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+---- Thread: LDPE wads and paper patching (/thread-464.html)
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RE: LDPE wads and paper patching - Kurt - 05-16-2013
If the wad got the edge burned through chances are that the bullet also got gas cut. That would explain the velocity loss and wild fliers.
If you could go down range and dig one of those that went wild and the base did not get consumed by the mushroom I think you will find evidence of gas cuts.
Kurt
RE: LDPE wads and paper patching - Kurt - 05-16-2013
All of these bullets got gas cuts when I was testing wad stacks last winter
http://www.flickr.com/photos/leadpot/7015830197/
RE: LDPE wads and paper patching - Gunlaker - 05-17-2013
I think you are right Kurt. I might have to see if the range officers will let me dig in the berm and recover a few.
What wad stacks did you end up using if you don't mind me asking?
Chris.
RE: LDPE wads and paper patching - Kurt - 05-17-2013
Chris I use a milk carton over the powder then a 1/8" lube wad a .052" hard wad cut from NAPA Karropak gasket stock over the lube wad then a 1/16" cork cut from dense gasket stock from Tractor Supply Co. and a .012 poster card stock.
This stack holds the gases back very good and it shows on the ES.
This may look like a lot of wads but it fits nicely in the .44 bottle necks.
I tried doing away with the lube wads but I get excessive case stretching even separation.
I have always used cork cut from 1/16" or even 1/8" Cork wads are nothing new the ODG's also used it so there must have been a reason
Kurt
RE: LDPE wads and paper patching - Gunlaker - 05-17-2013
Thanks Kurt.
Chris.
RE: LDPE wads and paper patching - Gunlaker - 05-23-2013
The weather finally cooperated enough for me to bring the .45-110 and chronograph to the range to test the rubberized cellulose ( Felpro ) wads.
I'm going to have to do more experimenting as I got some pretty odd results. Velocity with the new wad stack ( 0.060" Veg King, 0.060" rubberized cork gasket, 0.060" LDPE ) came up quite a bit from my old setup ( 0.060" Veg King, 0.060" LDPE ) but was still about 10fps less than using a grease cookie.
The really odd part was that accuracy completely disappeared with the rubberized cellulose. Only three of eight shots hit the paper at 200m. It seemed like the paper wasn't releasing as I got very little confetti. I can't really explain that. I then switched back to my standard load using the lube cookie and accuracy was great.
I'll likely stick with the lube cookie for the gong shoot as I'm running out of time to fiddle with the load. I'll definitely have to mess with this gasket material again as it sure seems to work well for others.
Chris.
RE: LDPE wads and paper patching - Kurt - 05-23-2013
Chris.
If it aint broke dont fix it!!
RE: LDPE wads and paper patching - Don McDowell - 05-23-2013
I agree with Kurt, don't fix it if it ain't broke.
But in the interest of experimenting, drop the first .060 wad and maybe replace the second one with a .030 wad and see what happens when you put the rubber wad in.
In my 44-77 I just use that thin felt wad on the powder, the rubber wad and the bullet. Get plenty of confetti and accuracy to boot.