EdgeTX on the RadioMaster TX16S — Servo Geometry & Travel Tips

Quick reference for EdgeTX (and OpenTX) users on the RadioMaster TX16S: getting control-link geometry right at the servo arm and slowing down servo travel for scale or smooth control.

Control Link Geometry

The angle between the servo arm and the control rod has a huge effect on how linear (and how strong) the surface response is. Get it wrong and you end up with binding, lost throw, or unwanted differential.

This short demo walks through the geometry visually:

Control link geometry demo (YouTube)

Servo arm and control link geometry diagram

Slowing Down Servo Travel

For scale models, retracts, flaps or just smoother flying, you can apply a delay or a slow rate to a servo channel directly in OpenTX/EdgeTX — no extra hardware needed.

Step-by-step using mixer "Delay" and "Slow":

OpenTX/EdgeTX — How to Delay and Slow Servo Travel (YouTube)

Where to Configure

  • Delay (s) — wait N seconds before the servo starts moving after a switch change.
  • Slow Up / Slow Down (s) — limit how fast the servo can travel from one position to another.

Both are set per-mix in the MIXES tab on the radio.

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