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Chronograph needed for reloading?
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<blockquote data-quote="Kennibear" data-source="post: 926383" data-attributes="member: 51650"><p>Unlike many of the posts so far I would recommend you buy a chronograph as your <strong>FIRST</strong> reloading purchase. I even recommend that non reloaders get one as factory ballistics are the marketing department's pipe dreams! I couldn't wait for my first Shooting Chrony to show up and it was a huge awakening as to what all my loads were doing.</p><p></p><p>Chronographed a friend's new 7 mm RemMag with an assortment of factory loads and most were 100+ fps slow. One was advertised @ 3050 fps and shot over the screens at 2700 fps! Hornady Superformance were only 20 fps slow and his barrel was 2" shorter than the test barrel. He hunts with the Hornaday's.</p><p></p><p>The opticals have issues with the light but they work fine with a few simple rules:</p><p>1) No direct sunlight into the sensing slits. I put a piece of tape across the uprights to cast a shadow over the sensing slits.</p><p>2) Always uses the diffusers. The consistent backdrop helps a lot.</p><p>3) Rain sucks.</p><p>4) Dull days and bright days are a problem. Average days work best. Bright days overwhelm the sensors and dull days don't give enough contrast.</p><p>5) Put the optics as far as is reasonable from the muzzle. Close in the muzzle blast of a magnum rifle rattles the chronograph pretty good. The powder shock wave is in front of the bullet for a short distance from the muzzle and it will really screw up the results. When I set the chronograph at the limit of the wires I don't have problems. That is about 12-15 feet for the Beta Master or CED MII.</p><p></p><p>My two are mounted on armored sleds to take an accidental hit. The extra weight really anchors them down and they don't shudder nearly as much as before.</p><p></p><p>B.C. (before chronographs) I had a load for Dad's pre-war PPk in 7.62 Kurtz (ACP) that tossed a cast 71 gr bullet with the maximum load of Unique from a reputable manual. When I got my first Chrony they were clocking north of 1300 fps! That would explain the empties being tossed some 30 feet to the right! That load was reduced substantially. That is the only reason I need to own a chronograph.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 926383, member: 51650"] Unlike many of the posts so far I would recommend you buy a chronograph as your [B]FIRST[/B] reloading purchase. I even recommend that non reloaders get one as factory ballistics are the marketing department's pipe dreams! I couldn't wait for my first Shooting Chrony to show up and it was a huge awakening as to what all my loads were doing. Chronographed a friend's new 7 mm RemMag with an assortment of factory loads and most were 100+ fps slow. One was advertised @ 3050 fps and shot over the screens at 2700 fps! Hornady Superformance were only 20 fps slow and his barrel was 2" shorter than the test barrel. He hunts with the Hornaday's. The opticals have issues with the light but they work fine with a few simple rules: 1) No direct sunlight into the sensing slits. I put a piece of tape across the uprights to cast a shadow over the sensing slits. 2) Always uses the diffusers. The consistent backdrop helps a lot. 3) Rain sucks. 4) Dull days and bright days are a problem. Average days work best. Bright days overwhelm the sensors and dull days don't give enough contrast. 5) Put the optics as far as is reasonable from the muzzle. Close in the muzzle blast of a magnum rifle rattles the chronograph pretty good. The powder shock wave is in front of the bullet for a short distance from the muzzle and it will really screw up the results. When I set the chronograph at the limit of the wires I don't have problems. That is about 12-15 feet for the Beta Master or CED MII. My two are mounted on armored sleds to take an accidental hit. The extra weight really anchors them down and they don't shudder nearly as much as before. B.C. (before chronographs) I had a load for Dad's pre-war PPk in 7.62 Kurtz (ACP) that tossed a cast 71 gr bullet with the maximum load of Unique from a reputable manual. When I got my first Chrony they were clocking north of 1300 fps! That would explain the empties being tossed some 30 feet to the right! That load was reduced substantially. That is the only reason I need to own a chronograph. KB [/QUOTE]
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