@tommal wrote:
Hey there,
i was formerly an active drone surveyor. As regulations started to hinder the use of self build drones (3-6 months certification duration and now all registration on hold) and close or within cities you need a single approval for each job, i started to build a small light mapping drone for basic mapping of roofs and small areas ~50.000-100.000 m². There is no permission needed for "drones" <250gramms. Constraints for the build was 3D printed design, for fast repair and replication in small quantities. I post this here to answer questions for ppl willing to copy and use the design.The design was printed on a prusa i3 printer (diy) and i did a couple of scans already, but i'm still in developing state and open for suggestions to shed some weight.
Print settings:
0.3 mm layer height
0.48 layer width
70/mms PLA @195°BOM:
DYS1306 - 3100kv motors (maybe 2300kv can provide a better efficiency) with 5 inch props ~6A total at hover
Racerstar 4in1 ESC
Pixfalcon or Pixracer with PDB
BN-880 GNSS module
ESP8266 Telemetry Module
Foxeer Legend 1 with non distortion lens 4.35mm asphericI will refine the design to shed more weight to fit 2xLG18650 (100gramm) for an approximate flight time of 20 min and clean cable management. If there are any questions feel free to ask.
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