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The EngRev App is developed to support users of a special motor controller, allowing reversal of the engine direction by a separate servo signal.

This App was designed around the Turnigy Seaplane 40amp ESC with Reversing Switch.

In the setup screen for this app, you can set up the proper servo output to be used (defaulted to the first free slot), and assign a switch for changing engine direction. you can set the throttle level above which engine reversal is blocked, but to prevent damage to your motor using this ESC controller it must be defaulted to 0%.

Be aware it uses the Throttle stick as input, so if you have set up special mixes to control the motor servo by other means than the Throttle stick, this App is not for you!!

This app will create some mixes and logical switches, which can be removed by the app if you no longer need it.

An example of the setup page is given here:

have fun and


Just Fly! 



After unzipping the received installation files to your SDCard, you can install an example model to check out the App by using the "restore model" feature. Go to the Model Selection Screen (push "MENU" once), go to an empty slot, long press "ENTER", and select "restore model". Then select the model "20-AppMan-yyyy-mm-dd.bin" if you are on OpenTX 2.0, and select the "21-AppMan_yyyy-mm-dd.bin" if you are on OpenTX 2.1. 

Make sure you activate the AppMan model by long press ENTER again, and choose SELECT.

Press EXIT until you are at the home screen again, and long press PAGE to enter the AppManager, and select the "EngRev" App.

More info also in the HowTo's: Using Apps