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 Post subject: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 11, 2020 12:13 pm 
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Joined: Fri Mar 02, 2018 6:15 pm
Posts: 74
Location: Adirondacks
Barnes doesn't seem to have any data for H 4350 and the 7mm-08. I'm looking to try the following load:

7mm-08
2.775"
139 grain Barnes LRX
H 4350
22" barrel

If you were willing to run that for me, on Quick Loads, I'd be very grateful!


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 11, 2020 2:48 pm 

Joined: Wed Nov 08, 2006 2:49 pm
Posts: 32556
Location: Northern British Columbia
Unfortunately, my data set does not have the 139 grain Barnes LRX included. Perhaps the current update will have it, but I haven't secured that data set yet.

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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 11, 2020 3:59 pm 

Joined: Mon Dec 16, 2019 10:04 am
Posts: 10
The current update does have the 139 grain Barnes LRX BT. I don't feel comfortable running it as I am just learning but if you need any bullet data I can get it for you


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 11, 2020 6:41 pm 
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Joined: Sat Oct 30, 2004 6:45 pm
Posts: 22185
Location: Cheyenne, WY
close nuff

Cartridge : 7 mm-08 Rem.
Bullet : .284, 140, Barnes 'TTSX'BT 30300
Useable Case Capaci: 45.280 grain H2O = 2.940 cm³
Cartridge O.A.L. L6: 2.775 inch = 70.49 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 82 33.61 2068 1329 26694 6247 80.3 1.505
-18.0 84 34.45 2117 1393 28262 6472 81.6 1.470
-16.0 86 35.29 2167 1459 29929 6695 82.9 1.436
-14.0 88 36.13 2217 1528 31701 6917 84.1 1.402
-12.0 91 36.97 2267 1598 33586 7136 85.3 1.370
-10.0 93 37.81 2318 1671 35591 7352 86.5 1.338
-08.0 95 38.65 2369 1745 37726 7565 87.7 1.306
-06.0 97 39.49 2421 1822 40001 7774 88.8 1.275
-04.0 99 40.33 2472 1900 42427 7978 89.8 1.245
-02.0 101 41.17 2524 1981 45015 8177 90.8 1.216
+00.0 103 42.01 2576 2063 47779 8370 91.8 1.187
+02.0 105 42.85 2629 2148 50734 8556 92.7 1.158
+04.0 107 43.69 2681 2235 53897 8734 93.6 1.128 ! Near Maximum !
+06.0 109 44.53 2734 2324 57285 8905 94.5 1.098 ! Near Maximum !
+08.0 111 45.37 2787 2415 60920 9067 95.2 1.068 !DANGEROUS LOAD-DO NOT USE!
+10.0 113 46.21 2840 2508 64825 9219 96.0 1.040 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 103 42.01 2719 2298 56616 8633 97.3 1.107 ! Near Maximum !
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 42.01 2404 1797 39756 7772 83.4 1.276

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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 11, 2020 7:14 pm 
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Joined: Fri Mar 02, 2018 6:15 pm
Posts: 74
Location: Adirondacks
Thanks all! I'm surprised, I thought H 4350 would push it a little faster than that. I'm guessing the LRX is a tad longer than the ttsx and might eat up a little more case capacity, as well.


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 11, 2020 7:41 pm 
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Joined: Sat Oct 30, 2004 6:45 pm
Posts: 22185
Location: Cheyenne, WY
Max pressure listed is 60191 per saami. I load them to 64k or under. Same as my 280 and 30-06. If a 270 and 308 can take it so can they but you're on your own at that point.

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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Mon Feb 24, 2020 1:42 pm 
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Joined: Fri Mar 02, 2018 6:15 pm
Posts: 74
Location: Adirondacks
FOTIS wrote:
close nuff

Cartridge : 7 mm-08 Rem.
Bullet : .284, 140, Barnes 'TTSX'BT 30300
Useable Case Capaci: 45.280 grain H2O = 2.940 cm³
Cartridge O.A.L. L6: 2.775 inch = 70.49 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 82 33.61 2068 1329 26694 6247 80.3 1.505
-18.0 84 34.45 2117 1393 28262 6472 81.6 1.470
-16.0 86 35.29 2167 1459 29929 6695 82.9 1.436
-14.0 88 36.13 2217 1528 31701 6917 84.1 1.402
-12.0 91 36.97 2267 1598 33586 7136 85.3 1.370
-10.0 93 37.81 2318 1671 35591 7352 86.5 1.338
-08.0 95 38.65 2369 1745 37726 7565 87.7 1.306
-06.0 97 39.49 2421 1822 40001 7774 88.8 1.275
-04.0 99 40.33 2472 1900 42427 7978 89.8 1.245
-02.0 101 41.17 2524 1981 45015 8177 90.8 1.216
+00.0 103 42.01 2576 2063 47779 8370 91.8 1.187
+02.0 105 42.85 2629 2148 50734 8556 92.7 1.158
+04.0 107 43.69 2681 2235 53897 8734 93.6 1.128 ! Near Maximum !
+06.0 109 44.53 2734 2324 57285 8905 94.5 1.098 ! Near Maximum !
+08.0 111 45.37 2787 2415 60920 9067 95.2 1.068 !DANGEROUS LOAD-DO NOT USE!
+10.0 113 46.21 2840 2508 64825 9219 96.0 1.040 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 103 42.01 2719 2298 56616 8633 97.3 1.107 ! Near Maximum !
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 42.01 2404 1797 39756 7772 83.4 1.276


Fotis, any chance you'd run the same load for me, but with the 140 Nosler e-tip instead? I can't find any reliable load data for that. Thanks!


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Mon Feb 24, 2020 2:32 pm 

Joined: Mon Feb 27, 2006 7:09 pm
Posts: 4718
Location: Western Montana
It's not Quick Load but the Nosler #9 book lists powders and loads for 140 grain bullets to include the 140 grain E-tip. Right below the 140 gr. E-Tip listing at the top of the page it shows this.

"Due to internal construction differences always begin with starting loads when using E-tip products."

That should get you started on the right track. I do like the quick load stuff though. I don't have the program myself but I just might have to take the leap and get it. If you don't have the Nosler book you can search it on -line and just start as they suggest. Hope this helps.
David

David

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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Mon Feb 24, 2020 2:46 pm 
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Joined: Fri Mar 02, 2018 6:15 pm
Posts: 74
Location: Adirondacks
6mm Remington wrote:
It's not Quick Load but the Nosler #9 book lists powders and loads for 140 grain bullets to include the 140 grain E-tip. Right below the 140 gr. E-Tip listing at the top of the page it shows this.

"Due to internal construction differences always begin with starting loads when using E-tip products."

That should get you started on the right track. I do like the quick load stuff though. I don't have the program myself but I just might have to take the leap and get it. If you don't have the Nosler book you can search it on -line and just start as they suggest. Hope this helps.
David

David

Thanks. I do use their data quite a bit, they just don't have any 140 data for H 4350.


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 25, 2020 12:13 pm 

Joined: Sat Dec 11, 2010 10:13 pm
Posts: 1419
Nosler #9. :shock: Didn't take then long to replace #8. :roll: :roll: :roll: :roll: :lol: :lol: :lol: :lol: :lol: Typo I'm sure :wink:
Paul B.


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Tue Feb 25, 2020 4:51 pm 
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Joined: Fri Mar 02, 2018 6:15 pm
Posts: 74
Location: Adirondacks
PJGunner wrote:
Nosler #9. :shock: Didn't take then long to replace #8. :roll: :roll: :roll: :roll: :lol: :lol: :lol: :lol: :lol: Typo I'm sure :wink:
Paul B.

Are you saying that there's a new version of the book that has the H 4350 data for 140 grain bullets, now? I called Nosler the other day and they said they didn't. They recommended I use the 140 and 145 grain data on the Hodgdon website as guidance, which I can do, I just like having as much data as possible to compare!


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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Wed Feb 26, 2020 1:46 pm 
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Joined: Sat Apr 30, 2016 8:18 am
Posts: 730
Location: SW Virginia
DrMike wrote:
Unfortunately, my data set does not have the 139 grain Barnes LRX included. Perhaps the current update will have it, but I haven't secured that data set yet.


It's because he left the "U" out of "favor", ins't it :lol: :lol:

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 Post subject: Re: A favor from Dr. Mike?;-)
PostPosted: Wed Feb 26, 2020 1:48 pm 

Joined: Wed Nov 08, 2006 2:49 pm
Posts: 32556
Location: Northern British Columbia
hunter24605 wrote:
DrMike wrote:
Unfortunately, my data set does not have the 139 grain Barnes LRX included. Perhaps the current update will have it, but I haven't secured that data set yet.


It's because he left the "U" out of "favor", ins't it :lol: :lol:


Well, that and I guess I haven't been neighboUrly. :mrgreen:

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