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Kupe's Zodiac 650B
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Date:  4-4-2013
Number of Hours:  2.00
Manual Reference:  6-ATO-1
Brief Description:  Trim Tab Pushrod

With the trim servo temporarily installed inside the aileron, I measured where the trim tab horn would align with the pushrod when the trim tab is flush with the top of the aileron. With that measure, I

1. Removed the pushrod and sawed off the excess length (about 60mm or so)
2. Reinstalled the shortened pushrod
3. Twisted / tightened the clevis fork onto the end of the pushrod (about 2 revolutions short of fully twisted on)
4. Aligned the pushrod fork with the trim tab horn and installed the clevis pin to hold it all together.

Low and behold it fit with the trib tab perfectly aligned ... and I still have a few turns of slack left in both directions for the pushrod fork as needed in the future.
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Aileron upside down: The trim tab pushrod goes through this hole in the channel to the trim tab.

Aileron upside down: The trim tab pushrod goes through this hole in the channel to the trim tab.

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Trim tab horn clecoed to the trim tab and lined up with the trimmed servo pushrod.

Trim tab horn clecoed to the trim tab and lined up with the trimmed servo pushrod.

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Servo in its center position/ servo arm attached to the tab horn / tab is flush w/aileron.

Servo in its center position/ servo arm attached to the tab horn / tab is flush w/aileron.

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