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Joined: Nov 2015
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Hal Offline
Sidelock
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Sidelock

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In the late '60's,VM choked my lightweight Dewson 10 bore that the old RR engineer I got it from said belonged to a cook at Teddy Roosevelt's ranch and had been used in New York on passenger pigeons. VM's shop was an easy drive from my place. Anyway, I was very pleased with the results. I won a trapshoot with the gun and shot some sharp-tailed grouse with it, but mainly used it for pass shooting waterfowl.

4 1/2 dr. fG and 2 oz Lubaloy 4s would really reach up there.
I remember one shot in particular at the Salt Lake Pass when three redhead drakes fell belly up inside a 20 ft circle. I heard one guy on the pass yell "What the hell was that?" when he saw the big plume of smoke and the birds rained down!

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Sidelock
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I do not think having a short recess in a jug choke is detrimental to it's performance. In my experience, a little longer than the shot column will produce tight and even patterns right up to full choke. Having jug choked well over 100 barrels, I have not found it necessary to go longer than this.

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Thanks for all the replies.

SRH


Drinking from my saucer, 'cause my cup has overflowed .......
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Hal Offline
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Mike how do you measure the shot column when it nears the end of the barrels? I looked at VM's reamers and they looked to be 4-5" long, but distance between the tapers may have been much less.

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Hal Offline
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Brought this old thread back up as I found this old picture of V.M. and me at his shop in 1968.

[img][IMG]https://www.jpgbox.com/jpg/60057_600x400.jpg[/img][/img]

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Sidelock
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Hal, the only way of doing it is with adjustable reamers, at least that's what I use, and they're all 4 to 5" long. They only get larger in one spot so it's necessary to move them back and forth the distance necessary to open up the barrel the correct length. Did I make any sense ?

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Sidelock
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Stan, e mailing you a copy of VM Starrs discussion.
Anyone else need it, send me a note to l.stallones@centurytel.net

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Sidelock
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Thanks, Leighton. Will read it now.

SRH


Drinking from my saucer, 'cause my cup has overflowed .......
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Sidelock
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I am quoting from V.M. Starr "The Muzzle Loading Shotgun its care and use" from page 2 " I have choked the old gun to shoot 80 per cent patterns in either barrel to reach up after passing ducks, wide flushing pheasants and wise old crows that come to the call high up where they think they are safe but seldom are."
V.M. calls his 11 bore Wm. Moore Sue Betsy. A fun read.
Dave

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Sidelock
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Mike, I have never cut a jug choke or patterned one. Don't even own one. However, I have some fairly strong ideas of how choke works. I'll opine that a jug choke will work just like a normal choke if the constrictions are the same. I'd expect that failure of a 2" jug comes from failing to get sufficient constriction. It takes a thick wall to give up 0.030" diameter near the muzzle.

On the breach end of the jug, what sort of transition do you cut from bore diameter to jug diameter? Short taper, long taper, more or less a step?

DDA

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