SuperGoose75 Posted October 11, 2019 Report Share Posted October 11, 2019 (edited) Ok I feel a bit silly asking this question, but I'll ask anyhow. When marking out the 30inch circle on paper or cardboard with a nail and string, do you measure out 15inches from centre point? therefore when you have the circle completed you will have a 30'' circle. Or do you measure out 30 inches from the centre point? Seems like a novice question but it's something I'm not 100% sure on. Thanks. Edited October 11, 2019 by SuperGoose75 Quote Link to comment Share on other sites More sharing options...
Old farrier Posted October 11, 2019 Report Share Posted October 11, 2019 15 inches from the centre 😊 Quote Link to comment Share on other sites More sharing options...
bishop Posted October 11, 2019 Report Share Posted October 11, 2019 (edited) better marking a centre point only--shoot your round off and draw the 30" circle from the centre point of the pattern as it shows on the paper AFTER THE SHOTS FIRED Edited October 11, 2019 by bishop Quote Link to comment Share on other sites More sharing options...
panoma1 Posted October 11, 2019 Report Share Posted October 11, 2019 5 minutes ago, bishop said: better marking a centre point only--shoot your round off and draw the 30" circle from the centre point of the pattern as it shows on the paper AFTER THE SHOTS FIRED ^ This......draw the 30” circle, using the densest concentration of shot as a centre point! Quote Link to comment Share on other sites More sharing options...
SuperGoose75 Posted October 11, 2019 Author Report Share Posted October 11, 2019 Thank you gents for the answer and advice.👍 I can't get hold of my favourite duck load and have got some new ones and also some steel cartridges that I want to see what they are doing through the SP chokes in my gun. Thanks again. Quote Link to comment Share on other sites More sharing options...
wymberley Posted October 11, 2019 Report Share Posted October 11, 2019 The 30" circle will tell you how your barrels are choked. While you're at it and for the sake of an extra few seconds, a second concentric 20" circle will tell you how effective that choke is. Quote Link to comment Share on other sites More sharing options...
dipper Posted October 11, 2019 Report Share Posted October 11, 2019 I use a piece of wood about 17” long .A nail fixed at one end and a pencil fixed at the other exactly 15” apart.I put up pattern paper at 40 yards away.Shoot at mark in middle of paper then eyeball the pattern to find centre of pattern and put your nail on it . The mark you shot at not always middle of pattern.Then work out percentage.Your 1/2 choke could be shooting any%.If you’ve never done this before try different cartridges and shot sizes you will learn something. Quote Link to comment Share on other sites More sharing options...
figgy Posted October 11, 2019 Report Share Posted October 11, 2019 Don't forget to mark a spot centre of your pattern paper, helps with seeing your point of impact as well as your pattern. Youmight find your gun needs a bit of fitting or shim if an auto. Quote Link to comment Share on other sites More sharing options...
SuperGoose75 Posted October 12, 2019 Author Report Share Posted October 12, 2019 Thanks for the advice fellas👍 I usually just operate with trial and error in the field. I had a duck load that I was happy with that added a lot of confidence to my shooting. I had what I have now before! And being a pretty expensive cartridge I just didn't have the same confidence as with other ones. It could be a simple case of changing chokes ''which I rarely ever do'' . I also bought some expensive steel shot to try out as it is looking ever likely that our days are numbered with lead shot here! I hope it will not be the case. Quote Link to comment Share on other sites More sharing options...
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