Testing Rotorflight with Spector 700 V2 NME
First install of Rotorflight2 — an open-source helicopter flight controller — on a Spector 700 V2 NME
First time installing Rotorflight 2 and testing it on my own helicopter. It’s an open-source helicopter-specific FC firmware forked from Betaflight. Picked the Spector 700 V2 NME to learn the system on. This flight was a short test to confirm everything was wired up right.
Two things I really liked about the firmware.
The RPM filter tracks main rotor RPM live and notches out the fundamental and harmonics, so the gyro low-pass cutoff can stay high (100–150Hz) while the notch filter banks clean up the main rotor vibration. This keeps control lag very low and makes the helicopter responsive to input.
HSI (High Speed Integral) is the other one. A separate integral path that kicks in at high airspeed, where the heli wants to pitch up/down under non-zero collective. It handles that on its own without you fighting the stick, and it doesn’t dull the response when you want to throw it around.