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Jims RV-8
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Date:  6-8-2015
Number of Hours:  1.50
Manual Reference:  8-37
Brief Description:  Autopilot, pitch control bracket measuring

I am going with the Garmin G3X (Touch) system for my panel and integrated autopilot and the next step in the instructions is to rivet on the bellcrank rib which will sit under the autopilot/pitch control - now is the time to get the brackets fit, drilled and ready.

The first thing I noticed when I laid the brackets on the bellcrank pivot, is there was interference with the F-808 bulkhead - so clearly I did not do a proper job of measuring when I cut the bulkhead down originally...no matter - pull out the dremel and cut back to where the bracket will clear the bulkhead. Then file, scotchbrite wheel and scotchbrite pad the newly trimmed bulkhead to a smooth finish. Iwill psray some primer on that fresh metal before riveting the brackets on.

With the brackets fitting flush - I could slip the bolt thru the brackets and start measuring for where I wanted to drill the holes for rivets. The brackets from Garmin are blanks and the instructions from Garmin are online - so I had to pull up the installation PDF to visualize where the best place to put the rivets would be. The instructions says to put 5 each of the 1/8" rivets on each side, spaced about an inch a part. I made sure the edge distance was good on the forward and aft end of the bracket snd then drew my lines for left/right edge distance. All of this took a lot of head scratching and thinking because I didn't want to have a "do over" and order/wait for, more parts. When I was satisfied whith where the sharpie marks were, I center punched the marks and took the left bracket to the drill press for drilling. That took me up to dinner time - so thats all for tonight
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more trimming of the bulkhead was needed

more trimming of the bulkhead was needed

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left side bracket drilled

left side bracket drilled

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