Traveling back in machine-shop time

The basics-of-machining class ended today, and I had a chance to do some work on a lathe. Renton Tech has a lot of equipment that dates back to its start as a training center for Boeing’s B-29 plant in Renton. The lathe I worked on was some of that gear.

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I was learning how to handle a four-jaw chuck, which is kind of a pain. Nonetheless, I was able to get my work dialed in within a tolerance of a tenth, or .0001″. Not that I’m slick or anything, but that was 10 times more accurate than the work you would do with this lathe. It’s pretty amazing to see the degree of accuracy that is possible with tools from 80 years ago.

There’s been no new progress since completing the first take at a rudder and getting empennage parts delivered. Now that I’ve wrapped up machinist training it’s time to focus on nailing the checkride and making a few changes in the garage to make room for airplane stuff.

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