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Rifles, Bullets, Barrels & Ballistics Applied Ballistics


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quickload

 
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  #8  
Old 02-19-2004, 08:17 PM
Junior Member
 
Join Date: Feb 2004
Location: canada
Posts: 25
Re: quickload

Great now that i know everybody who has it i will be pumping you for load checks [img]images/icons/grin.gif[/img]
no just kiding [img]images/icons/smile.gif[/img] no its just i use a similar program for engine work and as you all said it has saved me alot of time and effort i just wanted to get some feed back on its value and acuracy. i have down loaded a demo version of it and will play with it and decide

thanks guy's jaeger
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  #9  
Old 02-19-2004, 11:43 PM
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Join Date: Jan 2002
Location: Okotoks, Alberta
Posts: 112
Re: quickload

There's some basic tricks to using it.
A. Try to build a load where Pmax and Z1 are on top of each other (in the graph), this gives the best groupings
B. Try to build a load with a minimum exit pressure, this will have the least bullet upset.
C. Keep the powder loaded in the brass just under or just over 100% (I use anywhere between 96%-105%), never right on 100%. If it's a 100%, some shells will be compressed and some not, they will have different burn characteristics.
D. After you've modeled a load, shot it and worked with it to get your groups tight, adjust the case volume setting in Quickload to get a matching muzzle velocity.
E. Once you've got a completed load, note the barrel time. This is your barrel harmonic time. Use this to create other loads for that barrel, match your barrel time and you should have a load that groups tightly.

Remember this is a modelling tool, and you must use it in conjunction with results from actual shooting really make it sing.

AB
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  #10  
Old 02-20-2004, 02:01 AM
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Join Date: Jun 2001
Location: Palmer, Alaska
Posts: 2,539
Re: quickload

AlbertaBound,
Is it really that simple in real life though. [img]images/icons/grin.gif[/img]
Good tips, and stuff I think about too.

jaeger,
What program do you use for motor building? Dyno 2000 Engine Simulation? I have that one, and I like it a lot.
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Brent Moffitt
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  #11  
Old 02-20-2004, 08:00 AM
*WyoWhisper*
 
Posts: n/a
Re: quickload

AJ,

20% tan, 20 % Black, 60% OD green.

Molded.....
cool huh...

I found a better combo.. for my 338 Lapua

20% white, 20% black, 60% tan.... you should see that SWEET!!!
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  #12  
Old 02-20-2004, 07:41 PM
Junior Member
 
Join Date: Feb 2004
Location: canada
Posts: 25
Re: quickload

Brent i use a performance trends program it works great [img]images/icons/smile.gif[/img]
jaeger
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  #13  
Old 02-21-2004, 12:23 AM
Platinum Member
 
Join Date: Aug 2003
Location: NC, oceanfront
Posts: 3,365
Re: quickload

Does anyone know any powder tweaks?
I'd love to add calibrated-psuedo WC-8xx, or benchmark
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  #14  
Old 02-21-2004, 01:41 AM
Silver Member
 
Join Date: Jan 2002
Location: Okotoks, Alberta
Posts: 112
Re: quickload

Brent,
I don't have extensive time with it, but the boy's over in AccurateReloading use it extensively. It certainly worked when I was fighting with an Abolt II 300WinMag with BOSS to build a load. I had put over 300 rounds through this rifle trying the ladder method, a modified ladder method, etc. and couldn't get my preferred bullet to group any tighter than 1.5". So in desperation I bought it, learned how to use it, and modeled a single load, next thing I know it's shooting 0.5" groups.

I also use it to do what-if's comparisons when I'm thinking of purchasing a different caliber.

AB
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