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interpreting ladder test - need help!

 
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  #1  
Old 09-02-2013, 10:35 AM
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Join Date: May 2013
Posts: 132
interpreting ladder test - need help!

I need help interpreting a ladder test result. I don't know of a better place to get help. As some of you may have noticed, I have asked a lot of questions. I'm new to this and the only way for me to learn is to ask questions. So please bear with me.

I did a ladder test with a 270 win at 200 yards. Yes, I know that a typical ladder test is done at 1000 yards, but both of my gunsmiths said to do it at 200 yards, so I did.

Where are the nodes in this test??? No 2 and 3??? No 5,6,7 and 8???
Should I consider that #4 is a flier and disregard???

As a side note, I used some of the same powder charges as no 4 thru 8 and same bullets to hit a 5x7 gong at 450 yards 90% of the time.

HELP!!!

interpreting ladder test - need help!-sep_2_ladder_270win.jpg
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  #2  
Old 09-06-2013, 09:43 AM
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Join Date: Dec 2009
Location: Holland, MI
Posts: 1,494
Re: interpreting ladder test - need help!

What powder and how many grains for each load? Brass and primer? Buller type and weight? There is rarely a time you can give too little data.

I also shoot my ladders at 200 so I wouldn't worry there.

There are probably nodes at 2-3 and 6/7/8, with 7 or 8 a possible flyer? However, load data would help a bit to point you in the right direction.
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  #3  
Old 09-08-2013, 04:16 PM
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Re: interpreting ladder test - need help!

Quote:
Originally Posted by Dr. Vette View Post
What powder and how many grains for each load? Brass and primer? Buller type and weight? There is rarely a time you can give too little data.
Powder is H4350. Brass is Norma. WLRM primers. Barnes 130 grain TTSX.

1 - 52 grains
2 - 52.5
3 - 53
4 - 53.5
5 - 54
6 - 54.5
7 - 55
8 - 55.5
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  #4  
Old 09-08-2013, 04:30 PM
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Join Date: Jul 2013
Posts: 55
Re: interpreting ladder test - need help!

Reload 5 each of (3, 6 & 8). Shoot 5 round group of each and see how they do.
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  #5  
Old 09-08-2013, 04:32 PM
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Join Date: Jul 2013
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Re: interpreting ladder test - need help!

BTW, there are very few of us who have access to a 1000 yard range to shoot ladders. So I''m not sure who told you a ladder should be done at 1000 yards.
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  #6  
Old 09-08-2013, 05:26 PM
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Join Date: May 2013
Posts: 132
Re: interpreting ladder test - need help!

Quote:
Originally Posted by rcairflr View Post
Reload 5 each of (3, 6 & 8). Shoot 5 round group of each and see how they do.
I thought the idea of a ladder test was to find a node where there was not much vertical spread with incremental powder charges (and velocity increases)? I don't understand why you suggested shooting 3, 6 and 8? Just because they were very close together???
There is a sticky describing a ladder test and it suggests shooting at 1000 yards.
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  #7  
Old 09-09-2013, 01:34 AM
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Join Date: Sep 2005
Location: Central AZ
Posts: 859
Re: interpreting ladder test - need help!

Typically, you shoot three targets when shooting a ladder test so that you can confirm nodes (or flyers for that matter). Do you have them, or did you shoot just this one target?
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