Thread: 440m ladder test

Originally Posted by The Claw

Watched a video recently by Ryan Furman on Long Range Only about this type of load development (which I'm going to try) and his experience showed that the testing needs to be done at a minimum of 600m and preferably 800-1000m if you have a very accurate rifle. And 2 shots per charge weight.

You need to be this far away to get meaningful results and to be able to isolate vertical nodes properly

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I have read a fair bit Ryan has written and he is a clued up guy read alot of info he has put up about the 30 nosler. To test that far the conditions would have to be pretty perfect. Not saying it cant be done. I think 440yards has given a good indication there. two shots per charge is definatley idea though.

Originally Posted by Tim Dicko

I have read a fair bit Ryan has written and he is a clued up guy read alot of info he has put up about the 30 nosler. To test that far the conditions would have to be pretty perfect. Not saying it cant be done. I think 440yards has given a good indication there. two shots per charge is definatley idea though.

He reckons the results are still accurate with some wind. As long as you accurately place your shots and call any pulled shots before you see the target. It's vertical nodes that you are looking for and can discount horizontal due to wind. He also doesn't use a chrony during this testing phase as he reckons tight vertical is more important than flat velocity nodes

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Originally Posted by The Claw

He reckons the results are still accurate with some wind. As long as you accurately place your shots and call any pulled shots before you see the target. It's vertical nodes that you are looking for and can discount horizontal due to wind. He also doesn't use a chrony during this testing phase as he reckons tight vertical is more important than flat velocity nodes

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Thats interesting. Its a combination of things It depends on your methodology. i remember watching a video Dave Tubb was saying he does a ladder load at 200 yards quite offen by the sounds of it. https://www.youtube.com/watch?v=qP4PBnX6cZ8 11minutes in.