two RCBS beam scales and one old Herters scale that my dad used since the early sixties. The two digitals consistently weigh charges exactly the same. The beam scales are all lighter than the digitals, surprisingly the old Herters is always closer to the digitals than both the RCBS's. One RCBS is always 1.5 tenths light and the other is 2 full tenths lighter than the digitals. I've changed the beams in the RCBS's from one base to the other and the error follows the beams.
 
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