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Barrel length to velocity/sd lead and copper solids

I didnt expect anything else 🤣 justin! In ammo quality making the difference and how accurate a 22lr really is relating to long range we are in complete agreement.
Long barrel short barrel which is more accurate is a pointless argument.
But Tunability and velocity is of interest to me. Yes velocity spread is just a small part of the ammo equation and there are other factors that affect velocity besides barrel length.
 
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Is there a relationship between the MV of these handloads and accuracy? That is to say, is the accuracy of these affected by MV?
 
Geno C. said:
The first sentence is false
Click to expand...
Why would shooters choose different powders ? , bullet weights? or profiles? and barrel lengths then? It all depends on what your trying to achieve I use all 28.5" of my custom built 257 weatherby mag to reach max veloicty by burning slower larger doses of powder for a longer lenght , right up to the end of the barrel. Basically to be efficient you use everything to the end , shy of that your dragging down the bullet in excess your burning up the air.
 
Rimdenter said:
Why would shooters choose different powders ? , bullet weights? or profiles? and barrel lengths then? It all depends on what your trying to achieve I use all 28.5" of my custom built 257 weatherby mag to reach max veloicty by burning slower larger doses of powder for a longer lenght , right up to the end of the barrel. Basically to be efficient you use everything to the end , shy of that your dragging down the bullet in excess your burning up the air.
Click to expand...
A 29” would be faster than the 28.5. And a 30 faster than that.

You’re getting way off topic though
 
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I’d like to see this thread back on track, even if it is possible that I threw the switch. I think that it certainly won’t hurt to see this test through and I’d personally like to see the data and results.

Try to remember that Geno’s primary purpose for this is to get results with respect to the hand loaded (with powder) ELR solids he’s developing. All of everyone else’s experience with lead projectiles in .22 rimfire are likely not relevant to this.
 
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First inch removed. My already damaged magnetospeed stopped working so I had to wait for a friend to bring a replacement.
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second inch gone. Have to run to the shop because I don’t have a bandsaw here. I don’t really care for using a parting tool.
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You are cleaning up the crown after cutting right?
 
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just shot my first 10 solid coppers a cutting edge 133 gr bullet using 41.5 h 4350 I was shocked they were traveling 2852 out of my 26'' Bartlein 1/8 twist barrel compared to the hornady 140gr that with the same load only went 2731 so I should not bet that surprised . I had had problems with the gas ring cutting edge adds to there bullets , but after removing a alignment sleeve on the Frankford arsenal universal dies I was able to use a window to see exactly when to stop pressing and they worked pretty good not sure over the cost of normal lead ammo but in a pinch its a bullet . I guess it all depends on what is worth to you , while I am mostly happy over how they worked again it boils down to price to me .
 
It should. Just making sure there were no burrs to mess up any of the data.
 
Didn’t notice but sorry I asked. Didn’t know you would get so worked up over it.
 
Glad I could bring some humor to your night by asking a pertinent question but sorry to offend you oh master of all. LOL
 
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Doubt there’s enough pressure in there to do more than blow a case. The rimX handles that pretty well too.
0AFC9EAF-3030-463E-9524-220E4B12D8C7.jpeg
 
Geno C. said:
It’s full of cutting oil and filings. It’s pretty clear it’s not a straight cut
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Indeed. I'm not taking a position but simply noting that appearances can be deceiving. Some might have expected the end facing up, the previously crowned end, to have appeared without filings or oil.
 
grauhanen said:
Is this what prompted the question?

Appearances can be deceiving, but perhaps the question was understandable.

Click to expand...

Not worth it. Just avert your eyes, bow to the all knowing and move on. Don’t ask any questions. LOL
 
Have you considered sending one of those 1" drops to cutting edge and asking them to cut a batch of projectiles tuned to your bore size?

I know Warner tool offered this for the flat lines & I'd think the exact size match for solids to a RF bore would possibly be more critical then center fire stuff.

My thought is if there tight you may wind up around 17" for optimal velocity, however if projectile size was tuned or loosened a bit you may be able to push longer on barrel length? .0001-.0002 could make a pretty big difference on RF I would think.
 
357Max said:
Have you considered sending one of those 1" drops to cutting edge and asking them to cut a batch of projectiles tuned to your bore size?

I know Warner tool offered this for the flat lines & I'd think the exact size match for solids to a RF bore would possibly be more critical then center fire stuff.

My thought is if there tight you may wind up around 17" for optimal velocity, however if projectile size was tuned or loosened a bit you may be able to push longer on barrel length? .0001-.0002 could make a pretty big difference on RF I would think.
Click to expand...
Lol, cutting edge stuff is not as consistent as this bullet. Have you ever seen their surface finish on their bullets?
 
Nope, I never bought any of their stuff.
Guess I falsely assumed that was what you were running.

The point I was trying to make still applies unless of coarse your 3 steps ahead (very likely) & have already played with tuning the pills to the bore size.

I'd be very interested to see the effect of a 1 - 3 Ten Thousands bullet diameter change on velocity.

Your definitely wading into a niche that has a lot of room for learning and innovation.
 
357Max said:
Nope, I never bought any of their stuff.
Guess I falsely assumed that was what you were running.

The point I was trying to make still applies unless of coarse your 3 steps ahead (very likely) & have already played with tuning the pills to the bore size.

I'd be very interested to see the effect of a 1 - 3 Ten Thousands bullet diameter change on velocity.

Your definitely wading into a niche that has a lot of room for learning and innovation.
Click to expand...
My bullets are already cut to match my barrel. This test is actually being performed on a .219/.222” barrel. Thai was done to decrease engraving pressure to more closely match that of lead in a .217 barrel
 
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Hers the raw data. The solids ammo wasn’t loaded to any node, simply to just under max pressure. Sadly I didn’t have enough of the Aguila brass to complete the test without switching but is what it is and I could start over lol. The major increase in speed of the solids load as length decreased vs what is seen with the lead ammo is interesting.
If someone want to chart it all, that would be cool. I’ll thread it at this length and continue to run it. I’ll find a spot where speed is stable with my load by working down from here and see where it leads me
A392AE24-732A-422C-AC09-C80A388B1354.jpeg
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