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Null N. Void

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Everything posted by Null N. Void

  1. It depends on the club's bylaws. At one range I'm a member of, there is a process for groups to have matches. Once you meet the requirements and the board/members agree, you fall under the clubs umbrella for insurance. They take in all the money and disburse it for maintenance, insurance, land rental, etc. Another range is less formal. They provide the range for a fee. The club provides the insurance, targets, and other incindentals.
  2. I checked my infrared thermometer. It compensates for color and material, so that's probably not the issue. I would guess the plastic surface is what the thermometer is reading, but not the temperature of the water behind the plastic.
  3. Could be supercooled. Hard to see with the additives, but you never know. If it is, a small piece of anything would start ice formation. Agitation would also start ice formation.
  4. The air space above the water will continue to decrease in pressure as the temperature drops. P1/T1= P2/T2. (Charles Law) As it cools down, the pressure in the vapor space will continue to go down.. There isn't much pressure to start with in a water bottle. You.d have to add pressure to the bottle to keep the water from freezing..
  5. They lied. They use radiatioin heat transfer and there is an emission coefficent that depends on the material and color of what your scanning. Most are set for darker shades. It's close enough in most cases but white or silver can be a problem. I was using one to check that my RV was not freezing. I checked it at about 35 derees true outside temperature. The white skin of the RV read about 20.
  6. Best check would be to put a kitchen thermometer in the water. There's not enough minerals in there to significantly affect the freezing temperature.
  7. Infrared thermometers are calibrated for dark colors. Put something black there and then read it. I'm guessing the heat coming off the house is keeping the bottles from freezing.
  8. Right side straight draw, Left side cross draw. Fits 4 5/8” barrels. $200 for both. Will only sell as set.
  9. I didn’t get the rule change email. When I go to the WB wire, it won’t download. Could someone cut and paste it here?
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