New batch of 1 1/2 Swiss

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John Bly
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Joined: Thu May 13, 2010 12:32 pm
Location: Stephens City, VA

New batch of 1 1/2 Swiss

Post by John Bly »

I got a new batch of 1 1/2 Swiss and it is 5% heavier than the lot I'm using up. My 61 gr measure throws 64 grains. I'm thinking just load the same volume until I can get out to do a ladder test. Any thoughts? The current lot was lighter than the previous lot so what I have now is more like what I had several years ago.
"Perfection consists not so much in doing extraordinary things as in doing ordinary things extraordinarily well"
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Kurt
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Re: New batch of 1 1/2 Swiss

Post by Kurt »

What lot# is it?
The reason a dog has so many friends is because he wags his tail instead of his tongue.

"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery"Winston Churchill
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ian45662
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Joined: Mon Jul 30, 2018 3:42 pm

Re: New batch of 1 1/2 Swiss

Post by ian45662 »

For me whatever weight I need to get whatever lot of Swiss at the same compression seems to work. 81 grains of a 2018 lot I have or 85 grains of a 2019 lot gives the same compression. The 19 lot is 30fps slower than the 18 but accuracy seems to be the same.
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bobw
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Joined: Tue Nov 23, 2004 12:52 pm

Re: New batch of 1 1/2 Swiss

Post by bobw »

What's a new batch? 10 lbs.? 25lbs ? 2 cases? All the same lot numbers? At the price and availibility problems I wouldn't do a lot of testing. Just my 2 cts worth..bobw
bobw
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martinibelgian
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Re: New batch of 1 1/2 Swiss

Post by martinibelgian »

I just go by weight, and I don't care about compression, it is what it is...
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kenny sd
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Location: florida

Re: New batch of 1 1/2 Swiss

Post by kenny sd »

weigh every charge. 63 even, then drop tube.
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John Bly
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Joined: Thu May 13, 2010 12:32 pm
Location: Stephens City, VA

Re: New batch of 1 1/2 Swiss

Post by John Bly »

It is an odd lot that I mixed together. I had 9 lbs of various lots that I had won at matches. Some from 2016, 2018, 2019 and 2021. I bought 6 lbs of a lot from June 2021 and mixed it all together. I'll go with the same volume or compression. It weighs what it weighs. With the scarcity of primers I won't do a lot of load testing. I've got some ammo with old lot and I'll make up some with the new lot and shoot them on paper for a comparison.
"Perfection consists not so much in doing extraordinary things as in doing ordinary things extraordinarily well"
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Clarence
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Joined: Tue Dec 24, 2002 7:38 pm
Location: Hill Country, TX

Re: New batch of 1 1/2 Swiss

Post by Clarence »

John,

Try the method described in the BPC News; "Incremental load development". I've worked up loadstar news lots of powder for 3 rifles now, and have been able to find very good loads with no more than 25 rounds in each case.

Clarence
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art ruggiero
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Joined: Fri Nov 30, 2007 4:00 pm

Re: New batch of 1 1/2 Swiss

Post by art ruggiero »

go by volume same compression don't fret about weight diff. between lots art
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beltfed
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Joined: Sun Jun 03, 2007 10:07 am
Location: Central Wi

Re: New batch of 1 1/2 Swiss

Post by beltfed »

INterestingly, like John Bly,
I have been using a "Lot" , I call my Swiss 1.5 Blend of 04/19, that was a blend of several older lots of 1 to 5 pounds that I had accumulated,
total about 11 pounds. Works well, to use up those "orphan" lots. I am getting good performance in my 40-65 and the 38-50 with this "LOT"
so that I can use up the orphans to good use and not jump around with loads for each of those individual lots.
beltfed/arnie
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