Could a faster twist be more versatile
12-11-2011, 02:41 PM
#2
Nontypical Buck
Join Date: Dec 2009
Location: Yucca Valley,Ca
Posts: 2,496
Let me explain the question. I have guns of all imaginable twists. The most common is of course 1:28 for inlines. I have had to work up a load for each rifle. Some like 90 some 100 ,120,etc gr of powder. You all know what I mean. The right combo exhibits great groups. More or less powder and they open up.
Well in testing the 1:20 twist I have only tried 90 and 100 gr of Blackhorn and both shot good groups. Someone else has been trying the 1:20 with 120,130, and 140 gr of powder. All shot great groups. Hence the question. Could a fast twist be less finicky about powder?
Certainly looks like a possibility but only time will tell.
Just a thought.
Well in testing the 1:20 twist I have only tried 90 and 100 gr of Blackhorn and both shot good groups. Someone else has been trying the 1:20 with 120,130, and 140 gr of powder. All shot great groups. Hence the question. Could a fast twist be less finicky about powder?
Certainly looks like a possibility but only time will tell.
Just a thought.
time will tell and i hope Knight tests my theory out by introducing a 1:24 .45 cal
12-11-2011, 02:59 PM
#3
Giant Nontypical
Join Date: Nov 2005
Posts: 6,585
Twist is a mechanical thing with the same limits for each twist the combination of bullet length and bullet speed are the controlling factors.
There is also the fact that people try what is available there are not many that make there own jacketed bullets and lead bullets have very specific limits.
One thing that people do not realize is that many bullets that are close to the optimum length can have as many as 3 different loads where they will shoot accurately, it has to do with barrel whip and when the barrel come back to strait on.
There is also the fact that people try what is available there are not many that make there own jacketed bullets and lead bullets have very specific limits.
One thing that people do not realize is that many bullets that are close to the optimum length can have as many as 3 different loads where they will shoot accurately, it has to do with barrel whip and when the barrel come back to strait on.
12-11-2011, 03:17 PM
#6
Giant Nontypical
Join Date: Nov 2005
Posts: 6,585
builder I have to agree with the 1-24 twist giving the widest range of options wit the bullet lengths and the speeds that can be developed with the powders now available.
The ideal length for a bullet to be shot through a 1 in 24 twist at 1600 to 2400 FPS is 1.25. You must also understand that it takes 1/3 more RPM to over stabilize a bullet the to under stabilize. Also that the idea that you can not over stabilize is a wives tale.
The bullets available and the velocities we can develop are a combination that would make a 1 in 24 twist slightly better for 50 caliber as well as 45 because a lot of people like to use the smallest amount of powder they can and still get good accuracy.I like the 1 in 28 because I like to get the max velocity I can with max accuracy.
The ideal length for a bullet to be shot through a 1 in 24 twist at 1600 to 2400 FPS is 1.25. You must also understand that it takes 1/3 more RPM to over stabilize a bullet the to under stabilize. Also that the idea that you can not over stabilize is a wives tale.
The bullets available and the velocities we can develop are a combination that would make a 1 in 24 twist slightly better for 50 caliber as well as 45 because a lot of people like to use the smallest amount of powder they can and still get good accuracy.I like the 1 in 28 because I like to get the max velocity I can with max accuracy.
