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KC - Harmon Rocket II
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Date:  1-18-2012
Number of Hours:  4.00
Manual Reference:  
Brief Description:  Jig Phase 2 (for Horizontal Stabilizer)

After the HS frame was complete, I started work on modifying the jig for the HS.

I added an upright on top to support the right side of the HS. Note that this is a little farther put than optimal for the HS. The reason is that this upright will be used for the wing jig as well (as per the plans). This took quite a bit of time to get right. It was tedious getting it exactly vertical (within 0.1 degrees) then even more tedious when the alignment kept shifting as I welded it. Each time I put in a little spot of weld and rechecked, it would shift by one or two tenths of a degree. I had to keep readjusting, grinding off welds, remeasuring, and adding another weld spot over and over again. It's not quite as plumb as I'd like but it should be ok.

Then I welded on a support for the middle of the HS frame. This went easy since the requirement for accuracy is less. It's temporary anyway. I'll cut it off when I'm done with the HS.
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