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Posted: 11/29/2010 6:18:06 AM EDT
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I need to clock some reloads, but the weather isn't cooperating. It's below 32°F now, and forecast to stay that way all morning. The afternoon isn't worth considering, with the ridiculous winds we have this time of year.
The problem is that my Chrony chronograph won't work at these temperatures. Weather has little chance of warming up any time soon. Has anyone found a way to keep a chronograph warm enough to work? Maybe the chemical hand warmers sold for use in gloves? |
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Quoted:
Just curious - is it just the LCD display that is not working in sub-freezing temps, or something else? I can't remember. I'm going to the range today anyway, so I suppose I'll get a reminder. I do recall discussing the matter with one of the techs at Chrony last winter. I have a vague recollection that it was a crystal oscillator which stopped working in the cold. The LCD not working would be equally problematic, because I would have no way to tell what's going on. |
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Quoted:
Quoted:
Just curious - is it just the LCD display that is not working in sub-freezing temps, or something else? I can't remember. I'm going to the range today anyway, so I suppose I'll get a reminder. I do recall discussing the matter with one of the techs at Chrony last winter. I have a vague recollection that it was a crystal oscillator which stopped working in the cold. The LCD not working would be equally problematic, because I would have no way to tell what's going on. If they use a crystal to set the time base the accuracy probably would drift in cold weather. The LCD would be dim also. This is a bummer, I've never considered it before. The winter is my favorite time to shoot, time to engineer a crony heater. 
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Quoted:
If they use a crystal to set the time base the accuracy probably would drift in cold weather. The LCD would be dim also. This is a bummer, I've never considered it before. The winter is my favorite time to shoot, time to engineer a crony heater. Yup, first time I ran into the problem it was around mid-20's °F. I can't recall exactly how it malfunctioned, just that I was unable to use my Chrony. Some people don't go shooting all winter because, "it's too coooooooooold!" I'm not one of those people. But I might have to lay off on chronographing. It's odd that Chrony didn't make their equipment able to work in cold weather, seeing as it's a Canadian company. But then, I don't think they've updated their design since it was initially produced. Perhaps cold-tolerant electronics were unavailable in 1987. My only real complaint about winter shooting: hot brass sinks through snow, then you get an ugly mix of dirt & re-frozen ice inside the brass later. |
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