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Any Tips for a New Loadbase User?

 
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  #1  
Old 05-21-2010, 08:40 PM
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Any Tips for a New Loadbase User?

Just got the new Loadbase 3.0 installed, up and running. Huge THANK YOU ! to Tim " Autorotate " for many hours on the phone helping me get this all installed and running. And also THANK YOU ! to Javiair "Eaglet" for his help and info in the past about Loadbase.

Now I have it and I will admit I am a bit overwhelmed.

So from you guys that are using this program, what are some pointers to get the first rifle perfected on here. It will be my .338 Lapua with the 300 gr Bergers.

Do I need to do the multipul velocities at a few different distances?

Other pointers / tips please......

Thanks!

Jeff
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Old 05-21-2010, 10:17 PM
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Re: Any Tips for a New Loadbase User?

Plug in the G7 BC and leave the drag at .500. Get you environmental stuff right and let it rip. Eaglet has really helped me get it going, I've been using Loadbase for almost 2 years.

Through you numbers out and get a few users to run them, it helps find the little errors and the nuances of the program.

I have yet to calculate BC using a crony cause the G7 with a Berger is right on. There are an abundance of tools and I have been slowly using more and more of them as I get comfortable with the main parts of the program.
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Old 05-22-2010, 08:37 AM
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Re: Any Tips for a New Loadbase User?

The only load I have in it so far is the 338 LM with 300 gr Bergers. It is showing even a lower velocity than exbal to get it to match up with the point of impact at 1000 yards. I dont believe this velocity is correct in either program. I have a "new to me" pact with infared screens on its way and I will check and see. Both programs with the 300 gr Bergers say that I lost 100 fps by changing bullet and dropping from 92.5 to 91.5 gr of powder. That just does not sound right to me.

Jeff
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Old 05-22-2010, 09:04 AM
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Re: Any Tips for a New Loadbase User?

What are the numbers your using? Maybe I can punch them in and see what I'm getting.
So far using Brian Litz's G7 numbers with other bullets has worked very good so I would look at enviroment conditions first and review all data.
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Old 05-22-2010, 09:19 AM
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Re: Any Tips for a New Loadbase User?

Quote:
Originally Posted by bigngreen View Post
What are the numbers your using? Maybe I can punch them in and see what I'm getting.
So far using Brian Litz's G7 numbers with other bullets has worked very good so I would look at enviroment conditions first and review all data.
I could be missing something, but trust me, I have reviewed it..

With a 300 smk .768 G1 bc at 2805 mv 300 yard zero it takes 20.5 moa to be on at 1000 in exbal.

with the berger I dropped the load 1 gr of h-1000 so I lost a bit of mv. Reset 300 yard zero. Using a G7 bc of .455 in load base I have to drop to 2695 mv to get the come up right.

Both were shot at a baro of 25.63 and a temp of 70* hum of 30%

I need to check the velocity but I am having a hard time believing i lost over 100 fps when the reason I dropped th charge was due to pressure sign.

Jeff
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Last edited by Broz; 05-22-2010 at 09:24 AM.
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Old 05-22-2010, 09:28 AM
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Re: Any Tips for a New Loadbase User?

What did you end up at with your come ups?
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  #7  
Old 05-22-2010, 09:41 AM
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Re: Any Tips for a New Loadbase User?

Quote:
Originally Posted by bigngreen View Post
What did you end up at with your come ups?
Actual come up was 20.5 to be on target, well actually 1/4 moa high. Programs were saying like 19 till I dropped my MV to 2705 on exbal using the G1 bc, and to 2695 using the G7 bc with loadbase.

Jeff

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