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Re: .1 vs .02 digital scales
[Re: TackDriver]
#6323113
06/05/16 01:36 AM
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Joined: Nov 2007
Posts: 9,518
RiverRider
THF Trophy Hunter
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THF Trophy Hunter
Joined: Nov 2007
Posts: 9,518 |
I think everyone would like to know how to measure it. I sure as heck don't. Some think you can measure ID or OD on a sized case to determine it, but I beg to differ. You cannot measure the elasticity of the neck, and that is what you'd need to know in addition to any measurement of dimension. I think the best you can do is anneal your cases every third firing or so.
But wait...now I recall some kind of gadget you can use to measure the effort required to seat a bullet. I guess if you're anal enough to screen or sort handloads based on that, you might get somewhere. Personally, not for me. We all have a limit as to how far we'll go and that is beyond my limit.
"Arguing with you always makes me thirsty." -Augustus McRae
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Re: .1 vs .02 digital scales
[Re: redchevy]
#6323156
06/05/16 02:04 AM
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Joined: Dec 2008
Posts: 41,164
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,164 |
How many people loading on a scale accurate to +/- 0.1 grains have a load that is under 20 fps ES?
I don't even have a chronograph, just curious to know. .22-250 -H-Varget 6.5 Creedmoor -H-4350 7mm-08 -H-Varget .308 Win -H-Varget, IMR 8208 7 Rem Mag -H-Retumbo .300 Win Mag -H-1000 (friend I load for) All loaded on a Chargemaster, and all have an ES of 20 or less for five consecutive shots. I agree with Chad that powder charge is "the" most important factor, and I agree that a load accurate to the kernel is better than a load accurate to .1 gr. I would have a scale that was accurate to the kernel if I could afford it. But my theory is that because I ladder test, followed by group shots at 300-500 yards, every rifle, I find a load that allows me the .1 gr swing and still shoot well. The ladder test and Chargemaster have produce very tiny groups when punching paper, as well as have hit center day in and day out every week of the year, at short, medium, and long range. I make the scale I have work for me. I'll say again, if I could afford a Prometheus I would have one. But land, range, tractor, skidsteer, implements, office to build, ect. means that money is better spent elsewhere.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: .1 vs .02 digital scales
[Re: RiverRider]
#6323246
06/05/16 03:10 AM
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Joined: Jan 2009
Posts: 19,237
Judd
#1 Creedmoor Fan
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#1 Creedmoor Fan
Joined: Jan 2009
Posts: 19,237 |
I think everyone would like to know how to measure it. I sure as heck don't. Some think you can measure ID or OD on a sized case to determine it, but I beg to differ. You cannot measure the elasticity of the neck, and that is what you'd need to know in addition to any measurement of dimension. I think the best you can do is anneal your cases every third firing or so.
But wait...now I recall some kind of gadget you can use to measure the effort required to seat a bullet. I guess if you're anal enough to screen or sort handloads based on that, you might get somewhere. Personally, not for me. We all have a limit as to how far we'll go and that is beyond my limit. That it's exactly how you dio it....21st Century and K&M both make an arbor press with pressure gauges on them. I have both and they work great and equally as well. I'm convinced it, measuring powder charges to.02 and annealing after every firing help me be competitive. Not everyone needs to go through all that though.
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
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Re: .1 vs .02 digital scales
[Re: TackDriver]
#6323354
06/05/16 05:31 AM
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Joined: May 2014
Posts: 1,100
TackDriver
OP
Pro Tracker
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OP
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Joined: May 2014
Posts: 1,100 |
I was not able to find the MXX-123 scale, would anyone lead me to the right place to look on the net for a .02 scale on a 400 to 600 dollar budget? I just cannot afford the Prometheus. Thanks
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Re: .1 vs .02 digital scales
[Re: TackDriver]
#6323455
06/05/16 12:46 PM
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Joined: Mar 2009
Posts: 4,423
jeffbird
Extreme Tracker
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Extreme Tracker
Joined: Mar 2009
Posts: 4,423 |
FJG, use the Chargemaster to throw 0.2 gr under and then finish with an Omega trickler and a Redding beam. It is sensitive to the kernal with Varget and quick too. Using the beam is eye opening in showing the inconsistency of the Chargemaster scale, which can drift up to 0.3 over a session of even just 50 - 100 rounds. With any of these scales or beams, watch out for A/C vent drafts which definitely effects the measurements.
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Re: .1 vs .02 digital scales
[Re: TackDriver]
#6323505
06/05/16 01:51 PM
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Joined: Jan 2009
Posts: 19,237
Judd
#1 Creedmoor Fan
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#1 Creedmoor Fan
Joined: Jan 2009
Posts: 19,237 |
Big Stan - Check out the AND FX-120i...If you order from Cambridge in Canada and catch the exchange rates when they are favorable you can get it under $500. I really like mine, it's been a great scale.
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
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Re: .1 vs .02 digital scales
[Re: jeffbird]
#6323586
06/05/16 03:15 PM
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Joined: Dec 2008
Posts: 41,164
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,164 |
FJG, use the Chargemaster to throw 0.2 gr under and then finish with an Omega trickler and a Redding beam. It is sensitive to the kernal with Varget and quick too. Using the beam is eye opening in showing the inconsistency of the Chargemaster scale, which can drift up to 0.3 over a session of even just 50 - 100 rounds. With any of these scales or beams, watch out for A/C vent drafts which definitely effects the measurements. I need to buy a beam scale anyway. Never have owned one. I half wanted it for prepper purposes. Don't need any electricity, at all to load ammo that way. I have a Redding trickler, and I thought it was a good tool. I may do what you suggested just for competition purposes. It'll really slow down the loading process, but it'll produce slightly more consistent ammo. Or just go to Judd's house and use his Prometheus.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: .1 vs .02 digital scales
[Re: Judd]
#6326040
06/07/16 01:15 PM
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Joined: May 2014
Posts: 1,100
TackDriver
OP
Pro Tracker
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OP
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Joined: May 2014
Posts: 1,100 |
Big Stan - Check out the AND FX-120i...If you order from Cambridge in Canada and catch the exchange rates when they are favorable you can get it under $500. I really like mine, it's been a great scale. Thanks Judd, its on order.
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Re: .1 vs .02 digital scales
[Re: TackDriver]
#6334940
06/14/16 06:49 PM
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Joined: Sep 2009
Posts: 18,942
ChadTRG42
THF Celebrity
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THF Celebrity
Joined: Sep 2009
Posts: 18,942 |
Here's how I load my single stage ammo and the powder within .02 grains. This shows my set up and how I load my custom ammunition with my single stage set up. This was our first video take and I'm thinking I want to redo it to smooth it out in a few spots.
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Re: .1 vs .02 digital scales
[Re: TackDriver]
#6335173
06/14/16 09:45 PM
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Joined: May 2014
Posts: 1,100
TackDriver
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