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BetaFPV Pavo25: 6 things I learned while trying to review a drone

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Added by Shub in DJI Drones
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I stand for HONEST reviews and opinions! If you wanna support this idea please check my PATREON: https://bit.ly/2ESMtIO

- SBUS Solder Jumper is there for a reason (Crossfire ISSUE)
- how a MOTOR can ruin your day (and your MosFet)
- how to SOLDER the tiny stuff with my 3.2mm soldertip ;)
- Betaflight 4.3 let's you change MOTOR DIRECTION / order really easy!
- use OSD position templates (so all my quads have the same info in the same spot)
- YAW Washouts

Why a Pusher Whoop?
Benefit: mainly the larger space on top, bigger props on smaller frame
security! (fly near ppl without risk)
Negative: taking off from gras after crash..., louder, less efficient

Props? GemFan D63! (1.5mm hole)

BF4.3 was already installed on the FC! PIDs from their CLI file feel ok!
had to change motor direction (this is now possible directly in BF config? - nice!)
Not sure about their PIDs tho. I think they want to much and this burns the motors? But even with tamed down PIDs and more filtering, my left front motor gets too hot to touch after 3mins!
---------------------------------
ISSUES while building / testing:
soldering on the plug-sockets for the motor wire connectors - couldnt do it - too small, instead I used the slightly larger direct pads and soldered the motor wires on directly (plug&play would have been so nice!)
After 2 short flights (normal cruising, nothing hard, no crashes), one motor started to stutter. Thought that's airmode on the ground and kept trying, fried an Mosfet on one ESC.
Used the same 4 motors (but one of them had burnt out) - the dead motor also killed my 2nd FC :(
Had to use 3 FC AIO boards...

3rd FC AIO (this time GepRCF411 I had in a salvage quad):
used a new motor and checked the others (for coocked windings)
flew fine for 2mins, than again motor failer - again a cooked winding.
FC still fine. Motor Quality?
For the last attempt I installed 4 Emax motors (1404/3850kv) - they still get hot.
PIDS: Dterm too high? P1= 0.7 D Gain
FILTER: Gyro to 0.8, DTerm to 0.85 (more filtering)
---------------------------------
CRSF RX (could be plugged into the FC!) - telemetry worked, but NO MOVEMENT in RECEIVER Tab!?!?!?
Took me a while to figure this one out!
Thought the CRSF Nano is DOA,
NappyFPV pointed me to the SBUS solder jumper on the AIO board.
!!!(if you DONT use SBUS, you have to "switch" this to DSM) RTFM!
---------------------------------
YAW Washout: yaw spin after dive (when you hit throttle)
- change your flying style to avoid those conditions (throttle earlier)
- props in/out can help on some whoops
- raise digital idle (will make the whoop floaty, but not stall. Go to far and it'll fly away though, so take care)
- add more power (go up a cell if you're whoop can handle it)
((c)moOrg @redit)
---------------------------------
OSD CLI template (not final):
(does somebody understand those position coords?)
set osd_altitude_pos = 2443
set osd_avg_cell_voltage_pos = 14795
set osd_current_pos = 2535
set osd_mah_drawn_pos = 2539
set osd_flymode_pos = 6240
set osd_gps_lat_pos = 2048
set osd_gps_lon_pos = 2080
set osd_gps_sats_pos = 2112
set osd_gps_speed_pos = 2543
set osd_home_dir_pos = 2511
set osd_home_dist_pos = 2478
set osd_pidrate_profile_pos = 2208
set osd_rssi_pos = 2491
set osd_craft_name_pos = 128
set osd_display_name_pos = 490
set osd_flight_dist_pos = 213
set osd_warnings_pos = 14633
set osd_vbat_pos = 455
save

●▬▬▬LINKS▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬●
BetaFPV Pavo25: https://bit.ly/3IPLBBv
https://www.reddit.com/r/Multicopter/comments/obdz73/whats_causing_yaw_when_throttling_out_of_a_dive/
FC Infos: https://betafpv.com/products/toothpick-f405-2-4s-aio-brushless-flight-controller-20a-blheli_32-v4
@CurryKitten
@NappyFPV

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●▬▬▬VIDEO INDEX▬▬▬▬▬▬▬▬▬▬▬▬●
00:00 Intro
01:10 Close look, specs
01:18 Props
01:32 easy access to the guts
01:49 Weight
02:04 some build tips / findings
03:30 why a pusher config?
04:14 YAW Washouts!
04:44 the many ISSUES
06:54 CRSF Issue, rx Solder jumper
07:52 OSD Layout Templates
08:25 should you buy it?
11:17 Flight samples, Music-video
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#betafpv #cinewhoop #pavo25

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