F3F slope racer

21 Oct 2016 - v 4.1 - with Pump mode and quicker setup


F3F Slope Racer is a full-feature setup for slope sailplanes with 6 servos. It's optimised for F3F competition but is also suitable for sport flyers who want to extract that extra bit of performance from their models. This setup is used by several competition pilots in the UK and abroad.

Key features :

The setup also incorporates a special 'Calibration' mode, for quick and precise adjustment of control surface tracking.

Taranis layout

Default interface (X9D + mode 2 shown) - flight modes , mix adjusters
Switch layout can be customised


Hardware and o/s requirements

See Download section


- For 6-servo gliders with
- V-, T- or X-tail
- Any stick mode

Flight modes

- Normal, Climb, Landing
- Reflex option in Normal mode
- Pump mode
- Voice confirmation
- Switch customisations

Trimming adjusters

- Adjuster for aileron diff
- Adjuster for camber preset
- Adjuster for snapflap volume
- Adjuster for snapflap expo
- Adjuster for spoiler compensation

Spoiler functions

- Aileron differential suppression
- Reverse differential
- Spoiler/elev comp with curve
- 'Instant Spoiler' option
- Adjustable deadband

Control surface calibration

- 'CAL' mode for adusting travel + limits
- 5-point balancing curve for flaps
- Full rotation available on flap servos


for Taranis

Version 4.1.0 for X9D, X9DP, X9E and OpenTx v2.1.8+
Full package (ZIP)
Setup Guide only (PDF)

for Horus

Version 4.1.0 beta for OpenTx 2.2 RC6+
Full package (ZIP)

The Horus template is provided as a pair of .BIN files. A README file explains how to install these on your transmitter.

Older versions and history

See version history


Blog: F3F Setup version 4.1
Blog: designing a transmitter setup for F3F
RCMF Forum


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