Introduction
The Turnigy 9X is an inexpensive and highly hackable transmitter for remote controlled aircraft. This guide will show how to change a Turnigy 9X from Mode 1 (with the throttle on the right and elevator on the left) to Mode 2 (with the throttle on the left and the elevator on the right).
Thanks to Miro at iFixit for photographing this guide while I performed the work at Maker Faire 2011!
What you need
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The Turnigy 9X, set up for Mode 1. Notice the left stick is centered in both axes, while the right stick is only centered horizontally.
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Separate the front and back halves of the case.
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Disconnect the cable linking the rear half to the front half.
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Remove the spring arm and spring for the left stick.
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Push out the retaining pin.
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Remove the retaining pin and spring arm.
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Remove the spring.
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Attach the tensioner to the left stick.
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Make sure you have the larger slot and machine screw on the metal post.
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Fully tighten down the screw in the plastic post.
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Use the screw in the metal post to adjust the tension on the left stick.
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Remove the retaining pin from the right stick.
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Drop the retaining pin into the spring arm. It is a loose fit, so it will freely drop straight through if the arm isn't held level.
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Attach the spring to the plastic hook on the right stick.
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Hook the spring over the end of the spring arm.
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Line the spring arm up with the hole in the right stick casing and push the pin into place so it is flush with the side of the spring arm.
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You can now adjust the spring tension for the right stick.
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Vertical movement spring tension set screw
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Horizontal movement spring tension set screw
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Reconnect the cable linking the front and back halves of the transmitter.
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Close up the case and enjoy your Mode 2 transmitter.
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