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  1. It's likely your compound swings in an arc. Just...

    It's likely your compound swings in an arc. Just cause it doesn't do it with an indicator in it doesn't mean it won't when there's tool pressure. Try with it's gibs locked up more, at least decent...
  2. Thread: Favorite movies?

    by 4Mesh
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    24,418

    There's no way for me to pick out favorites. ...

    There's no way for me to pick out favorites. Since I look at threads like this for ideas, I usually post a list so folks can go to their Netflix queue and stock up on ideas. In my experience, I...
  3. Thread: Burning Powder

    by 4Mesh
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    21,717

    Al, at the point of sharp rifling edges, I could...

    Al, at the point of sharp rifling edges, I could buy that they would clearly take more stress, wear, whatever. And would heat faster (if there was time). But, there really not that "sharp". And,...
  4. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    Your such a dumbass... Ok, the torch, sits on...

    Your such a dumbass...

    Ok, the torch, sits on the part a while doesn't it? Not .002 seconds. That torch will also cut a piece of brass won't it? Faster than steel won't it? Especially if the...
  5. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    That's quite a reach to go from "They found...

    That's quite a reach to go from "They found erosion" to "It's the biggest culprit". They also mention that without mechanical wear, there isn't hardly any. Let's put those two together. I never...
  6. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    1. Yes you are understanding my assertions...

    1. Yes you are understanding my assertions correctly.
    2. Because when you fireform with no bullet, much of the powder is not burnt in the "pressure" phase. That powder lays there and finishes...
  7. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    You mean sorta like Stainless? Their testing...

    You mean sorta like Stainless?

    Their testing was with long durations, not .002 sec.

    Cheers,
    Phil.
  8. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    No, you and others say it is insignificant, a...

    No, you and others say it is insignificant, a few % from various remarks above. I say it is not. I also did not say all wear can be eliminated. I said that increasing pressure so as to burn all...
  9. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    I think YOU are the one who defers. YOU are the...

    I think YOU are the one who defers. YOU are the one who claims heat and pressure consume the metal. I say it does not. Show scientific proof of why this is true, and don't use examples of texts...
  10. Thread: Burning Powder

    by 4Mesh
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    21,717

    So refer me to the post here with "Science". You...

    So refer me to the post here with "Science". You provide your opinion that you cannot back up with anything other than to say someone else said it, somewhere. Some guy from Sierra vaguely refers to...
  11. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    So far, I see no scientific data whatsoever. I...

    So far, I see no scientific data whatsoever. I see talk about powders of 60 years ago causing chemical wear. On opinion from someone at Sierra (no data, and certainly not what I'd call authoritative...
  12. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    More like 300-350"

    More like 300-350"
  13. Thread: Burning Powder

    by 4Mesh
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    21,717

    Only two reasons I can think of... Hot air...

    Only two reasons I can think of...

    Hot air rises, and that would mean there must be an equal and opposite reaction. Therefore, the bottom would receive more wear. Or maybe, pressure weighs a...
  14. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    15 PSI is roughly what you are standing in right...

    15 PSI is roughly what you are standing in right now. Ambient?

    Plenty goes through a brake. Got no issue with that.
    Surface area. All I laugh at is that somehow by you guys estimation, that...
  15. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    First of all, pressure doesn't drop to...

    First of all, pressure doesn't drop to atmospheric. Muzzle pressure on a magnum firing H4831 is said to be about 6000psi. So much for dropping to 15psi. Furthermore, fire that rifle at night, and...
  16. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    Because that is where all the dirt is? Because...

    Because that is where all the dirt is? Because that is the only place there is an angle into which you are crushing a bullet? Most of the wear is where most of the abrasive is.

    Now hold the...
  17. Thread: Burning Powder

    by 4Mesh
    Replies
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    21,717

    Mike, I'm just gonna say that "Lasting" to you...

    Mike, I'm just gonna say that "Lasting" to you and me are two different things. I've seen match barrels on a 223 last 30,000 rounds. And shoot more accurate on retirement day than the replacement. ...
  18. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    So you are saying that the engraving process at...

    So you are saying that the engraving process at the throat is no more wear than farther down where the bullet is not being formed?

    I already told you that in post #2

    Ah ha. So, Mapp gas...
  19. Thread: Burning Powder

    by 4Mesh
    Replies
    96
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    21,717

    Look guys, barrels get hot because of friction,...

    Look guys, barrels get hot because of friction, not because of fire. A typical bullet leaves a barrel of a centerfire in roughly .002 seconds. In other words, at the 1000 round point, your barrel...
  20. Thread: Burning Powder

    by 4Mesh
    Replies
    96
    Views
    21,717

    The case with more volume (larger case) will...

    The case with more volume (larger case) will produce less pressure and in turn burn the powder less cleanly. It will be less efficient, and the additional dirt left behind will wear the barrel...
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    How bout Asymmetric? Actually, that should be a...

    How bout Asymmetric? Actually, that should be a good thing for the reamer. It makes them much less likely to chatter. It would have nothing to do with what size it cuts.

    Well, that would...
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    Just so I understand the question, you are saying...

    Just so I understand the question, you are saying the cutting edges of the flutes are not concentric to the body of the reamer, and off by .010?

    That's easy enough to check. Set the thing up...
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    Hey, they do sound great, thanks. I'll have to...

    Hey, they do sound great, thanks. I'll have to stick em in the Amazon wishlist. She Sells Sanctuary sounds so famailar I had to check the hard drive but nope, don't have it. So, I'm not sure where...
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    I'd like to offer a special thanks to Al for...

    I'd like to offer a special thanks to Al for keeping this gun related!

    It takes quite a bit of time just to check out all the stuff in this thread. Lots of memories. (Nitty Gritty Dirt Band...
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    Well, first, you have to determine if the motor...

    Well, first, you have to determine if the motor really is out of balance or if something else is the cause. Then if you did determine it is the trouble, the question is, where do you take it to get...
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