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speed guess

 
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  #1  
Old 09-06-2011, 11:18 AM
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speed guess

I haven't checked the speed yet ,Would like a educated guess on the speed of this load.
300 rum 180gr. ttsx with 95.5 gr. of reloader 25 out of a 26" tube.
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  #2  
Old 09-06-2011, 03:48 PM
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Re: speed guess

the 300RUM is rated at 64977 psi max . this load is 81557 PSI and produces 3299FPS . be careful Jim
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  #3  
Old 09-06-2011, 04:22 PM
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Re: speed guess

Hi Jim

What software did you use to determine the pressure of that scenario?

I'm looking for something that will calculate these numbers for me.

Thanks!

-Jason
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  #4  
Old 09-06-2011, 04:42 PM
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Re: speed guess

Hi Jason , quickload , I like it . a lot of guys on here use it . Jim
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  #5  
Old 09-06-2011, 04:46 PM
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Re: speed guess

Quote:
Originally Posted by jimbires View Post
Hi Jason , quickload , I like it . a lot of guys on here use it . Jim
Thanks!
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  #6  
Old 09-06-2011, 10:16 PM
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Re: speed guess

Idon't need that kind of speed or pressure but that group is the best.
Started at 93grains and worked up.It's not showing any signs of pressure.
What would you do?
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  #7  
Old 09-06-2011, 10:54 PM
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Re: speed guess

Definitely shoot over a chrony to see what the bullet is really doing. There are so many variables to consider that speculation is not a good place to be.

I have not used Quickload before, but when I shoot an accurate load, even when I think it may be hot, over my chrony, I find that my velocities are actually within the safe realm.

Powder variances from the lot the book was tested at to elevation to barrel twist and length all contribute to what the reality for your gun is.
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