Seen the lack of FPV traditional helicopter build logs/ detailed infos I thought would be useful for the community to share some details of this project here.
The frame speaks for itself: robust, agile and most important nice-looking.
The idea was to have a little frame capable of performing mild aerobatics, sort of scale flight FPV ( the “Loach dance” style of flight) while maintaining full automatic flight capabilities.
The heli is equipped with the following:
Flight control: Holybro Kakute F7 HDV AIO (V1.0);
GNSS: Matek M8Q;
RC: Frsky R9M Access/ R9 mini receiver;
FPV: Dji FPV, Dji Air-unit ;
ESC: Hobbywing Platinum 80A V4;
Engine: Skorpion 1450kV;
Battery: 6s 5Ah;
Swashplate servos: Savox SX1258TG;
T/R servo: Futaba S9254;
FC has been installed in the original location of the FBL unit, together with the GPS receiver (location of the GPS unit is not ideal, borderline in regard of EMI, but still acceptable for safe operation):
FC is assembled with the supplied rubber dampers, bolts “lightly” tightened.
the main objective here was to keep the silhouette as close to original as possible, so no ugly “stuff” hanging around outside the fuselage.
Installing the FPV equipment was really easy, as this airframe has a nice roomy bay just below the battery slider:
Most important, the lower support is aluminium made, with heatsinks (originally intended for ESC dissipation), so it comes really handy to provide additional cooling for the fpv Air Unit.
detail of the fpv bay/ camera support:
Air unit antenna mount:
Really nice and handy at the field, the PID tuning is perfomed directly from my Horus radio, using Yaapu GCS (great tool @yaapu ):
The tuning of the attitude control is now being optimized, especially the “higher speed” range (I haven’t pulled beyond 30 m/s yet), but results are really promising.
This action was perfomed in Acro flight mode with goggles on: