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Conversion ratio for IMR4350 and H4831
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Picture of Steve
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Anyone know the conversion ratio for IMR4350 and H4831 from Cordite?. Is 1.33 a good number for both of these powders? (remembering to start 5% lower)

Thanks!

-Steve


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www.zonedar.com

If you can't be a good example, be a horrible warning
DRSS C&H 475 NE
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Posts: 2781 | Location: Hillsboro, Or-Y-Gun (Oregon), U.S.A. | Registered: 22 June 2000Reply With Quote
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What cartridge are you loading for? Perhaps someone already has 4350 data.
 
Posts: 18352 | Location: Salt Lake City, Utah USA | Registered: 20 April 2002Reply With Quote
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quote:
Originally posted by 500grains:
What cartridge are you loading for? Perhaps someone already has 4350 data.


Dan,

Sorry about that. I should have included that info. 475 NE. (3 1/2 inch, not #2)

-Steve


--------

www.zonedar.com

If you can't be a good example, be a horrible warning
DRSS C&H 475 NE
--------
 
Posts: 2781 | Location: Hillsboro, Or-Y-Gun (Oregon), U.S.A. | Registered: 22 June 2000Reply With Quote
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Steve,
Could I talk you into some RL-15 and filler?


Rusty
We Band of Brothers!
DRSS, NRA & SCI Life Member

"I am rejoiced at my fate. Do not be uneasy about me, for I am with my friends."
----- David Crockett in his last letter (to his children), January 9th, 1836
"I will never forsake Texas and her cause. I am her son." ----- Jose Antonio Navarro, from Mexican Prison in 1841
"for I have sworn upon the altar of god eternal hostility against every form of tyranny over the mind of man." Thomas Jefferson
Declaration of Arbroath April 6, 1320-“. . .It is not for glory, nor riches, nor honours that we are fighting, but for freedom - for that alone, which no honest man gives up but with life itself.”
 
Posts: 9797 | Location: Missouri City, Texas | Registered: 21 June 2000Reply With Quote
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Rusty,

First off, thanks for the foam. It was on my front porch when I got home. I was tickled pink to find it there. Please let me know if I can return the favor.

I tried R15 last weekend and wasn't getting both barrels to get close at 50 yrds. Once I got to 83 grns (all with three grns of Dacron on top of the powder) it was getting close to max velocity. The barrels were still not converging, but getting closer.

Thought I'd try the other powders and see how they did.

-Steve


--------

www.zonedar.com

If you can't be a good example, be a horrible warning
DRSS C&H 475 NE
--------
 
Posts: 2781 | Location: Hillsboro, Or-Y-Gun (Oregon), U.S.A. | Registered: 22 June 2000Reply With Quote
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Picture of Rusty
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Steve,
Glad the foam got there!


Rusty
We Band of Brothers!
DRSS, NRA & SCI Life Member

"I am rejoiced at my fate. Do not be uneasy about me, for I am with my friends."
----- David Crockett in his last letter (to his children), January 9th, 1836
"I will never forsake Texas and her cause. I am her son." ----- Jose Antonio Navarro, from Mexican Prison in 1841
"for I have sworn upon the altar of god eternal hostility against every form of tyranny over the mind of man." Thomas Jefferson
Declaration of Arbroath April 6, 1320-“. . .It is not for glory, nor riches, nor honours that we are fighting, but for freedom - for that alone, which no honest man gives up but with life itself.”
 
Posts: 9797 | Location: Missouri City, Texas | Registered: 21 June 2000Reply With Quote
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