Project: Bovine-RV14A   -  
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Builder Name:Jeff Lawson   -  
Project:   Vans - RV-14A   -   VIEW REPORTS
Total Hours:601.5
Total Flight Time:
Start/Last Date:Jan 28, 2022 - No Finish Date
Engine:Lycoming YIO-390-EXP119 non-cert
Propeller:Hartzell G2YR/N7605W-2X 74 in. dia composite 2-blade
Panel:Dynon Skyview
 
Friendly URL: https://eaabuilderslog.org?s=Bovine-RV14A

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Jun 22, 2023     Autopilot pushrods and servo wiring - (2.5 hours)       Category: Controls
Some Dynon autopilot parts that I had been waiting for recently came in so I wanted to try to make a little bit of progress on that tonight. The autopilot pushrods come as a single piece of aluminum tubing stock that has to be measured and cut into two identical length. Then the center bore had to drilled to enlarge it to a #3 drill and then tapped for a threaded rod that would be installed in both ends.

Next, I needed to trim the wires on the autopilot roll servo and crimp on some Molex pins. It took a bit of manual cutting of the pins since they were apparently designed for an automated machine to install them, but the intro chapter in the instructions provided a good amount of detail about what needed to be done. After crimping all of the servo wires, I inserted them into the Molex plug according to the wiring diagram.

I also took some time to take the pitch servo bracket to the bench grinder to smooth some of the rough edges using the scotchbrite wheel. Then I roughed up all of the surfaces with a scotchbrite pad, cleaned with some acetone, and sprayed a light coating of self-etching primer.

I'm going to hold off on installing any more of the delicate autopilot components until after the wings are transported to the hangar, which should hopefully be happening this weekend.


 


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