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Re: re: smokeless load for trapdoor

Posted by Pete Nelson on Saturday, 12 February 2011, at 8:24 a.m., in response to Re: re: smokeless load for trapdoor, posted by steven gabrielli on Saturday, 12 February 2011, at 7:42 a.m.

Good morning Steven,

HEY - - HOLD THE PHONE! Sorry, but I must have been having one of my (increasingly-frequent) "Senior Moments" when I made that last posting of mine! I got the .030"-thick VEGGIE WAD and the 0.003"-thick FREEZER WRAP DISK recommendations reversed.

Several guys a while back had recommended AGAINST using a heavy wad under the hollow-based 405-grain bullet because their experience had been that it tended to wedge itself into the hollow base and cause instability in flight. So please just ignore what I said about using the .030"-thick veggie wad under the 405-grain. THAT is where I having been using the paper-thin disk on top of the powder, and I am VERY CAREFUL placing it so that it doesn't cock to the side. I do load 59.0 grains (weighed on my RCBS beam-balance scale using a small machined brass calibration weight which I check with my RCBS electronic scale), and I do get a minimal bit of powder compression. I made a small brass "tamping rod" which just clears the walls of the case and use it to tamp down the powder slightly (with the paper disk sitting on the powder) and then use the WOLF Compression Die in my Lee Turret Press to do the final compression stroke. Using the paper disk was recommended to me mainly to minimize migration of the SPG Black Powder Lube down into the powder.

And the .030"-thick veggie wad is what I used under the 500-grain flat-bottom rifle bullet. Just like the paper disk, I place it on top of the 70-grain powder charge (which pretty much fills the case to the brim) and then hand-tamp it down just a bit before using the Wolf (brass) Powder-Compression Die in the turret press which gives me a good 5/8" of powder compression before placing and seating the bullet.

I apologize for the mix-up, but that is why we "Seniors" (#74 coming up in August) have to be taken with a grain of salt.

Spence and Pat (in their book) have never steered me wrong. I still sit down and frequently read (and re-read) Pat's THIRD EDITION and keep finding thjings I'v missed previously. Pat's husband Lee Stone and I exchange a lot of E-Mails, but most of them are relating to "THE PRESENT DEMOCRATIC ADMINISTRATION" [:>)].

Thanks for your comments!

PETE


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