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Date:  8-2-2014
Number of Hours:  4.75
Manual Reference:  
Brief Description:  Pushrods

After installing the horizontal stabilizer, I fabricated the elevator pushrods, F-790 and F-789. I debated whether to add a little to the length called for in the plans but then decided to go with the specified length. It worked out perfectly. I cut the F-790 to length, and poured primer down the inside of the tube. I left it outside while I wrapped some blue painter's tape around the piece of scrap tubing that was cut off. I cut the tape to length and removed it from the scrap and spread it flat on the workbench. I measured the tape and divided by eight to give me the spacing for the eight rivet holes. Once the primer was dry inside the pushrod, I brought it in, wrapped the tape around the end and installed the rod end bearings. I drilled the holes and pulled the 16 MSP 42 rivets in the F-790. I installed the F-790 in the fuse. Connecting it to the bellcrank was a walk in the park. Attaching the pushrod to the elevator horns was a pain in the neck. I needed three AN960-10 washers on either side of the rod end bearing to properly space it between the rudder horns. Even using my Avery washer wrenches, I repeatedly dropped washers into the (very small and mostly enclosed) rear bay of the fuse. My telescoping magnet more than paid for itself today. After getting the F-790 elevator pushrod installed I repeated the process for the F-789 and its 12 rivets. I primed the outside of the F-789 (rattle can) and set it aside to dry. I broke out the fly cutter and the cabin frame pieces. I drilled the 1.5" holes in the two aft frames and then called it a night. I am pretty pleased to be making progress again.
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Fabricating Elevator Pushrod

Fabricating Elevator Pushrod

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Elevator Pushrod Installed (Temporarily)

Elevator Pushrod Installed (Temporarily)

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Hole Cut in Aft Cabin Frame

Hole Cut in Aft Cabin Frame

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