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Made The Rear Root Rib Attach Angles

I made the root rib attach angles for the trailing end of the root ribs. I started by opening and closing the raw angles to the correct angle. After getting the angles opened up and closed up correctly I layed out the cuts and finished the angles

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Angles For The Horizontal Stabilizer Rear Spar

The final exercise for today was to make the angles that attache to the horizontal stabilizer rear spar. These required a bend with an inside radius of 1/8" tangent to the inside radius of the angle. To bend this I found a screw driver shaft that was the correct diameter and clamed the angle to a plate in the vice. Next I attached a piece of hardwood to provide the leverage for the bend. This seem to work okay but it did cause the angle to bend a little on the adjacent leg. I solve this problem with a few blows from my rubber mallet after the initial bending.

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Spread The Raw Angles And Made The First Of Two Roo Rib Attach Angles

I started by opening up the angle of the material that I had cut to length. I started out using hardwood as shown in the pictures but quickly changed to a steel backup plate (with aluminum covering) when the hardwood broke. I also used some WD-40 as a lubricant to help the angle slide on the plate. The layout work was the same as the previous two parts so making the first one of these angles when fairly quickly.

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