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Picture of Mike_Dettorre
posted
Wondering what the calculated pressure and estimated velocity is for:

30-06
COL: 3.305
Winchester Case
CCI BR-2 Primer
Berger VLD Hunting Bullet 175 grns
H4350 57.8 grains
24 inch bbl


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
Picture of ramrod340
posted Hide Post
Calcualtes 2840 @ 69412 using std burn rate. Allowing for +/- 10% burn rate goes from very hot to ok. If you have worked up to it and are seeing no pressure I would say your burn rate is slower then the QL std.


Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 185, Berger M T VLD #30413
Useable Case Capaci: 58.210 grain H2O = 3.779 cm³
Cartridge O.A.L. L6: 3.305 inch = 83.95 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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

-10.0 99 52.02 2566 2706 49621 8470 96.2 1.285
-09.0 100 52.60 2594 2764 51302 8557 96.5 1.265 ! Near Maximum !
-08.0 101 53.18 2621 2823 53042 8641 96.9 1.247 ! Near Maximum !
-07.0 102 53.75 2649 2882 54843 8722 97.3 1.228 ! Near Maximum !
-06.0 104 54.33 2676 2942 56708 8801 97.6 1.210 ! Near Maximum !
-05.0 105 54.91 2704 3003 58640 8876 97.9 1.193 ! Near Maximum !
-04.0 106 55.49 2731 3064 60642 8947 98.2 1.175 !DANGEROUS LOAD-DO NOT USE!
-03.0 107 56.07 2759 3126 62717 9016 98.4 1.158 !DANGEROUS LOAD-DO NOT USE!
-02.0 108 56.64 2786 3188 64867 9080 98.7 1.141 !DANGEROUS LOAD-DO NOT USE!
-01.0 109 57.22 2813 3251 67098 9142 98.9 1.125 !DANGEROUS LOAD-DO NOT USE!
+00.0 110 57.80 2840 3314 69412 9199 99.1 1.109 !DANGEROUS LOAD-DO NOT USE!
+01.0 111 58.38 2867 3378 71812 9253 99.3 1.093 !DANGEROUS LOAD-DO NOT USE!
+02.0 112 58.96 2895 3442 74305 9303 99.5 1.077 !DANGEROUS LOAD-DO NOT USE!
+03.0 113 59.53 2922 3506 76893 9349 99.6 1.062 !DANGEROUS LOAD-DO NOT USE!
+04.0 115 60.11 2949 3572 79582 9392 99.7 1.046 !DANGEROUS LOAD-DO NOT USE!
+05.0 116 60.69 2976 3637 82376 9429 99.8 1.032 !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 110 57.80 2949 3573 81942 8895 100.0 1.037 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 57.80 2688 2968 57145 9090 94.5 1.202 ! Near Maximum !


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
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Picture of Mike_Dettorre
posted Hide Post
Paul,

Thanks, your data says 185 grn was that a typo...the bullet is a 175 grn


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
Picture of ramrod340
posted Hide Post
quote:
Thanks, your data says 185 grn was that a typo...the bullet is a 175 grn

Nope user error. killpc

Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 175, Berger M T BT VLD #30412
Useable Case Capaci: 59.751 grain H2O = 3.880 cm³
Cartridge O.A.L. L6: 3.305 inch = 83.95 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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

-10.0 97 52.02 2562 2550 45140 8398 94.4 1.306
-09.0 98 52.60 2590 2606 46647 8494 94.9 1.287
-08.0 99 53.18 2617 2662 48204 8588 95.3 1.268
-07.0 100 53.75 2645 2719 49808 8679 95.7 1.249
-06.0 101 54.33 2673 2776 51462 8767 96.1 1.231 ! Near Maximum !
-05.0 102 54.91 2701 2834 53167 8853 96.5 1.213 ! Near Maximum !
-04.0 103 55.49 2728 2893 54932 8935 96.9 1.196 ! Near Maximum !
-03.0 104 56.07 2756 2952 56758 9015 97.2 1.179 ! Near Maximum !
-02.0 105 56.64 2784 3011 58648 9092 97.5 1.162 ! Near Maximum !
-01.0 106 57.22 2811 3071 60605 9165 97.8 1.145 !DANGEROUS LOAD-DO NOT USE!
+00.0 107 57.80 2839 3132 62632 9236 98.1 1.129 !DANGEROUS LOAD-DO NOT USE!
+01.0 108 58.38 2867 3193 64732 9303 98.4 1.113 !DANGEROUS LOAD-DO NOT USE!
+02.0 109 58.96 2894 3255 66908 9366 98.6 1.097 !DANGEROUS LOAD-DO NOT USE!
+03.0 110 59.53 2922 3317 69164 9426 98.8 1.081 !DANGEROUS LOAD-DO NOT USE!
+04.0 112 60.11 2949 3380 71504 9483 99.1 1.066 !DANGEROUS LOAD-DO NOT USE!
+05.0 113 60.69 2977 3443 73930 9535 99.2 1.051 !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 107 57.80 2960 3405 74028 9057 100.0 1.054 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 107 57.80 2676 2783 51532 8983 92.4 1.227 ! Near Maximum !


So now you have the data if you ever decide to to try the 185s. Roll Eyes


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
One of Us
Picture of Mike_Dettorre
posted Hide Post
Paul,

Thanks very much...sounds like the loads is a little too hot.

Probably should back down and look for the next accuracy node...


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
Picture of ramrod340
posted Hide Post
quote:
Thanks very much...sounds like the loads is a little too hot.

Probably should back down and look for the next accuracy node...

Mike if you have worked up to it and have seen no issues I wouldn't drop it because QL pressure was over 62,000. There is no reason in a modern rifle that the 06 case can't be loaded to 65,000 just like the 270& 25-06. Plus just a touch slower burn rate would drop you closer to 60,000.

QL is a data point only. What is your rifle and brass telling you.


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
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Picture of Mike_Dettorre
posted Hide Post
No excessive pressure signs at all. Primers are 100% normal bolt lift is fine.

It on an FN commercial action. Probably a JC Higgins donor.


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
Picture of ramrod340
posted Hide Post
quote:
No pressure signs at all. Primers are 100% normal bolt lift is fine.

It on an FN commercial action. Probably a JC Higgins donor.

If it is accurate I'd leave it alone and shoot it.


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
One of Us
posted Hide Post
#11 is "If people keep running data for you on their program then you don't have to buy the program".
 
Posts: 538 | Location: North of LA, Peoples Rep. of Calif | Registered: 27 November 2004Reply With Quote
One of Us
Picture of vapodog
posted Hide Post
quote:
Originally posted by Fat_Albert:
#11 is "If people keep running data for you on their program then you don't have to buy the program".
I plead guilty!!!!!


///////////////////////////////////////////////////////////////////////////
"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
 
Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003Reply With Quote
one of us
Picture of ramrod340
posted Hide Post
quote:
11 is "If people keep running data for you on their program then you don't have to buy the program".

Ok I'll quit Wink


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
One of Us
Picture of Mike_Dettorre
posted Hide Post
But I give so much in so many other ways... Smiler


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
Picture of ramrod340
posted Hide Post
You are right Mike since you give so much in other ways Wink I'll keep helping you. wave


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
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