Yeah, that's what they call it, a PIG. So it's pushed along by the liquid in the line. Solves the "how does it propel itself, fuel, controls issue" thing. Makes sense.
How does it collect data? I assume that it is looking for flaws that could become leaks with potential serious problems, but what's the mechanism?
If it finds a potential problem, and one found one in a low spot in the line on the next property over from me, how does it record the location? On that accord, one day a crew showed up over there, dug a big hole, brought in a section of pipe, did some welding and coating, covered the hole back up and put the surface back as well as could be expected, having disturbed the soil.
When I first got here there was a rumor of being able to tap into the line for free natural gas but that was somebody blowing smoke...... First off, too much of a risk for a leak, second who knows what fuel is going through the line at any given time, third, they might shut down the line for some reason......made for good coffee shop gossip from the "know it alls".
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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