Have had pretty poor experiences with concentricity guages/correctors (due to the points made in this review)- this one might actually be worthwhile??
New Wheel-Drive Concentricity Gauge from Accuracy One « Daily Bulletin
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Have had pretty poor experiences with concentricity guages/correctors (due to the points made in this review)- this one might actually be worthwhile??
New Wheel-Drive Concentricity Gauge from Accuracy One « Daily Bulletin
Looks the berries.
Nothing wrong with one that you rotate with your fingers.
Sent from my iPhone using Tapatalk. So please forgive my sausage fingers!!!
The one I made out of a V block and dti works fine too R93 but some people like nice things, Blasers and Sakos come to mind ;)
Quote:
Originally Posted by R93
I wasn't having much luck R93. (I think for the reason explained in the article).
-Seemed a bit hit-and-miss in my hands. -was getting varying results, so I lost faith in it and stopped using it.
Yeah I like nice stuff but how do you have problems with a simple run out gauge? sausage fingers?:yaeh am not durnk:
-"V-block" 's a good idea, then rolling the case is less likely to throw the position.Quote:
Originally Posted by veitnamcam
A question:
-I've always assumed we are trying to get concentricity between the case & projectile. But this assumes the bore is cut parallel (concentric) with the chamber??
-Is there any way to check that the bore and chamber are in fact alligned properly?
Salamis :thumbsup:Quote:
Originally Posted by sneeze
Check your fired case
And then cry if it's not what you expected? Better to never know :D
Ah, so the "neck" portion of the chamber couldn't be machined out of allignment to the bore then??Quote:
Originally Posted by veitnamcam
(Humour me- I know next to nothing about machining).
True. But I cant work out how one would have problems with a simple one.Quote:
Originally Posted by veitnamcam
I dont own Blasers coz they are nice. If you seen the state of my rifle it would be obvious.
I own them because they best suit my needs and are extremely practical.
Ok, my F3 is pretty and could be replaced with a cheaper gun, but its the only thing I own thats pretty and does not need to be.
Sent from my iPhone using Tapatalk. So please forgive my sausage fingers!!!
Hahaha- yeah, that's the point I got to:Quote:
Originally Posted by Spanners
-realised I didn't really know 'how much was too much' anyway, and the rounds were shooting better than I can consistently. So it's pretty much stayed in the cupboard since then. :thumbsup:
Yes they can be out of line.Quote:
Originally Posted by James
Very rare on a custom rifle, if you did come across one, the bugger that did it would be a lazy prick.
If you get no case runout on a fired case its a pretty good indication.
There are other ways to test but take a while to explain.
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Yes shouldnt but it can.Quote:
Originally Posted by James
Yeah salamis would make it a bit harder :D
I find the sinclair one very consistant when I can be bothered to use it.
Cheers R93/Sneeze.
Good to know.
Was meaning "nice:" from a design/engineering perspective as opposed to "nice" a picture above your bed lol .
Im not a gunsmith and know piss all about chambering of a barrel, but would have thought it would be more likely for a chamber to be crooked to the bore than say parallel but off of the centerline of the bore.
That's exactly what I meant ;)Quote:
Originally Posted by veitnamcam
If you used lee dies you would not need one!Quote:
Originally Posted by James
I use cheap Hornady dies and I don't need one ;)Quote:
Originally Posted by andyanimal31
I use all sorts of dies and i have a runout guage but this one is shiny , I want one.
AA faultless argument I would suggest!Quote:
Originally Posted by sneeze
Yes, agreed...must be shiny....hahahaQuote:
Originally Posted by andyanimal31
I made this one a while back. It works great, but it only identifies the problem, it wont fix it.
http://i964.photobucket.com/albums/a...1326500424.jpg
If I lightly neck turn all my cases and fire them a couple times, I find that I rarely get a case that is far out. If I do, then it gets marked with a vivid across the back of the case/primer and put to one side for sighters, fouling shots etc...
I did extensive testing on run-out, and to be honest it had very little effect if kept within realistic ranges. Even at the extremes it didn't have enough effect to worry about testing it after initial case sorting/neck turning has been done.
kj
It has always bothered me how you can have 50 to a 100 cases with little or no runout and you get one that wont play the game no matter how many times it has been fired.
Dunno about the accuracy one being a "Breakthrough design" looks a lot like a copy of Ferris Pindell's from the 1970's the Guy that co invented the 6mm ppc
http://i62.photobucket.com/albums/h1...nz/ferris1.jpg
Does anyone use a neco gauge or a neck wall thickness gauge to search for banana'ed cases like this? looks like a major pain in the arse but it makes you wonder how many bowed pieces of brass there are in a bag or box.
All good gear, I remember the old man rolling 303 rounds down a sheet of glass before a big shoot,
The wobly ones went in a tin for pig hunting.