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< 16ga. Ammunition & Reloading ~ How many loadings... |
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Posted:
Mon Jun 08, 2009 10:38 pm
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Member
Joined: 13 Apr 2009
Posts: 328
Location: Idaho & South Dakota
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do you average when using roll crimps on plastic hulls? I loaded a few today to try out as these were the first ever for me to roll crimp. The mouths looked like they were held over a torch for a second. A bit melted and edges rounded. They were the Win red game load hulls. They crimped nicely using my drill press, BP vise and Precision crimper. My load was Win 209, 17.5gr PB, BP/SPTG16 and 1oz shot for 1125fps @ 7600psi
Do some hulls hold up better for roll crimps than others?
Any info is appreciated. |
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Posted:
Tue Jun 09, 2009 3:13 am
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Member
Joined: 27 Jun 2005
Posts: 1545
Location: Michigan
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dukxdog wrote: |
The mouths looked like they were held over a torch for a second. A bit melted and edges rounded. .
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That is the reason I don't like roll crimping plastic hulls.
Now you have to fart around opening up the mouth, or you'll never get a wad in the hull. Either that or roll crimp them one time and throw them away.
I only roll crimp paper hulls. You eliminate this problem all together.
Plus roll crimped paper hulls are so cool. |
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Posted:
Tue Jun 09, 2009 10:39 am
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I love to roll crimp paper hulls but I have had good results "conditioning" my roll crimped fired hulls by using one of my wife's discarded hair curling irons. The one I am using is Conair model CD12, a slightly larger one would work a bit better but with a bit of "twisting about" the 1/2 inch model will get the job done. The heat softens the plastic and allows you to open up the case mouth up to original diameter. The plastic remains ply able so recrimping is easier also. |
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Posted:
Tue Jun 09, 2009 6:00 pm
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Joined: 28 Mar 2008
Posts: 1460
Location: Eagle, Nebraska
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Great idea, now another reason for my wife to roll her eyes at me. |
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Posted:
Wed Jun 10, 2009 4:57 pm
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Member
Joined: 01 Jun 2006
Posts: 182
Location: southwest desert
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Curling iron......mmmmm now that sounds like a great idea I put an old hair dryer in service to warm the plastic shells so they would roll better. I have tryed to roll crimp almost everything. Even tryed rolling all brass shells. That didn't work well. The plastic shells seem to take up a lot of time. If you go to fast, they look like they are trying to melt. Mostly do paper shells now. Besides paper shells smell so good after they have been shot. Okay, I am weird. If you are going to roll plastic shell, just go slow. Good luck |
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Posted:
Wed Jun 10, 2009 6:15 pm
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The idea isn't new. Years ago Lyman (I think) made an electrically heated mandrel for reconditioning paper hulls. I just tried their idea on plastic hulls and it worked. Say you don't think Lyman would still have a couple of those contraptions gathering dust in some store room somewhere do you? |
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Posted:
Thu Jun 11, 2009 10:06 am
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Member
Joined: 28 Oct 2005
Posts: 665
Location: Louisiana
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I have one of those Lyman "Shell Conditioners".
The thing operates on 110vac, gets hot as the hinges of hell and will melt a plastic hull quicker'n you can say "S**t!"
Works OK on paper.
I saw a 'recipe' for a beeswax/parafin concoction to be used on paper hulls to restore the case mouths. Just as soon as those neurons fire again I'll post it.................. |
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Posted:
Thu Jun 11, 2009 10:10 am
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Dave Miles wrote: |
dukxdog wrote: |
The mouths looked like they were held over a torch for a second. A bit melted and edges rounded. .
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That is the reason I don't like roll crimping plastic hulls.
Now you have to fart around opening up the mouth, or you'll never get a wad in the hull. Either that or roll crimp them one time and throw them away.
I only roll crimp paper hulls. You eliminate this problem all together.
Plus roll crimped paper hulls are so cool.
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Dave, where are you getting your paper hulls? Graf's? I thought I saw some listed there once.
I'm getting the urge to roll crimp some specialty loads just for the hell of it! |
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Posted:
Thu Jun 11, 2009 10:19 am
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Member
Joined: 27 Jun 2005
Posts: 1545
Location: Michigan
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Yes, Graf's has the Paper 16 gauge Cheddite hulls.
If you need some load data, shoot me an e-mail.
I had Tom A. test about 10 differnet loads for me.
asphaltdave@comcast.net |
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Posted:
Thu Jun 11, 2009 12:15 pm
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woodcock wrote: |
I have one of those Lyman "Shell Conditioners".
The thing operates on 110vac, gets hot as the hinges of hell and will melt a plastic hull quicker'n you can say "S**t!"
Works OK on paper.
I saw a 'recipe' for a beeswax/parafin concoction to be used on paper hulls to restore the case mouths. Just as soon as those neurons fire again I'll post it..................
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Bees wax and vaseline work good to bring paper hulls back to shape. A couple drops of molten paraffin on the overshot card after crimping helps to keep everything together and provides some moisture protection as well.
If you want to reduce the amount of heat your Lyman conditioner is producing a simple and cheap in line rheostat will do the job. |
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Posted:
Tue Jun 16, 2009 7:29 am
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Dave Miles wrote: |
Yes, Graf's has the Paper 16 gauge Cheddite hulls.
If you need some load data, shoot me an e-mail.
I had Tom A. test about 10 differnet loads for me.
asphaltdave@comcast.net
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Thanks Dave! I just caught up with this thread. I'll be in touch! |
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Posted:
Tue Jun 16, 2009 9:04 am
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Dave Miles wrote: |
Yes, Graf's has the Paper 16 gauge Cheddite hulls.
If you need some load data, shoot me an e-mail.
I had Tom A. test about 10 differnet loads for me.
asphaltdave@comcast.net
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Dave is their a significant MV and chamber pressure difference between the paper hulls with roll crimp you had Tom test and published data for plastic hulls with folded crimp hulls using the same powder charges and shot charges? |
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Posted:
Tue Jun 16, 2009 6:23 pm
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Joined: 28 Mar 2008
Posts: 1460
Location: Eagle, Nebraska
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Dave, you sent me a couple of paper hull loads once and have yet to load them, I have so many other projects going haven't had time to load any up yet.
I love any other paper data you have and am anxiously awaiting the Recipie for re-conditioning the hull mouths!!
I may load some up this weekend. |
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Posted:
Wed Jun 17, 2009 3:03 am
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Member
Joined: 27 Jun 2005
Posts: 1545
Location: Michigan
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Twice Barrel,
I found in some cases, the the same load in a plastic Cheddite was real close to the same PSI & FPS in the paper Ched. hull. If roll crimped, it should be lower. Use this info as a starting guideline. Get your loads tested if working up new ones.
Hootch,
Shoot me an e-mail and I'll give you what I have.
asphaltdave@comcast.net
As for reconditioning the paper cheddite hulls, it's not required.
You will only get 3 to 4 reloads out of these hulls, before the paper burns through at the brass. In fact after the first loading, I wouldn't use these hulls in a Auto or Pump, because when the hull seperates from the brass, it stays in the chamber. |
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