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Looking to upgrade my balance, suggestions?

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  #8  
Unread 06-12-2009, 05:28 PM
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Join Date: Mar 2007
Posts: 430
Re: Looking to upgrade my balance, suggestions?

Have you tried cleaning the pivots and bearings with alcohol? At the same time, wipe the copper vane to neutralize any charge build-up there. If the pivots/bearings are worn, contact RCBS and they will have you send the scale to Ohaus (the builder) for maintenance.

Another approach is to contact Scott Parker through 6mmBR.com (sparker). He does tune-ups on some of these scales and can probably help with yours. I doubt that your scale has any fatal problems. I am assuming your scale is the 505 that RCBS supplies in its RockChucker kit.
.
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  #9  
Unread 06-12-2009, 06:47 PM
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Join Date: May 2009
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Re: Looking to upgrade my balance, suggestions?

Get a Redding scale and an RCBS Electronic dispenser scale. Both are great and the RCBS is ALWAYS born out by the Redding.
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  #10  
Unread 06-12-2009, 10:07 PM
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Join Date: Oct 2007
Location: Mountians of SW NC, near Asheville
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Re: Looking to upgrade my balance, suggestions?

"I found out by accident that sometimes there is more at work than just gravity with a balance beam scale. Blowing or moving air of any kind can throw off an accurate measurement. "

There are several external things that can easily affect a scale of any kind, but the things I listed are all that apply to the scale itself.

Unless I missed something in a life time of electonics work in the space and defence industries, copper cannot be magnatised at all. Nor can any other non-ferrous metal, ie, aluminum, brass, zinc, etc.

I agree the RCBS (Ohaus actually) 1010 beam scale is as reliable as they get. Mine is as dead on today as when I pulled it out of the box some 40+ years ago. But, so is my inexpensive Herters of the same period. And the Redddings and Lymans and ECBS 505s I've used. Meaning, they all work quite well and seem to last forever if we don't abuse them.

Think I'm safe in saying no digital scale of any kind will last as long and be as touble free as a beam scale of any reliable reloading brand if they are taken care of equally well.

Last edited by boomtube; 06-12-2009 at 10:16 PM.
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  #11  
Unread 06-13-2009, 12:31 AM
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Join Date: Jan 2002
Location: Wenatchee, WA
Posts: 806
Re: Looking to upgrade my balance, suggestions?

boomtube,

I agree with you about the copper itself not being magnetized... but having had a 10-10 or two over the years, they can and do get 'sticky' - and I don't mean in the area of the knives, but where the paddle gets pulled over to one side and rubs as it passes through the magnets. It may not be magnetic, but most materials (even air) have some degree of reluctance (magnetic resistance) to them - I imagine thats how its able to function as part of the dampening system in the first place. Been a while since I played with mag amps and reluctance motors , but the basic idea is similar.

Monte
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  #12  
Unread 06-13-2009, 07:41 AM
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Join Date: Oct 2007
Location: Mountians of SW NC, near Asheville
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Re: Looking to upgrade my balance, suggestions?

"where the paddle gets pulled over to one side and rubs as it passes through the magnets...."

Milianuk, okay, I see what you mean...I think. But, allowing the dampening padddle (that little copper plate that moves between the magnet's poles) to RUB against anything is simple contact friction, if not blocking, and not a part of the magnetic effect at all. We shouldn't allow that contact to exist. Seems IF the paddle is rubbing it won't be because it was "pulled", it will be because we pushed it so far that it contacts the body. Which would be the user's fault, not the scale's!



"It may not be magnetic, but most materials (even air) have some degree of reluctance (magnetic resistance)...thats how its able to function as part of the dampening system in the first place."

I disagree. Reluctance effects rise from internal eddy currents that occur when a conductive object (that little copper plate on the beam again) passes through a magnetic field. And, that effect ONLY exists while the beam is moving, it has zero effect on the scale when the beam stops. No non-conductive material (that is, no insulator), including air, can develop such eddy counter currents, so no counter field can occur. Meaning no insulator of any kind can experience any reluctance effect when moving through a magnetic field. ???


Nor is static a scale problem, as some have suggested. Our scales are made of materials that don't develop (significant) static charges. And the nature of the materials does make a difference; we can easily produce a static charge on a dry sheet of paper but we cannot produce a static charge on a sheet of damp paper because wet paper is a poor insulator. Nor can we produce any relivant static charge on the beam's components, including the pan.


Not that all this may matter to anyone but you and me! I only take the time to discuss these things because I see on the net that some folks believe magnets have some strange and magic effects that detract from the accuracy or sensitivity of beam scales and choose to get a really quirky digital instead. That's bad choice, IMHO.

Last edited by boomtube; 06-13-2009 at 08:06 AM.
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  #13  
Unread 06-13-2009, 11:25 AM
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Join Date: May 2009
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Re: Looking to upgrade my balance, suggestions?

My $.02 from age 67 is:
This is just getting SILLY. Any good scale from a Lee on up will work fine if you RTFI.
I've had my Redding for 40 years, loaded 10 of 1000s of rounds on it and it still tests (with test weights) 100% on. The whole anal thing about reloading is amusing. It's the "nut behind the bolt" that makes the difference. Spend your time shooting four position at unknown ranges and you'll be a lot more successful hunter than somebody who is weighing his primers, turning necks and generally exhibiting obsessive compulsive behavior.
Go out and buy the new Gun Digest Collectors Guide and read the story by the late Col. Townsend Whelen. He was "America's Rifleman" and probably loaded 10 times the ammo any of us have and certainly killed far more game than most of us will ever see.
Game is actually more plentiful today than when he hunted, yet he managed to be very successful because he knew how to shoot AND how to hunt. While he is often quoted as saying:"Only accurate rifles are interesting.", his standard of hunting accuracy was 1.5-3 MOA. "Minute of Elk" at any ethical hunting range is not the same as trying to win a benchrest shoot.
Get out of the reloading room, off the benchrest and out on foot or horseback into the back country. It's a lot more rewarding!
400 Whelen and a (gasp) slow lock time 03' with a (gasp 2) wood stock, only a 2.5X scope (gasp 3), two stage NM trigger (gasp 4) with a 350 gr "Old X" Barnes lumbering along at 2000 fps at 250 lasered yards. Took a few steps and fell over dead.
1935 technology filled the freezer.

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  #14  
Unread 06-13-2009, 07:44 PM
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Join Date: Oct 2008
Location: SW Montana
Posts: 564
Re: Looking to upgrade my balance, suggestions?

Quote:
Originally Posted by Mr Humble View Post
My $ The whole anal thing about reloading is amusing. It's the "nut behind the bolt" that makes the difference. Spend your time shooting four position at unknown ranges and you'll be a lot more successful hunter than somebody who is weighing his primers, turning necks and generally exhibiting obsessive compulsive behavior.

If I wasn't anal retentive about reloading, I'd have to find a new hobby.

I cleaned the balance and it's a little better now. I will have to see what happens.

There is a reason I want exceptional accuracy out of my gun and it involves a huge mule deer that won't come onto our place. I will need to make a long shot to get him and I want to eliminate as many variables as I can.

Thanks to all who replied.
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