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5744? (Read 10972 times)
waterman
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Re: 5744?
Reply #15 -
Jun 15
th
, 2016 at 2:58am
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5744 is not a slow burner. It is about mid-way between 4227 and 4198, a bit closer to 4227, in the list I have seen. Looks to me as if it is intended for smaller straight-walled cases with relatively light bullets.
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Bent_Ramrod
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Re: 5744?
Reply #16 -
Jun 15
th
, 2016 at 8:33am
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5744
per
se
has not been banned at the Quigley. The use of wads with 5744 has been banned.
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Yellowhouse
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Re: 5744?
Reply #17 -
Jun 15
th
, 2016 at 2:29pm
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Believe that blowup at Quigley also involved a heavy charge of 5744 and a wad....double trouble!
On the demise of 4759 no one has mentioned Reloader 7. Would it be a useful substitute?
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boats
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Re: 5744?
Reply #18 -
Jun 15
th
, 2016 at 5:07pm
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All kinds of powder that "can" be used. 4227 is well proven and no history of blow up's, unless double charged. Double of 4227 will fit in most SS cases but is very obvious, you would have to be careless to shoot a double charged load.
I have moved all my 4759 loads over to 4227 with no problems and the advantage of being better through a measure. I never use a wad of any kind
If what we hear is true, why fool with surplus powder ? leave 5744 for other guys to experiment with.
Boats
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Premod70
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th
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Re: 5744?
Reply #19 -
Jun 15
th
, 2016 at 5:20pm
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Yellowhouse wrote
on Jun 15
th
, 2016 at 2:29pm:
Believe that blowup at Quigley also involved a heavy charge of 5744 and a wad....double trouble!
On the demise of 4759 no one has mentioned Reloader 7. Would it be a useful substitute?
I've used Reloder 7 in a 40/65 with good results but it and many others will not match Accurate 5744 for accuracy, at least not in my rifle. Still looking though!
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calledflyer
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Re: 5744?
Reply #20 -
Jun 15
th
, 2016 at 5:34pm
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I have always loved my 4227 powder. Found 4759 was good too. But I like to fiddle from time to time and have tried, in the .32-40, both 4198 and RL7 a few times. Both worked pretty good with gascheck slugs at somewhat elevated velocities. Inconsistent down low, though, and didn't work worth a tinker's damn with plain base bullets.
I didn't work with either very long, so maybe there could be some possibilities, but I'm not gonna give up my 4227 and remaining 4759.
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QuestionableMaynard8130
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Re: 5744?
Reply #21 -
Jun 21
st
, 2016 at 10:02pm
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I ALWAYS used wads in my 5744 loads to have consistent powder position in the case. BUT NOT SEATED DOWN ON THE POWDER
I used cork sheeting wads cut with a sharpened 45-70 case as a cookie cutter. I mad an adjustable seater with a turned down fine threaded bolt that was a slip fit in the case and a must as an adjustable stop with a jam-nut to lock it once adjusted.
when I was shooting that rifle Charlie Dell was still coming to the matches at EG and I followed his advice. a seated 3 stacked wads on the powder, adjusted the seater to that depth, but when shooting ONLY USED ONE WAD. so my wad was two wad thicknesses off the powder. The miroku 45-70 was a prototype for the later BPCR & Creedmoor production, and made with one of the Badger match fast-twist barrels.
Never gave a thought to it blowing up with 5744. even with heavy charges and heavy bullets
sacred cows make the best burger
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JS47
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Re: 5744?
Reply #22 -
Jun 21
st
, 2016 at 11:35pm
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Here's a simple wad seater I made that works well. It's nothing more than a block of wood with a hole in it, a dowel, and a set screw. The dowel floats in the hole so when a powder charge is in the case the tool can be placed on the case with the dowel loose to determine the powder level. Tighten the set screw, get a measurement with a caliper, then adjust the dowel to whatever wad seating space you want. The short end works well to seat a wad straight to end up at the bullet base when the bullet is seated.
JS
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uscra112
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Re: 5744?
Reply #23 -
Jun 22
nd
, 2016 at 2:40am
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westerner wrote
on Jun 21
st
, 2016 at 10:54am:
If 5744 is a fast powder, why does it leave so much un-burned powder in the barrel?
Joe.
I can't give an engineer's answer, but I burned quite a lot of it when the only cast bullet rifles I was shooting used gas checked bullets at +/- 2000 fps. My own observation is that it needs to be loaded to 20,000 psi or higher to burn completely, and it likes heavy bullets. 20K is a mite higher than we need for plain base bullets at Schuetzen velocities. I still have quite a lot of it, but other powders are working better for me, so I have not burned any for several years now. Might go back to it when(if) I ever get out my 7.5x55 Schmidt-Rubin to test a 200 grain Eagan GC bullet for which I have a mould.
As I recall the powder designated XMP-5744 was a milsurp powder, but the current AA5744 is new made.
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GT
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Re: 5744?
Reply #24 -
Aug 18
th
, 2018 at 2:20am
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I got lazy back in about '98 and quit using black - after about 10 years of it in cartridges. For simplicity I switched to smokeless using the thought similar to how we loaded for black - little or no empty space in the case. I tried several different smokeless powders and when I was shooting 300 to 400 rounds a week I found that XMP5744 out performed everything else I tried - in three different rifles, three different calibers. The rifles were rollers and high walls. Calibers were 45-90, 45-70 and 38-55. In all cases my best results were heavy bullets, 350's in the 38, and 535 and 600's in the 45's. In the course of three years I used close to 35 lbs. of this and nearly 1800 lbs of lead. Never saw a ringed chamber nor signs of pressure -blame that on common sense loading or luck.? I took an 8 year sabbatical from the sport and when I returned a few things had changed, XMP was changed to AA and I'd heard of pressure issues and blown actions... Hmmm. I heard about the problem at the Q, and no cards or wads allowed... When I started shooting again, with no intention of doing the diligence as before, I loaded and omitted all the cards and wads (TP) I once used and with practice and focus I was getting the same results as before. A hot barrel was still the norm and with lighter bullets unburned powder is still common.
Since starting again I've burned through nearly 24 lbs. of AA5744 in the past couple of years - in more calibers and rifles than I care to confess. Even with some of the latest equipment I have now, I see no ringing nor do I detect pressure signs. AS with all things potentially hazardous, common sense and thorough study goes a long way.
Greg
"To invent, you need a good imagination and a pile of junk" T. A. Edison
"The trouble ain't that there is too many fools, but that the lightning ain't distributed right" M.T.
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