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I've written a small spreadsheet and have been plugging in the data and now with another "view" of the values to plug in things are taking on some real interesting comparison. I've also added Energy (avg. vel x avg. vel x bullet weight / 450240). Im using the Kernals 1% formula but im still not sure how to write the formula you were using. Should I be looking at the % of change from min to max vel.? Ex. Min= 3477fps, Max= 3482 @ 8' from the muzzle. Avg. is 3479.5, s.d.1.80, now...what do I do? (b-a)/a*100 ? lets see. 3482-3477=5fps/3477=.0014*100=.1438 % of change. would that be +/- .1438%? considerably less than +/- 3%. nope...lets see my range is 5 fps. 6% of the avg vel. is 208.77 fps... (the group i shot was .2555). How did you work it out?
dont these amatures drive ya nuts! If you can show me the formula I'll plug it in and send you a copy of the spreadsheet. Its real interesting when you sort.
tgs
tgs
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