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Old 01-01-2019, 04:31 PM
bmarvel's Avatar
bmarvel bmarvel is offline
Join Date: Aug 2005
Location: Grand Junction, CO
Posts: 52
Default Pictures worth more than text

Below are photos of my elevator trim tab set for takeoff as well as the corresponding trim indication on the Skyview display. Despite the appearance of almost full nose down trim on the display, this indication is quite normal.

It results from both the designed angular deflection differences between nose up and nose down trim in the -14 and the way Skyview calibrates itself for takeoff trim. Nothing is amiss. If you have a -14 and a Skyview system, expect to see this.

FWIW, the trim tab is deflected about 3/8 inch below the elevator at its trailing edge, thus providing a slight amount of nose up trim. This works well in my airplane. If you set takeoff trim so that the tab is aligned with the elevator (which I did initially as a starting point), expect to see the green line takeoff setting even further down on the display.

Bill Marvel
Grand Junction, CO
RV-8A N751MB -1700 hours, sold
RV-14A N465MM - 418 hours and climbing
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