barrel twist question

[mack2255]

My front stuffer has a 1in62 twist how is that better or worse then others?

[Skillet]

She's a roundball shooter for sure - but probably won't stabalize the sabots or heavier conicals very well.

[lonedave]

Patched round ball twist for sure.  What make is it and what caliber?  It can't hurt to try, but I'd say conicals are probably out.  I have never heard of a factory gun with that twist, but custom or semi custom guns can have almost any twist, depending on what the barrel maker is set up for.

[mack2255]

wow call me a dumb ass. Its a great plains hunter 50 cal.Its has a 1in32 twist.so back to the original question?

[teanawayslayer]

round ball or conical only would not shoot sabots well at all.

[teanawayslayer]

wow call me a dumb ass. Its a great plains hunter 50 cal.Its has a 1in32 twist.so back to the original question?

you should be fine with 1:32 to shoot sabot's or powerbelts. 

[bobcat]

From Lyman's site:

The Great Plains Hunter model features a fast, 1 in 32" shallow groove rifled barrel. It's ideal for shooting the many types of modern projectiles available to today's black powder hunter, such as heavier conical bullets and sabots. The Great Plains Hunter has all of the high quality features of our Classic Great Plains rifle. It is also pre-drilled and tapped for the optional 57 GPR receiver sight for the Great Plains rifle

[Hangfire]

That is a little fast of twist for patched roundball, unless deeply cut grooves. Your just going to have to get samples of different projectiles and shoot.

[mack2255]

thanks Bobcat for the info.....

[Kowsrule30]

I'd try conicals or powerbelts before any sabots in that twist and gun..... 

[bobcat]

I'd try conicals or powerbelts before any sabots in that twist and gun..... 

Why?     It's made for shooting sabots. 

[carpsniperg2]

With a 1:32 you should be able to shoot just about everything 1:48 is the twist on a lot of the older guns and thats good for round balls and conicals, then most the newer inlines are 1:28 for sabots and powerbelts etc I would try a few combos and see what it likes best

[Kowsrule30]

I'd try conicals or powerbelts before any sabots in that twist and gun..... 

Why?     It's made for shooting sabots. 

I'm not a fan of sabots at all.... Not that they aren't accurate or dependable.... I'm just a hater..... 

[Hangfire]

There is more than rate of twist in determining how a rifle barrel shoots. The depth of the grooves is important. Patched round ball take a deep groove, or the patch can not grip the rifling, to deep the pressure blows by. Lead conicals take a shallow groove, or the pressure blows by. I do not know about sabots. A general rule of thumb is:
 1-72 twist, deep cut rifling, patched ball.
  1-48 and a little shallower groove, a compromise for conical and patched round ball.         Much of the earlier T.C. guns like this.
  1-32 and faster is conical.
Exceptions are like what I have on my .36 cal. flintlock. A 42 inch barrel starting at 1-72 and accelerating to 1-36, moderately deep cut. Extremely accurate patched roundball.

There are other factors such as straightness of barrel, smoothness of rifling, consistency in hole diameter. Diameter near the end of barrel etc. All the stuff said on this thread is not going to determine how the barrel shoots. You are going to have to try different projectiles, Types of powder, powder charges and even caps to get the optimum accuracy.

[Whitelightning]

There is more than rate of twist in determining how a rifle barrel shoots. The depth of the grooves is important. Patched round ball take a deep groove, or the patch can not grip the rifling, to deep the pressure blows by. Lead conicals take a shallow groove, or the pressure blows by. I do not know about sabots. A general rule of thumb is:
 1-72 twist, deep cut rifling, patched ball.
  1-48 and a little shallower groove, a compromise for conical and patched round ball.         Much of the earlier T.C. guns like this.
  1-32 and faster is conical.
Exceptions are like what I have on my .36 cal. flintlock. A 42 inch barrel starting at 1-72 and accelerating to 1-36, moderately deep cut. Extremely accurate patched roundball.

There are other factors such as straightness of barrel, smoothness of rifling, consistency in hole diameter. Diameter near the end of barrel etc. All the stuff said on this thread is not going to determine how the barrel shoots. You are going to have to try different projectiles, Types of powder, powder charges and even caps to get the optimum accuracy.

 

[Curly]

1:32 is sort of an oddball twist.  You just don't hear of many barrels with that twist..........probably the reason for the question, I assume.  Most barrels today you hear about are 1:28.  Both are made for conicals and sabots.

The 1:32 twist is likely to shoot lighter bullets a little better than a 1:28 twist barrel would shoot lighter bullets........that is what I suspect the difference would be between the 1:32 and 1:28 barrels.  If you like lighter bullets, the 1:32 may be a better choice than 1:28.........

This chart is a good reference:  http://www.prbullet.com/chart.htm

[mack2255]

Well I guess its seem I need to go shoot this boom stick alot.Thanks for all the input.Know if I could find a set of used peep sights or anything better then the stock sights cheap.being the only worker in the family its hard to spend money on things that are not a must to have(according to the wife).If anyone has a good used set please let me know.

Thanks all
Richard