Greetings. I've seen videos and read stuff about carbon fiber sleeves on PCP barrels. Why do people/manufacturers do this?
What comes to mind is that the barrels (the steel part that's rifled) are so thin walled that they can't be depended on to be/stay straight, so people add to their stiffness with tight fitting sleeves. Am I missing something?
If one were to stiffen a barrel by shrink fitting it into a metal tube (slight interference fit) or maybe epoxying it, it's not clear to me that it would be any better unless one turned that assembly between centers, thus hopefully making the bore and o.d. concentric. Would that be better than using a flexible sleeve?
Bores can be corkscrewed, too. But in the gunpowder world, it seems that the last inch or so of the barrel is what most affects accuracy, so corkscrewing (unless extreme) might not make a difference.
Or maybe someone sells stiffer, straighter barrels? One could buy a barrel blank for a powder gun and turn it as necessary to fit it to the receiver.
I guess I'm rambling. I have three PCPs (Marauder, AV bullpup and Hatsan bullpup, all .25 cal.) and would like to get them as accurate as is reasonably possible, given the time I'm willing to spend fiddling with them.
Suggestions welcome. Thanx.
What comes to mind is that the barrels (the steel part that's rifled) are so thin walled that they can't be depended on to be/stay straight, so people add to their stiffness with tight fitting sleeves. Am I missing something?
If one were to stiffen a barrel by shrink fitting it into a metal tube (slight interference fit) or maybe epoxying it, it's not clear to me that it would be any better unless one turned that assembly between centers, thus hopefully making the bore and o.d. concentric. Would that be better than using a flexible sleeve?
Bores can be corkscrewed, too. But in the gunpowder world, it seems that the last inch or so of the barrel is what most affects accuracy, so corkscrewing (unless extreme) might not make a difference.
Or maybe someone sells stiffer, straighter barrels? One could buy a barrel blank for a powder gun and turn it as necessary to fit it to the receiver.
I guess I'm rambling. I have three PCPs (Marauder, AV bullpup and Hatsan bullpup, all .25 cal.) and would like to get them as accurate as is reasonably possible, given the time I'm willing to spend fiddling with them.
Suggestions welcome. Thanx.