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 - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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