Why do gas pipelines run straight for a few hundred metres/yards then do a bit of a U-bend, straight run for a bit, then another U-bend etc. Why the bend? No valves or anything where the bend is.

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Why do gas pipelines run straight for a few hundred metres/yards then do a bit of a U-bend, straight run for a bit, then another U-bend etc. Why the bend? No valves or anything where the bend is.

In: 7658

11 Answers

Anonymous 0 Comments

For another example of engineered expansion, read up on the SR-71.
That sucker was engineered to expand several inches (IIRC) in flight because it would heat up so much.
The tour guide mentioned that when on the ground with a full fuel tank, it would leak, then stop when the bird got to flying and up to operating temps.

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