Forum: Technical Questions & Information
09-17-2012, 07:00 PM
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Replies: 10
Views: 498
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Forum: Technical Questions & Information
09-14-2012, 11:08 PM
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Replies: 10
Views: 498
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Forum: Technical Questions & Information
09-14-2012, 10:58 PM
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Replies: 10
Views: 498
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Forum: Technical Questions & Information
09-13-2012, 01:41 AM
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Replies: 10
Views: 498
Springfield rifles in the 1890s, case hardening
I have seen a photo of a Krag carbine museum piece in nearly new condition. I like the color of the receiver. It is case hardened in blue & black, but the blue is dark. All other case hardening I...
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Forum: Competition Shooting Forum
09-08-2012, 12:52 AM
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Replies: 8
Views: 663
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Forum: The Ammo & Reloading Forum
09-06-2012, 01:03 PM
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Replies: 20
Views: 747
Re: Greenhill or Miller?
Hi Archie,
Using bullet length.895 from the new forum length list http://www.thefirearmsforum.com/showthread.php?t=112533 the Miller calculator http://www.jbmballistics.com/cgi-bin/jbmstab-5.1.cgi...
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Forum: Competition Shooting Forum
09-06-2012, 12:25 PM
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Replies: 8
Views: 663
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Forum: The Ammo & Reloading Forum
09-04-2012, 08:34 AM
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Replies: 20
Views: 747
Re: Greenhill or Miller?
I did Dan’s recommendations on his Q&A page. Thanks LD.
I already knew that bullet stability is measured in rpm, what I am asking is which calculator best expressed how much rpm we need.
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Forum: Competition Shooting Forum
09-04-2012, 07:57 AM
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Replies: 8
Views: 663
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Forum: The Ammo & Reloading Forum
09-02-2012, 07:13 AM
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Replies: 20
Views: 747
Re: Greenhill or Miller?
Yeah, but I aint learnin nuthin.
You guys don't have any more money than I have. I thought someone here would have experimented with rebarreling his rifle several times; say a 30 cal with 10, 12,...
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Forum: Competition Shooting Forum
09-02-2012, 07:05 AM
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Replies: 8
Views: 663
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Forum: Competition Shooting Forum
09-01-2012, 07:46 AM
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Replies: 8
Views: 663
Which Matches are in Eric England's Aggregate?
I have heard that Eric England USMC, is the undefeated U.S. rifle champion since 1968, with a score of 0.998
I have been trying to learn what this means, but am not finding the right web site. ...
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Forum: The Ammo & Reloading Forum
09-01-2012, 04:52 AM
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Replies: 20
Views: 747
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Forum: The Ammo & Reloading Forum
08-31-2012, 03:21 AM
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Replies: 20
Views: 747
Re: Greenhill or Miller?
How do you know?
That is what it calculates to. But what I am asking is: Does anyone challenge this black powder era calculator to see if it is asking for more twist than smokeless velocity bullets...
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Forum: General Discussion
08-29-2012, 07:46 AM
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Replies: 0
Views: 137
Elmer Keith’s reading list?
I do not see a ‘Library’ forum here, so I will post this in General.
We know what Elmer Keith wrote in his magazine articles and books, but I do not remember ever hearing mention of his library or...
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Forum: The Ammo & Reloading Forum
08-29-2012, 06:13 AM
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Replies: 20
Views: 747
Re: Greenhill or Miller?
Miller says in his opening Summary “I compare how well such rules fit actual experimental data for 14 bullets at various velocities (40 examples.)”
“actual experimental data” I could not find that...
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Forum: The Ammo & Reloading Forum
08-29-2012, 03:07 AM
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Replies: 20
Views: 747
Re: Greenhill or Miller?
Archie,
The Miller paper is here http://www.jbmballistics.com/ballistics/bibliography/articles/miller_stability_1.pdf
That JBM site has several Ballistics papers on this page...
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Forum: The Ammo & Reloading Forum
08-28-2012, 05:43 AM
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Replies: 20
Views: 747
Greenhill or Miller?
Which rifling calculator do you find best represents the truth of bullet stability?
Greenhill which calls for a faster pitch
http://kwk.us/twist.html
Or Miller which suggests a much slower...
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Forum: The Ammo & Reloading Forum
08-28-2012, 05:34 AM
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Replies: 7
Views: 425
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Forum: The Ammo & Reloading Forum
08-26-2012, 04:38 AM
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Replies: 7
Views: 425
Bullet Length List?
Is a list online of bullet lengths so I might use a rifling calculator to determine the necessary pitch for stability without first buying a box of bullets to measure one?
I tried the websites of...
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Forum: The Ammo & Reloading Forum
08-26-2012, 12:13 AM
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Replies: 10
Views: 758
Re: Who sells the CH Champion press?
LDBennett, Thank you for the report on the quality of the CH company. They sound like a good outfit, if a little undermanned for the amount of work they are asked to do.
Brian
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Forum: The Ammo & Reloading Forum
08-23-2012, 01:20 AM
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Replies: 10
Views: 758
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Forum: .22-Rimfire Forum
08-21-2012, 10:31 PM
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Replies: 3
Views: 460
Re: Stevens Model 12 MARKSMAN
Thank you Jack.
I have seen a shotgun version that used the 44-40 Winchester cartridge loaded as a shotshell. This leads me to wonder if they were also built as 44-40 rifles.
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Forum: .22-Rimfire Forum
08-20-2012, 11:41 PM
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Replies: 3
Views: 460
Stevens Model 12 MARKSMAN
Does anyone here have (or had) one of these? What is your opinion of it's shooting qualities? I like it for it's appearance as seen in photographs, but know nothing of it's functionality.
Were...
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Forum: The Ammo & Reloading Forum
08-20-2012, 11:24 PM
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Replies: 10
Views: 758
Re: Who sells the CH Champion press?
I was greatly surprised to hear this. I have seen their presses advertised in the back of the gun magazines since I was a boy in the 1960s. I always thought they were a mass production company the...
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Forum: The Ammo & Reloading Forum
08-20-2012, 07:31 PM
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Replies: 10
Views: 731
Re: Superior Powder Measure Design?
That Harrell measure is sure fancy looking with it's polished body. RealGuns http://www.realguns.com/Commentary/comar63.htm did not find it to be more accurate than an RCBS Uniflow, except in the...
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Forum: The Ammo & Reloading Forum
08-20-2012, 07:11 PM
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Replies: 2
Views: 250
Re: Block O frame orientation
In the eighth edition John Amber's Handloader's Digest from 1978, it is right handled. The letters spelling BONANZA are correct so the photo is not reversed. This is the only picture I have seen....
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Forum: The Ammo & Reloading Forum
08-19-2012, 01:24 PM
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Replies: 10
Views: 758
Who sells the CH Champion press?
I see Midway, Sinclair, Midsouth and Graf do not sell the CH brand presses. Can you tell me a place to get a good buy on the CH model Champion press?
CH says this press can take 1 inch dies in...
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Forum: The Ammo & Reloading Forum
08-19-2012, 05:30 AM
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Replies: 2
Views: 250
Block O frame orientation
The Bonanza 68 press turned the O frame sideways to get the tie down bar out of the operator's way. Why did this pattern not replace the original arrangement? Does it only appear better? Is it...
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Forum: The Ammo & Reloading Forum
08-18-2012, 10:00 PM
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Replies: 10
Views: 731
Re: Superior Powder Measure Design?
Me too. This is mostly a challenge to me; a puzzle to see if something better can be done.
This I did not know. If existing measures are good enough, then my experiment becomes merely a bit of...
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Forum: The Ammo & Reloading Forum
08-17-2012, 12:26 AM
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Replies: 10
Views: 731
Re: Superior Powder Measure Design?
My Powder Measure Design
Inaccuracy seems to come partly from using gravity feed. I may use a horizontal hopper pouring into a visible metering chamber by means of a screw augur or a conveyor...
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Forum: The Ammo & Reloading Forum
08-16-2012, 01:26 AM
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Replies: 10
Views: 731
Re: Superior Powder Measure Design?
Hello, aa1911. Thank you for the reply.
I am not a professional machinist, but would like to be a hobby machinist. I learned some of the use of the lathe and vertical mill in High School in the...
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Forum: Technical Questions & Information
08-16-2012, 01:05 AM
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Replies: 28
Views: 1,200
Re: Rail Gun
If I understand correctly, there are two varieties of Rail Gun. One uses nonferrous projectiles and the other uses iron so they can be magnetically driven.
I saw the first type demonstrated on a...
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Forum: The Ammo & Reloading Forum
08-16-2012, 12:21 AM
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Replies: 10
Views: 731
Superior Powder Measure Design?
After reading that some powder measures throw charges more accurately than others, I am thinking of trying to design and build one. Could some of you who have tried several different models tell me...
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