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LT-31

Pete
Type this in the search box and you will get a wealth of info. Lots of folks use this but don't like to discuss it due to liability reasons. Guys out in western Colorado use it all the time in the low humidity. LT-30, LT32, and 2015 are all made to very tight tolerances per the manufacture notes.

LT-30 in my PPC​



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I just use straight LT-32. The powder isn't near a compressed load at a max charge, so not sure why making it faster would be preferable. Haven't had my hands on any new lots of 2015, but the lots I do have share nothing of the geometry of LT-32. LT is fairly consistent. 2015 has granules from .030 long to .070, and that's the main reason I don't use it.
 
Tell me if I'm wrong but mixing never made sense to me. If you take 4 pounds of LT30 and mix it with 4 pounds of LT32 and this is where it puzzles me what makes you think your going to get an even amount of both powders in one round? Just think about it. To me you could be getting more LT32 in one case than say maybe the next correct? To me how can it be an even mixture. Now if you loaded on case at one time using 14 grains of each powder mixed together one at a time to me that would be an even amount of both. Am I the only one who thinks like this because I haven't seen one person that has ever thought and put down about this going on? And as far as that letter back in 2012 about LT32 being the exact same as T32 that is pure bullshit. I've talked to many a group shooter who shot piles of the T32 years ago about this and they told me that it's not the same stuff at all.
 
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@JimPag I’m not a fan of mixing either. I do think there are some gaps in the Hodgdon line, which is how I ended up being a huge Vihtavuori fan. They really cover the bases.

It has crossed my mind to make a batch of 137.5, but as you said, you’d literally never know what was in any one round. I’m sure it would be fairly close, but never consistent, and isn’t that what we are after? Consistency?
 
@JimPag I’m not a fan of mixing either. I do think there are some gaps in the Hodgdon line, which is how I ended up being a huge Vihtavuori fan. They really cover the bases.

It has crossed my mind to make a batch of 137.5, but as you said, you’d literally never know what was in any one round. I’m sure it would be fairly close, but never consistent, and isn’t that what we are after? Consistency?
Exactly. Consistency would be the main goal and I don't see how it would be mixing large amounts of powder. It just doesn't make any sense if you think about it.
 
Theory is good. Great theory is great. But, how many of you have blended/mixed and shot Lt.31?

I have and can tell you that I have gotten consistent es under 20 and usually single digit es.

As tune changes, es generally changes. Most of the time, the lowest es does not shoot the smallest for me in a ppc, regardless to the powder I am using.

In short, Lt30 and Lt32 mix well and I have seen none of the theoretical problems mentioned. The resulting Lt31 gives one yet another option for finding a powder that tunes well with their setup.

Still, whether to mix them is a personal choice and comes with personal responsibility. Work up, stay safe and try to shoot straight!
 
The only mix, I have ever attempted was a mix of H4350 with H4350. All 1# jugs from 3 different lots, couldn't buy more than 3# of any one lot a few years back.

I did this before loading any of it, but I used a new 5 gallon bucket, in the dinning room in a controlled climate, and altered lots pouring in one at a time spreading around the hole surface. Once all spread fairly even, put the lid on and roll, flip and with a venal glove mix and mix, 2 or 3 times a day for 3 days.

Funnel back into the "remarked #1 lot" to 1# wieghts. It worked! But it might have been spot on lot to lot? Never tried it before mixing.

But I would never consider mixing 4# of 4350 and 4# of 4831 even for hunting. That would never cross my mind, or 4# H4831 with 4# H4831SC, just don't see how that could be a perfect lot of powder when finished?

JMHO, and only worth what you pay for it. Target shooting involves enough GHOST, without fabricating more for me!
 
I would definitely try LT31 but someone would have to come out with a computer assisted device that links to a data base in Scotland or Australia where it could be matched to the manufactures recipe to see if it is exactly mixed 50/50.
 

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