[IM390]

All things being equal, gun, load, etc. which has a shorter shot string a full choke or a modified choke?

 

[Carol Lister]

The primary cause of shot stringing is reported to be deformed pellets, so it stands to reason that the tighter the choke, the more deformed pellets are created and the longer the shot string.

http://www.shotgunreport.com/TechTech/TechnoidArchive/24-Jul-06.pdf, page #2

Carol Lister

 

[Neil Winston]

. . . however, full-choke shot strings are shorter than cylinder-choke shot strings at any range beyond about - as I remember - 18 feet.

Keep in mind, however, that for trap shooting shot strings are irrelevant, and if they weren't, we'd be worse off than we are.

Neil

 

[hmb]

Is it true that the longer the shot string, the better the shot string is for shooting trap. HMB

 

[crusha]

According to Brister, the most significant variable in shot string length is _not_ deformed pellets...these are considered "lost" from the pattern at any significant range, and play very little to no role in breaking targets. His work concluded that initial air resistance is the most significant variable...the more pellets that can be at least partially shielded from maximum air resistance for the longest time, the shorter the string will be. Hence, his empirical data showing that at target breaking distances, Full choke has the shortest strings. The group of pellets is "packed" together like billiard balls in a triangle as it comes through the choke, and this tightly-clustered group shields more pellets from the full brunt of air resistance, for a longer time.

 

[phirel]

Some simple arithmetic will demonstrate that shot string has no role in either breaking or missing a target. A 10' shot string will pass a target before the target can travel more than a couple of inches. Target speed at 30 yards is about 35 MPH. This can quickly be changed to ft/sec (5280 X 35 /12 X 3600). If the shot has slowed to 1000 ft/sec and the string is 10 feet, things get very simple. Remember, the target is not going at a right angle to the shooter.

Pat Ireland

 

[Neil Winston]

No, in theory anyway, hmb. Shorter is better. In practice, of course, it's irrelevant since you can't do anything about it anyway.

Neil

 

[Frank C]

Maybe Welderman can repost his slo-mo video that he took at the club last year? How bout it Tom? Not sure if it is still in the archives

 

[Frank C]

search for the July 15th 08 post by Welderman for the vid

 

[RickM18]

If the shot string means nothing why not shoot trap with slugs?

 

[Paladin]

Without a shot string, I would think the breaks would be entirely different. Not saying more or less, just different. From the pictures previously posted here, with a shot string, the leading pellets break the target and the trailing pellets hit the dispersed target pieces creating quite a smoke ball in some cases. Trap wouldn't be quite as spectacular without a shot string.

 

[crusha]

Geezus...I can see a lot of people flunked high school geometry here.

 

[Paladin]

Don't be bashful buzz-gun, elaborate.

 

[Paladin]

It's long, 8 to 10 feet, from tests posted here.

 

[Neil Winston]

You are sure they were tests, Paladin?

Neil

 

[Paladin]

You tell me Neil. You had referenced the tests. The info came from one of your posts.

Edit) You had referenced the length, in one of your posts.

 

[Hap MecTweaks]

Yeah and in high school all the math teachers always said that pie r square!! That's the biggest crock O crap I ever heard, pie r round, cornbread r square! gheesh, so much for teachers!

Hap

 

[Shady Creek]

Well shot string might not get any targets but on a hard left,I get a chip on the left edge,,,,,,I have to think I hit it with the tail end of my shot string...

Years ago there was a fellow that measured shot string with a station wagon and a boat trailer with about 16 feet of cardboard affixed. I think it was,40yds,40mph,and to get all the shot on the cardboard,the lead was the back of the car.(too risky for my blood) So I guess,you can miss a little in front but not a bit behind,yes..

About a year and a half ago I sent to some folks a little program that showed perceived and actual lead. Seems that a 35mph target with shot going 1000 feet per second,a 90 degree target and a 35 degree target have the same actual lead,but not perceived lead. Whiz and Devi were two that I sent it to.

GOOD LUCK

 

[Phil Kiner]

Check out the video that Rickn posted for me on the "reading breaks II" thread.
I think this video should change a lot of theories about string length.

 

[Jawhawker]

A full cohoke will have a shorter shot string than modified from the little that I know. The old belief seemed to be the opposite. The original barrel guru Tom Seitz was the first that convienced me of this theory. He did tests to prove such. I have no idea where the data is now.