Banggod 3 inch

By Hooko on May 20, 2021

16 697 4

This is my first custom build after 5 months into FPV. I wanted the original Banggod but the shipping fee was unfortunately too high hence i went with the one I found on Banggood. Learned quite a few things from this build:

if you rotate the FC direction (180 degree in my case), you still have to remap the motors orders in Betaflight
Jhemcu GHF420 is a good board but there is no official target name - you have to choose BETAFLIGHTF4 as the target when flashing firmware (remember to save the cli dump before flashing as you need to remap the resource subsequently)
it took me a while to figure out why the RxBt telemetry info is not available on my Crossfire Nano Rx - after flashing the firmware i have to manually select "Onboard ADC" for both battery and current sensor in Betaflight.
i learned how to design a few parts (arm guards, landing stands, bumper) in Fusion 360 - will share if anyone is interested

Love this 3" with the 1408 motors now as i think it fly better than my 5" :)

Photos

Part List

Frame	BangGOD 3 Inch (4 builds) Catalystmachineworks.com	$55.99
Flight Controller	JHEMCU GHF420AIO-ICM F4 OSD Flight Controller Built-in 40A BLheli_S 2-6S 4in1 Brushless ESC (10 builds) Pyrodrone.com	$66.99
Motors	4 x MAMBA 1408 4000KV 3-4S Brushless Motor For Diatone GT R349 FPV Racing RC Drone (24 builds) Banggood.com	$59.96
Propellers	Gemfan Flash 3052 Tri-Blade 3" Prop 4 Pack - Choose Your Color (83 builds) Racedayquads.com	$2.99
FPV Camera	Caddx Nebula Pro Vista Kit 720p/120fps Low Latency HD Digital FPV System 5.8GHz FPV Transmitter + 2.1mm FOV 150 Degree FPV Camer (161 builds) Banggood.com	$165.00
Receiver	TBS Crossfire Nano Rx - FPV LONG RANGE DRONE RECEIVER (1484 builds) Team-blacksheep.com	$24.95
Radio	RadioMaster TX16S OpenTX Multi Protocol Radio with Hall Gimbals with TBS Crossfire Micro TX V2 Starter Set (2 builds) Buddyrc.com	$23.99
Goggles	DJI FPV Goggles HD Digital 5.8Ghz 1440*810 720p/120fps Low Latency with DVR Compatible With Caddx Vista for FPV Racing Drone RC (141 builds) Banggood.com	$534.29
3D Printed	Banggod 3 inch parts by hokowi Thingiverse.com	See Site

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Discussion

BillyChandler Feb 14, 2022

Good frame. I also once wanted to assemble a drone on this frame, but then I changed my mind. She's pretty heavy.

Sasquads May 20, 2021

Nice
What's the weight without battery?

Hooko May 20, 2021

Thanks. 224g

Sasquads May 26, 2021

That's heavy, I wanted to build with this frame, but that's the reason I didn't.
Still looks awesome :)

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