TADPOLE 3 - RADIX LI

By topsfpv on Jul 09, 2020

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My own version of Tadpole 3 using a 20x20 Brainfpv Radix LI. i didn't like the 20x20 fc mount included in the tadpole frame so I just replaced the FC mount using my old R249 Diatone Plastic FC cover as a base, then double sided it on the bottom plate.

Photos

Part List

Frame	Tadpole (30 builds) Armattanquads.com	$35.00
Flight Controller	RADIX LI Flight Controller - brainfpv (24 builds) Brainfpv.com	$49.99
ESCs	Spedix IS25 25A 5S 4-in-1 ESC (3 builds) Airbladeuav.com	$34.99
Motors	4 x RCINPOWER GTS 1204 5000KV 3-4S Brushless Motor for 2-3 Inch RC Drone FPV Racing (14 builds) Banggood.com	$75.96
Propellers	HQProp DP3x4x3 V1S Poly Carbonate (Light Blue) \| skyhobbies Skyhobbies.com.sg	$3.00
FPV Camera	RunCam Racer Nano 2 - 1.8mm IR Blocked Shop.totalrotor.com	$51.00
FPV Transmitter	TBS Unify Pro32 Nano 5G8 V1.1 (39 builds) Team-blacksheep.com	$29.95
Receiver	FrSky Ultra Mini Receiver R-XSR (3 builds) Shop.totalrotor.com	$38.00
Batteries	3 x 450mAh 4S 75C Lipo Battery (2PCS) (6 builds) Betafpv.com	$89.97
Batteries	2 x FULLSEND 3S 450mAh HV 45C Lipo Battery Shop.totalrotor.com	$35.40
Misc Parts	2019 GT-R Mini FC&ESC&VTX Mount - for Runcam TX200 VTX Diatone.us	$2.99

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Discussion

sfonkter Aug 25, 2020

How are flight times?

DBC Jul 18, 2020

How do you like it on 4s? I have a similar build and its great on 3s.

dafunk Jul 14, 2020

Nice 20mm conversion. The overall weight didn't suffer from the bigger stack.
I have mixed feelings about radix Li. I didn't get the hang of how to tune with graphics instead of blackbox.

topsfpv Jul 14, 2020

usually i just use the default PIDs and settings on the radix on all of my built. I'm pretty satisfied with it. for this build i only noticed of the prop wash during a big split-s recovery which is mostly pilot error.

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