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Offline Joel45acp

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Case Pressure?
« on: August 22, 2007, 04:47:21 AM »
How can a person who is developing a load calculate the case pressure with a given powder?  I'm trying to figure out how much of BE to use in a 30/30 using 110gr SP.  I know there are better powders for the job, but BE is all I have.  I do have several years of reloading experience under my belt.  I have a site that I got from a trusted member here, but it only has loads for 170 cast boolits.  Can you help me?  Thanks in advance.
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Offline LaOtto222

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Re: Case Pressure?
« Reply #1 on: August 22, 2007, 05:56:24 AM »
I am not aware of any formula to calculate pressure (that does not mean there isn't one). I have been reloading for a while myself, but I am not sure what powder "BE" is. Most of my experience is with the medium burning powders (the 30-30 falls in that range). If a powder is not listed in my reloading books, I look at the burn rate of the powder in respect to the powders listed in one of several burn rate charts I have in the loading manuals. You do use manuals, right? If it is out side of those burn rates, I get real suspicious that it will not work very well; or maybe not at all for my application. In other words you will get very unsatisfactory results. It will burn too fast or too slow to get any worth while velocity or it will develop dangerously high pressures. Another thing you can do is go to the site that manufactures "BE" powder and see if they have 30-30 loads listed for it. If they do not have it listed, I would back away; far, far away.  ;)
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Offline Joel45acp

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Re: Case Pressure?
« Reply #2 on: August 22, 2007, 06:27:41 AM »
Sorry, BE is Bullseye powder.  I hear 2400, blue dot, and unique are good pistol powders for 30/30.  I'll keep researching.  Thanks for your insight.
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Offline LaOtto222

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Re: Case Pressure?
« Reply #3 on: August 22, 2007, 07:28:53 AM »
OK, I have heard of that alright. ;D That is a very fast pistol powder. While I am sure you can get it to go bang, your velocities will be very low and pressures will be high. I have no data to work with. The only things I have seen Bullseye in are small, straight sided pistol cases; yes the 45 auto is a small capacity case. I would start with the 170 grain loading and work your way up very slowly. On second thought forget the Bullseye and save up some money and get a good rifle powder suitable for the 30-30, there are a lot of 'em. Bullseye is not one. ;) Good luck to you :)
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Offline Joel45acp

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Re: Case Pressure?
« Reply #4 on: August 22, 2007, 08:59:27 AM »
Thanks.  I think I'll just go with a rifle powder and forget the BE.  Later.
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Offline skb2706

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Re: Case Pressure?
« Reply #5 on: August 22, 2007, 09:16:11 AM »
I'd suggest before you spent a dime on powder to spend $25 and buy a decent loading manual. Then read it.

Soliciting for loading data, via the internet, for a combination of powder and chambering that clearly do not mix is a recipe for disaster.

There is no smokeless powder I have ever seen mentioned that was ever referred to as "BE". Just because its "all you have" doesn't make it safe.

Once you're set with a loading manual and have good information in front of you....an excellent powder for your 30-30 is WW 748
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Offline LaOtto222

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Re: Case Pressure?
« Reply #6 on: August 22, 2007, 10:49:56 AM »
skb2706 was a little more blunt than I was, but he is absolutely right. I was trying to say those same things, like I said skb2706 got right to the point. We are just trying to save you from getting your gun blown up or getting yourself or someone near and dear to you hurt. Heed this advice, you will not be sorry. Be a student, be prudent, and above all else sweat the details, you will get much more enjoyment and satisfaction out of reloading. ;) Believe me, if something bad happens there will be no enjoyment. :o BTW there is some excellent information at the top of this page. It is by no means a totally comprehensive primer on reloading but it will give you some thing to maul over while you save up for a manual and proper powder.
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Offline cwlongshot

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Re: Case Pressure?
« Reply #7 on: August 22, 2007, 12:16:35 PM »
Joel,
 I agree with both posts above. this is what I was eluding to in my other post... 


I don't really know for sure what your trying to attain..but an educated guess is a light recoiling load for JR. If this is a plinker/training load the 100 and 110 bullets are just fine. If your looking for something for Deer, well the 100/110 is a tad on the light side. Speer makes a 130SP and there is the SIERRA 125 HP I mentioned before.

As a rule I do not like offering an exact recipe online... but I did run down to the bench and snatch an old SPEER#11 Manuel. If I just list STARTING LOADS these will give you a SAFE load with the least recoil based solely on bullet weight and powder burned.  Looks like IMR powders 4350, 4064 and 3031 will get you the lowest velocities. (Not necessarily the least recoil)

100gr SPEER BULLET, 37grs of IMR 3031 powder

110gr SPEER BULLET, 36grs of IMR 4350 powder

130gr SPEER BULLET, 29grs of IMR 4064 powder

These are all starting loads and should net about 1900 - 2000FPS.

 I STRONGLY recommend a good loading Manuel like the LYMAN. I like them as they don't make bullets, powder or primers. They tend to be a bit less biased.

 CW
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Offline stimpylu32

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Re: Case Pressure?
« Reply #8 on: August 22, 2007, 02:02:19 PM »
Joel

Here it is BLUNT and TO THE POINT !!!! Leave the BE to pistol rounds and get a rifle powder for the 30/30 .

If you are looking for a reduced load try H4895 , it works well for the 30/30 as well as many other rifle rounds , and you can drop the powder charge by 40% and still be safe .

stimpy
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Offline LaOtto222

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Re: Case Pressure?
« Reply #9 on: August 22, 2007, 02:39:40 PM »
Stimpy...I am continually amazed at what people think about or try to do. Joel said he had several years of experience. I think he is backing off of the thought of using "BE"... BE???? anyway. There was another thread not very far down about using a heavy load of Unique in a 223, 13 grains I believe. He said that 11 was okee dokee but he wasn't getting the velocity he wanted and he was going to go to 13. I think we talked him out of that, but he is still going to try to work up to it from 11 grains. What are they thinking? I love to reload, but this kind of stuff ruins it for a lot of people. It is so simple... get a manual or two or three, follow the instructions and recipes. Work up slowly. Pay attention to the details and all will be well. You will not hold your head off to the side expecting it to blow up.
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Offline Joel45acp

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Re: Case Pressure?
« Reply #10 on: August 22, 2007, 03:02:54 PM »
Thanks guys and I take no offense to your comments.  Just for the record, I do have several years of pistol reloading experience and have developed quite a few loads not found in any manual.  But, I guess some if not most of you folks have done the same.  I've read some manuals that list pistol powders such as Blue Dot, Unique and 2400 just to name a few that have a reputation of working quite well in 30/30s.  Bullseye, however was never mentioned.  That was the basis of my research.  One can only educate themselves if they ask questions to which they themselves have no answers to.  Thanks for the input guys.  It is much appreciated and heeded.   
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Joel C.

Offline stimpylu32

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Re: Case Pressure?
« Reply #11 on: August 23, 2007, 05:29:25 AM »
Joel

We are just trying to keep you in one peice , as for the Unique , it is a whole nother animal , i burn pounds of it in my 30/30 and 45/70 but only with CAST bullets and FACTORY load data .

The only rounds that i use Bullseye for are the 9mm and 45 auto both do well with it .

stimpy
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