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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
First time doing a ladder test...
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<blockquote data-quote="Kennibear" data-source="post: 947214" data-attributes="member: 51650"><p>All very good advice. As to barrel temp:</p><p></p><p>Two methods I have adopted:</p><p></p><p>1) Tape a type "K" thermocouple to the barrel with a small piece of aluminum HVAC tape- the kind that is like tinfoil with glue on it and a peel and stick paper backing. Sears sold one of their Digital Multi Meters with a temp function for less than $20 and the thermocouple looked like a wire with a drop of solder on the end. Shoot when the meter says the barrel is the same temp as you started, or pick a narrow range (10-15 degrees) to stay within.</p><p></p><p>2) Use one of the new infrared point and shoot temp gauges. This works great! Point the laser at the same place on the chamber every time.</p><p></p><p>I have a small battery powered blower that sits under the shooting bench and I stuff a hose into the chamber and blow cold air out the muzzle. You can watch the temp drop on the temp monitor as it blows. <90 seconds and a 300 WinMag or 375 Ruger is back down to temp after a shot.</p><p></p><p>Just me but I believe you should shoot as far as you can. It just pushes thing apart so differences show up more pronounced. If 300 yards is your limit available, shoot 300 yards.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 947214, member: 51650"] All very good advice. As to barrel temp: Two methods I have adopted: 1) Tape a type "K" thermocouple to the barrel with a small piece of aluminum HVAC tape- the kind that is like tinfoil with glue on it and a peel and stick paper backing. Sears sold one of their Digital Multi Meters with a temp function for less than $20 and the thermocouple looked like a wire with a drop of solder on the end. Shoot when the meter says the barrel is the same temp as you started, or pick a narrow range (10-15 degrees) to stay within. 2) Use one of the new infrared point and shoot temp gauges. This works great! Point the laser at the same place on the chamber every time. I have a small battery powered blower that sits under the shooting bench and I stuff a hose into the chamber and blow cold air out the muzzle. You can watch the temp drop on the temp monitor as it blows. <90 seconds and a 300 WinMag or 375 Ruger is back down to temp after a shot. Just me but I believe you should shoot as far as you can. It just pushes thing apart so differences show up more pronounced. If 300 yards is your limit available, shoot 300 yards. KB [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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First time doing a ladder test...
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