E-Soar Plus (OTX version) during trials with MPX Heron. La Muela, Spain.

E-Soar Plus - Pro template for F5J and F5K

E-Soar Plus is an advanced template for F5J and F5K electric sailplanes with 6 servos + ESC. It's closely based on the popular OpenTX version and has the same advanced features:

The template includes a special 'CAL' mode for precise matching of control surface travels.

X20 transmitter

Default control layout showing flight mode switches and mix adjusters. Layout is customisable.



For e-gliders with 6 servos + ESC

V-, T- or X-tail

Any stick mode

Reassignable controls

Flight modes

Cruise, Thermal, Speed

Power, Landing

Voice confirmation

In flight adjusters

Adjuster for aileron diff

Adjuster for crow compensation

Adjuster for motor/ele compensation

Crow functions

Crow/elev comp with curve

Aileron diff suppression

Reverse diff

Adjustable stick deadband


Safe arming system

Switched or variable motor control

Elevator compensation


Variable camber (Thermal mode)

Preset reflex (Speed mode)

Snapflap (any mode)

Control surface calibration

Integrated 'CAL' mode

5-point balancing curve for flaps


Integrated flight timer


v1.1.2 (for Ethos 1.3.3 or later)

Please see support page if using with Ethos 1.5

v2.0.0 (for Ethos 1.5)

This version is based on ESP v1.1.2 but optimised for Ethos v1.5.


Translations: many thanks to Matthias Jokisch, BenoƮt Paillard and Marco Gualtiero Sanna

Version history


Feedback and queries are always welcome - I can be contacted here.