1911/45 wadcutter 1 X14 twist Douglas being born..

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1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/20/2016, 8:08 pm



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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Chris Miceli on 2/20/2016, 8:59 pm

Way cool!  Can't wait for the range report.
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Fire Escape on 2/20/2016, 11:00 pm

Thank You!

My machine operator time was many decades ago and measured in days. Still, I am captivated by the pictures of the work you do. It is light years beyond 'every day' machining and I really appreciate being able to 'work' vicariously through your photographs!

Bruce

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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by HenryA on 2/21/2016, 12:02 am

Oh yes!
Keep it comin'.

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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by s1120 on 2/21/2016, 6:25 am

Not much better then watching chips fly!!!

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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by james r chapman on 2/21/2016, 7:23 am

It reminds me of watching gagemakers and old school toolmakers back in the '70's.

A vastly lost art currently.
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jack H on 2/21/2016, 8:14 am

Would that grease there in the third picture make a good gun lube?  Smile
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/21/2016, 8:44 am

Jack H wrote:Would that grease there in the third picture make a good gun lube?  Smile

Jack, that is old, as in very old,  Lubri Plate that I have had since my military machine gun days of the early 1960s...Smile

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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by fc60 on 2/21/2016, 11:06 am

Greetings Jerry,

What diameter and brand is the barrel blank? Looks like Chrome Moly, am I correct?

Cheers,

Dave

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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/21/2016, 12:55 pm

fc60 wrote:Greetings Jerry,

What diameter and brand is the barrel blank? Looks like Chrome Moly, am I correct?

Cheers,

Dave
Hello Dave
Yes,   it is CM and it's a Douglas 1-7/8 inch  OD
Allows enough stock for the lower lug..
On the 52 I can squeak by with 1-5/16ths OD but,  it just does make it for the lower lug.. No room for a mistake..
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Chris Miceli on 2/21/2016, 12:57 pm

Jerry, what bullets and FPS do you predict will work best with the 1:14 twist?
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/21/2016, 1:54 pm

Christopher Miceli wrote:Jerry, what bullets and FPS do you predict will work best with the 1:14 twist?
I am  thinking that,  lead projectiles will benefit from the enhanced land / groove ratio while traveling in the 690/700 fps range for long line. Although, in the past I had a 14 twist barrel from the same blank, that shot amazing groups with Zero 185 JHP at around 750 fps from the barrel tester. I was told that Zero had a copy of the target on display at Perry that year..
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/23/2016, 10:26 am

Lower lug day..


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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by JayhawkNavy02 on 2/23/2016, 4:14 pm

Jerry Keefer wrote:
Christopher Miceli wrote:Jerry, what bullets and FPS do you predict will work best with the 1:14 twist?
I am  thinking that,  lead projectiles will benefit from the enhanced land / groove ratio while traveling in the 690/700 fps range for long line. Although, in the past I had a 14 twist barrel from the same blank, that shot amazing groups with Zero 185 JHP at around 750 fps from the barrel tester. I was told that Zero had a copy of the target on display at Perry that year..

Jerry do you have a photo you can post of that target?  I've heard rumors of this white unicorn...lol
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/23/2016, 7:56 pm

JayhawkNavy02 wrote:
Jerry Keefer wrote: Although, in the past I had a 14 twist barrel from the same blank, that shot amazing groups with Zero 185 JHP at around 750 fps from the barrel tester. I was told that Zero had a copy of the target on display at Perry that year..

Jerry do you have a photo you can post of that target?  I've heard rumors of this white unicorn...lol
There are 15 shots in that cluster.. It measures .835 approx.  Zero 185 JHP with 4.8 700X mixed random  brass...
 1X14 twist Douglas.
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Chris Miceli on 2/23/2016, 7:57 pm

From barrel tester Jerry?
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/23/2016, 8:11 pm

Christopher Miceli wrote:From barrel tester Jerry?
Yes... Never checked it in  a gun..
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by JayhawkNavy02 on 2/23/2016, 10:56 pm

That's the one!
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Chris Miceli on 2/24/2016, 12:55 pm

I can't wait to see the final product.
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/24/2016, 6:18 pm

Dialed in the upper and lower lug today.. I'll probably shorten the length to two lug width.. Still thinkin..


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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by ChipEck on 2/24/2016, 7:48 pm

Jerry Keefer wrote:
JayhawkNavy02 wrote:
Jerry Keefer wrote: Although, in the past I had a 14 twist barrel from the same blank, that shot amazing groups with Zero 185 JHP at around 750 fps from the barrel tester. I was told that Zero had a copy of the target on display at Perry that year..

Jerry do you have a photo you can post of that target?  I've heard rumors of this white unicorn...lol
There are 15 shots in that cluster.. It measures .835 approx.  Zero 185 JHP with 4.8 700X mixed random  brass...
 1X14 twist Douglas.


Holy cow! Impressive.  Without the picture I am not sure if I would have believed it was possible.  Certainly was not shooting MY reloads. :-)
Chip
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/24/2016, 7:58 pm

Zero told me their ammo test barrels produce very similar or slightly better groups..
My barrel tester is quite robust, so it gives a very good representation of the capability of the barrel.
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/26/2016, 9:37 pm



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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jon Eulette on 2/26/2016, 9:51 pm

Dang......integral cone! Yee haw!
Jon
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

Post by Jerry Keefer on 2/26/2016, 10:01 pm

Jon Eulette wrote:Dang......integral cone! Yee haw!
Jon
I am telling everyone it's a seamless fit..SmileSmile
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Re: 1911/45 wadcutter 1 X14 twist Douglas being born..

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