BE-86

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Do you know what it did to the accuracy with the lower COL and higher pressure?


No I didn't test for accuracy but I need to go back and do that. Usually when I shoot over the chrono I'm just kind of aiming at the center of a target behind it and not trying hard to hit the target, just trying hard to miss the chrono.:)
Since I have inexpensive chrono it does not record individual shots, so I shoot 2 write down the numbers, shot 2...... works well just not a lot of features.
It will give me the lo, hi and average. Should have spent a little more and got a nicer one but from reports everybody shoots at least one killing it so I figured I would by the cheap one as a sacrifice, then get a nicer one when it died.
The first still alive however. Now had I bought a more expensive one first I am sure the results would have been different.:D

When I have time to do a repeat I will use the 1911 and see if it follows the same trend.
My old PT99 will let me load longer so I used it for the test.
Might be interesting to run a test with one OAL in all my 9mms to see the results of the same load with all of them.

Need to retire someplace where I can walk out my back door and run the tests, now all I need to do is win the lotto and I'm set.
 
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OK some BE86 numbers for the Xtreme 165gr bullets I got from ArtofGolf.

9mm Luger (oopss left this out at first)

Taraus PT99 5"
Each charge weighed, S+B SP
Starline Brass (new?, from ArtofGolf)
Xtreme 165 RN 3.3 BE86 Pistol OAL 1.135
761.00
747.00
760.00
735.00
752.00

Average 751.00
ES 26.00
SD 10.65
PF 123.92

No function issues at 3.3gr

Xtreme 165 RN 3.6 BE86 Pistol OAL 1.135
784.00
798.00
805.00
785.00
779.00

Average 790.20
ES 26.00
SD 10.85
PF 130.38

Xtreme 165 RN 3.8 BE86 Pistol OAL 1.135
844.00
827.00
830.00
844.00
840.00

Average 837.00
ES 17.00
SD 8.00
PF 138.11

Xtreme 165 RN 4.0 BE86 Pistol OAL 1.135
866.00
869.00
871.00
868.00
859.00

Average 866.60
ES 12.00
SD 4.62
PF 142.99

Xtreme 165 RN 4.2 BE86 Pistol OAL 1.135
893.00
903.00
888.00
900.00
905.00

Average 897.80
ES 17.00
SD 7.12
PF 148.14

I would say 4.2 is pretty close to a MAX load. (if not MAX) in 9mm.

I was shooting at 15 yards and making sure I didn't shoot the chrono so all I can say was accuracy was ok on all loads. (by ok I mean nothing funny happening, as good as I can expect for chrono test)

I also loaded up some MBC .358 dia (for .357) BHN18 158gr SWCs resized to .356

Mixed brass S+B SP
MBC .357 SWC resized to .356 3.5 BE86 Oal 1.11
831.00
823.00
843.00
856.00
837.00

Average 838.00
ES 33.00
SD 12.49
PF 138.27
(charges as thrown by Lee LPD)
 
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Edited above post, forgot to mention 9mm.
Since I didn't mention 9mm it was easy to guess something larger with 165s.
 
Edited above post, forgot to mention 9mm.
Since I didn't mention 9mm it was easy to guess something larger with 165s.
Yep, easy to miss. I'm curious that the SD tightened considerably @ 4.0gr & widened again @ 4.2gr. Any thoughts??
I realize it was a small sample.....

....Need to retire someplace where I can walk out my back door and run the tests, now ....

Yeah, it would be nice. I dream of that layout that Hickok45 uses, with plenty of targets that beckon daily ;)
 
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Possible causes

1. I allowed charge swings of -.02 to +.03 on all charges. so worst case say 4.18 to 4.23 for example.

2. Me the shooter, got to figure in something since I didn't use a mechanical rest, no idea how much here.

3. Chrono is a Competition Electronics Pro Chrono PAL. They list accuracy as +/- 1% so at 900 fps +/- 9fps possible chrono tolerance.

4. Very small sample size n=5


With :evil: creative adjusting for possible chrono tolernace
Xtreme 165 RN 4.2 BE86 Pistol OAL 1.135
901.00 <- adjusted 893.00
901.00 <- adjusted 903.00
897.00 <- adjusted 888.00
901.00 <- adjusted 900.00
901.00 <- adjusted 905.00

Average 900.20
ES 4.00
SD 1.79
PF 148.53


But that's cheating
(unless of course you work for the goverment in which case I am sure it is considered valid data massaging protocol. :rolleyes: )


For computing the SD I used the Excell function =STDEV (a sample of the population). If I had used =STDEVP the SD would be appear smaller.
The difference in the formula is dividing by n-1 instead of n.
(This has nothing to do with the difference between 4 and 4.2 gr, but given my small sample sizes I call them a sample of the population not the entire population, don't know what formula chronos that calculate the SD use)
 

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Given 165gr I would have guessed .40 or 10mm myself if the person who posted didn't mention the caliber........:banghead:

I can see you would think I was a little nuts loading 3.3 gr in .40 :)
 
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I tried out my new chrono today and tested two of my BE-86 loads:

Sig P229 3.9"
357sig
COL:1.150"
RMR 124gr JHP BE86 7.6 CCI500 Average:1259
ES:18
SD:6.8
PF:156
Velocities:1256, 1268, 1250, 1263, 1259

Sig SP2022 3.9"
9mm
COL:1.060"
Berrys 124gr HBFPTP BE86 5.6 CCI500
Average:1076
ES:28
SD:11.4
PF:133
Velocities:1076, 1083, 1067, 1091, 1063
 
Need to retire someplace where I can walk out my back door and run the tests, now all I need to do is win the lotto and I'm set.

Ah, such a simple dream :)

Reality is I have to drive 2hrs just to go shooting :banghead:

Back on topic: Continues hunt for BE-86 to test in G20...
 
I've been following the thread since the beginning, and it seems BE 86 is a good powder. None around here that I can find, and not a lot of info for the 357 Magnum.

I don't like to shoot "full house" magnums, and my Unique, 2400, and Universal are all running low. I wonder if it would be O.K. to do what I have done with Unique and Universal...take a manual +P load for the .38 Special, and add 5-10%, and increase until starting loads for the 357 are approached, which is about the velocity I would like?

Or, maybe just reduce the starting load for the BE-86?
 
For 10mm, I have found 8.0-8.2gr BE86 under a 180gr Berry's bullet to make a nice range round. It is warmish...

If you chrono'd would you be wiling to share numbers?

I've tried just about everything in the 10, and BE-86 is the last to find :)
 
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I've been following the thread since the beginning, and it seems BE 86 is a good powder. None around here that I can find, and not a lot of info for the 357 Magnum.

I don't like to shoot "full house" magnums, and my Unique, 2400, and Universal are all running low. I wonder if it would be O.K. to do what I have done with Unique and Universal...take a manual +P load for the .38 Special, and add 5-10%, and increase until starting loads for the 357 are approached, which is about the velocity I would like?

Or, maybe just reduce the starting load for the BE-86?
I've been running 7.4-7.6 of be-86 in my 357's it's more recoil than unique, but less than H110. They're in the 1100 category ou of my 6" guns.
 
If you chrono'd would you be wiling to share numbers?

I've tried just about everything in the 10, and BE-86 is the last to find :)
I've not chronographed it. It's accurate, cycles my G20, and lets me know I'm shooting a 10mm...and it's below published max
 
User IWAC, as was pointed out 8 posts prior to yours, RE-86 is available from Recobs. A quick search helped me find their online store. I bought 4#'s this morning. Thank you to user evtSmtx for alerting me to it's availability!
 
Alliant's published data states 1265 fps at 8.5gr, 180gr FMJ, 5" barrel. Obviously it's not the optimum powder for the hottest 10mm loads, but it works for range ammo.
 
I did some additional chrono work this weekend which included two BE-86 loads:

P229 3.9"
357sig
COL: 1.135"
MG 125gr JHP
BE86, 7.6gr
CCI500
Average: 1258
ES: 24
SD: 8.9
Force: 439
PF: 157
Velocities: 1244, 1260, 1268, 1261, 1261

P229 3.9"
40S&W
COL: 1.142"
Xtreme 165gr RNFPHPCB
BE-86, 5.9gr
CCI500
Average: 893
ES: 33
SD: 14.6
Force: 292
PF: 147
Velocities: 872, 885, 904, 905, 902
 
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