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Old December 20, 2004, 10:02 PM   #1
mcshot
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Join Date: October 24, 1999
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DuPont 5066 pistol powder data?

I've misplaced my old reference and wonder if anyone has data for this discontinued powder. I've read that is was a favored for the 45acp and I have 4 cans I like to use up.
thanks,
mc
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Old December 21, 2004, 01:33 PM   #2
Poygan
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I have an old Lyman Ammo maker kit for the .45 acp. It included a small measure for 5.4 grains P5066 with the Lyman .452374 bullet at 225 grains.
I checked an old PO Ackley manual but no listings for 5066 for .45 acp.
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Old December 21, 2004, 05:16 PM   #3
mcshot
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P-5066

Thanks Poygan, I found a burning rate chart which puts 5066 between Green Dot and PB. The load you listed will get me going and I'll start at 5.0.
mc
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Old December 21, 2004, 05:39 PM   #4
Jim Watson
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.45 ACP 230 gr FMJ + 5.7 gr P5066 = 830 fps 17,700 psi (probably crusher)
.45 ACP 185 gr JSWC + 5.8 gr P5066 = 1005 fps 18,000 psi
.45 ACP 185 gr JSWC + 4.2 gr P5066 = 655 fps 7500 psi
Source: DuPont Handloading Information in 1964 Handloader's Digest
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Old December 22, 2004, 02:11 PM   #5
mcshot
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Jim,
Appreciate the excellent DuPont loading info. I now have good reference points to work from. I'm pleased that TFL is back and better than ever.
mc
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