the goal was to hit at least 250kmh with a mainly printed sub 250gr quad. that didnt worked out yet. it weighs a bit more and highest speed achieved with the current setup is 219kmh.
main reason is the use of tmount motors which prevented the use of props like apc. i tried several different tmount props and surprisingly the 5 blade t75mmx5 hqprop resulted in the highest speed. generally less blades is better for speed. using motors with m5 mount would be a better choice. next time. there is space for improvements.
the stl/dxf files to recreate this quad and further informations (patreon): / sub250speed-stl-62466989
/ sub250speed-63216498
0:00 flyby
0:06 los
0:35 fpv onboard dvr
0:46 los
1:36 fpv onboard dvr
1:54 los and close up
2:23 fly by
2:29 los
2:57 fpv onboard dvr
3:13 los
3:52 fly by
3:58 los and landing
4:19 fpv onboard dvr of the highest achieved speed
4:31 flight statistics
photos of the quad:
/ czhonvhoj2x
/ cwd9gbfot_v
/ cvkbst-ljpl
/ cvtedlur7kh
/ cvqcuugiqyr
/ cvnavtyoacb
/ cr1eljzlfji
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for people not familiar with this type of drones:
these are selfbuilt.
you cant simply buy it in a store.
used parts are mostly written in the title.
you dont learn to fly them in a week. it takes months/years.
researching is a constant part of this hobby.
im flying them manually in acro mode which means no gps, no self stabilization, etc.