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The Basics, Starting Out
Please Explain the Math Basics...
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<blockquote data-quote="GBA1776" data-source="post: 321386" data-attributes="member: 20522"><p>I Am using the tajectory zero angle program, i got it emailed to me from this site </p><p> I am having some trouble with the parameters, So i have a few questions </p><p>What is the bullet impact ht. is that the size of the hole the bullet makes in the target or what. I know its not the target ht. because there is a spot for that, </p><p> </p><p>Also i know published B.C data is using the G1 model regardless of the bullet shape, and thats all fine and dandy. but manufacturers even say we use the g1 model but Scince the g models are old, really old, the G1 model doesnt accurately represent the particular bullet they are testing. I would like to know the B.C decay rates for other bullet models, </p><p> </p><p>or is there a decay rate formula? id think using measurements and the B.C there should be a way to get the decay rate</p><p> </p><p>oh and bullet length thats the length of a new cartrige right? because when i measured the projectile the calculator spit out 110 inches of windage and 50 inches of drop at 100 yds wich is way way off.</p><p> and when i measured the whole thing it said .5" wind and 1" drop with my gun sighted at 50 yds wich was alot closer to the results i was seeing.</p><p> </p><p>i usually zero at 125 but i wanted to really test the calculator so i brought it way in </p><p>the calculator is within about 1.5" in any direction to what i see at the range </p><p> </p><p>If anyone is framilliar with the program or anything im asking about i really appreciate any help you can give</p></blockquote><p></p>
[QUOTE="GBA1776, post: 321386, member: 20522"] I Am using the tajectory zero angle program, i got it emailed to me from this site I am having some trouble with the parameters, So i have a few questions What is the bullet impact ht. is that the size of the hole the bullet makes in the target or what. I know its not the target ht. because there is a spot for that, Also i know published B.C data is using the G1 model regardless of the bullet shape, and thats all fine and dandy. but manufacturers even say we use the g1 model but Scince the g models are old, really old, the G1 model doesnt accurately represent the particular bullet they are testing. I would like to know the B.C decay rates for other bullet models, or is there a decay rate formula? id think using measurements and the B.C there should be a way to get the decay rate oh and bullet length thats the length of a new cartrige right? because when i measured the projectile the calculator spit out 110 inches of windage and 50 inches of drop at 100 yds wich is way way off. and when i measured the whole thing it said .5" wind and 1" drop with my gun sighted at 50 yds wich was alot closer to the results i was seeing. i usually zero at 125 but i wanted to really test the calculator so i brought it way in the calculator is within about 1.5" in any direction to what i see at the range If anyone is framilliar with the program or anything im asking about i really appreciate any help you can give [/QUOTE]
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The Basics, Starting Out
Please Explain the Math Basics...
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