Tuesday, August 2, 2011

The Zeat Tube

Where were we? Oh yea finishing the seat tube.

It's not my engineering square, but it will have to do. If the peaks and valleys are square, the miter is tight, then we're centered and square

After filing it into shape, I like to wrap a piece of 1-1/2" 4130 with Drum Sander sand paper to make it have a nice good contour. Speaking of filing, it's your used to filing 4130, it becomes obvious this tubing is a lot harder. But then it's heat treated.

One more time with a framing square. I did this to both sides are a triple check and everything is square. It should be all ready to fall togther in the jig.

And there you have it.

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