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      bax replied to the thread Garmin Chronograph - calibration?.
      The drop depends on the gravitational constant and flight time - S = 1/2AT**2. Flight time between any two points on the trip depends...
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      bax replied to the thread Garmin Chronograph - calibration?.
      I get a 100 yards zero, I usually slip turrets. Then I shoot at 200 yards until I am on then I write down the scope elevation above the...
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      bax replied to the thread Garmin Chronograph - calibration?.
      You guys are going to a lot of trouble to tell me that my technique for estimating velocity won't work. Well, too bad. It has been...
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      bax replied to the thread Garmin Chronograph - calibration?.
      Apparently I didn't explain my "without a chrono" process - it involves shooting. 1. shoot and adjust until your have a 100 yard zero...
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      I developed a load without a chrono - I just shot for accuracy and used the elevation measurements from the scope to determine velocity...
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      bax reacted to rustyinbend's post in the thread 300 PRC with Like Like.
      I get it (maybe). You're looking for "the answer" and I'm talking about "the process". First point is that I've never experienced...
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      Yes, match primers, not standard 215s. I'm not really sure there is a difference but that is what I have been shooting and I want to...
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      I have 5,900 205M, lot number is 5BY262. These are in 6 each 1k bricks. Always kept cool, dry, and in the dark. I need 215M. I...
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      bax replied to the thread Verifying Muzzle Velocity.
      There are two primary factors determining drop: atmospheric drag on the bullet and gravity. As air density increases, bullets lose...
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      bax replied to the thread Condensation.
      Consider 100% relative humidity at minus 20 F. When this happens in Anchorage Alaska and the wind is nearly but not quite calm, it is...
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      bax replied to the thread Verifying Muzzle Velocity.
      I am shooting a 300 PRC with Berger 230 grain hybrids, 26 inch barrel, estimating 2725 fps. I use the Applied Ballistics app on my...
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      bax replied to the thread Fired brass same size as unfired.
      Right you are, my mistake. I use Forster headspace gauges and mitutoyo caliper that measures to .0005 precision. I made some...
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      bax replied to the thread Fired brass same size as unfired.
      According to SAAMI, headspace at the .330 mark is 1.4666 minus 7 thou. You could have a chamber that is 1.460, just on the short end of...
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      This is interesting to think about. I'm thinking that "burn rate" is determined by pressure, physical shape, initial state powder...
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      bax replied to the thread Curious reloading problem.
      I am trying to work it out, I am not trying to be disagreeable. "The excess brass" ... where did the excess come from? Why is it...
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