Today we spent quite a bit of time talking about hydraulic lines, both rigid and flexibile, and then went over to the hangar and started assembling some fittings.
As a kid, I always thought hydraulic lines for tractors were magic. I didn't really know how they worked, but I knew that they withstood an incredible amount of pressure and were still flexible. Whenever they broke, they just seemed to me like pieces of rubber with steel braiding inside. We took the busted ones into town and then the service tech disappeared with it. He came back a few minutes later with a new hose. Sometimes simple things seem so mysterious when you don't understand how they work.
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