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An Extended Treatise on How the Bloody Fuck a Single Round of M193 Can Penetrate Some Armor That Is Proof Against Multiple Strikes of M61 AP

 

http://catdir.loc.gov/catdir/samples/cam031/2001043623.pdf

 

Article discussing Adiabatic Shear, which Colli and I discussed yesterday. 

 

I'll read it tomorrow when I'm coherent. 

 

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A tidbit from Andrei Ulanov

 

139485_600.jpg

 

The precision of the MKb 42(H) at ranges of 100, 300, and 500 meters is 1.5 times worse than that of the American M1 carbine.

 

In automatic fire, the precision of the MKb 42 (H) is unsatisfactory (a burst can't be caught by a 1.5 x 1.5 meter target at 100 meters).

 

The reliability of the automatic mechanism has not been determined.

 

The design of the sample is complex, but the widespread use of stamped parts deserves attention.

 

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20 minutes ago, EnsignExpendable said:

A tidbit from Andrei Ulanov

 

139485_600.jpg

 

The precision of the MKb 42(H) at ranges of 100, 300, and 500 meters is 1.5 times worse than that of the American M1 carbine.

 

In automatic fire, the precision of the MKb 42 (H) is unsatisfactory (a burst can't be caught by a 1.5 x 1.5 meter target at 100 meters).

 

The reliability of the automatic mechanism has not been determined.

 

The design of the sample is complex, but the widespread use of stamped parts deserves attention.

 

 

The Germans had similar complaints about the design.

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On 10/12/2016 at 11:14 PM, Sturgeon said:

An Extended Treatise on How the Bloody Fuck a Single Round of M193 Can Penetrate Some Armor That Is Proof Against Multiple Strikes of M61 AP

 

My guess would have been the simple combination of small diameter, decent sectional density and high velocity.

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On 11/7/2017 at 10:14 AM, 2805662 said:

http://dspace.dsto.defence.gov.au/dspace/bitstream/1947/3812/1/DSTO-GD-0003 PR.pdf

 

analysis on what different muzzle devices do to shot dispersion: FN Minimi. 


The US Army tried to duplicate the Aussies' results and couldn't. 
 

"Flash Suppressor Comparisons and Analysis for the F89 and M249 Machine Guns"  February 1993

http://www.dtic.mil/dtic/tr/fulltext/u2/a263086.pdf

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On 11/20/2017 at 9:32 PM, Sturgeon said:

Bunch of G11 docs at the SAR archive (gotta search "G11" sadly).


The ACR trials final summary is also there.  It describes all of the candidates, even those that didn't make it to the trials.  Mind you, there are two copies; one is a crappy photocopy, while the other looks like it was scanned from an original.  I think this is the correct one.

"Advanced Combat Rifle (ACR) Program, Volume I, ACR Program Summary" February 1992
https://www.smallarmsreview.com/archive/detail.arc.entry.cfm?arcid=S00440

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8 minutes ago, D.E. Watters said:


The US Army tried to duplicate the Aussies' results and couldn't.  Let me see if I can find it on DTIC.

Interesting. I’ve worked with Chris Wachsberger over the years - this is the same guy that spend years trying to get unitary vision/1x optics on every weapon as “only binoculars can be used to acquire targets”. 

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Sturgeon's SAW post on TFB got me thinking about the XM248 and an idea of mine. Here are a few relevant XM248 documents and links. Somebody needs to find one and give Ian a call.

 

Ford Aerospace XM248 Technical Manual

 

XM235 '461 Patent

 

XM235 '074 Patent

 

Weaponsman Links:

 

XM235: http://weaponsman.com/?p=11494

 

XM248 - Part 1: http://weaponsman.com/?p=11558

 

XM248 - Part 2: http://weaponsman.com/?p=11661

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