TheBrat

By PBenko on Sep 14, 2020

6 306 2

This build was a rollercoaster. I instantly went for mounting the VTX, then realised I once again underestimated the ESC overhangand scrapped that idea and then found a way to still do it since I really didn't want to stack 3 boards high. I was missing 2 types of spacers:

since the FC has M2 holes and the ESC has M3 I needed some adapters so that the ESC would sit snug on the screws -> I took some antenna tubing
I also needed some spacers to lift the ESC above the VTX and I had no threadless M2 spacers -> I took some 3D printer PTFE bowden tubing
You can see the makeshift spacer for the middle stack annotated in one of the images (massive props for the idea to PinchTune

Update 1: Added the AGC Mic below the ESC pointing downwards, which I'm kind of regretting now, it seems to catch quite a lot of wind.

Update 2: Tarsier took for ever to arrive so most photos are without it. I ended up soldering the Tarsier-side connection as well, since the Tarsier and ESC sockets ended up too close to eachother for the wires to fit as well.

Update 3: The Ummagawd strap ended up giving in really fast and I replaced it with the Diatone one, but it didn't see much action yet.

Photos

Part List

Frame	Acrobrat Duo 3 (12 builds) Ummagawd.com	$45.00
Flight Controller	Kakute F7 Mini V3 - Unmanned Tech UK FPV Shop (4 builds) Unmannedtechshop.co.uk	See Site
ESCs	Hobbywing XRotor 40A 3-6S 4-in-1 BLHeli_32 Micro ESC Unmannedtechshop.co.uk	See Site
Motors	4 x RCinPower Smoox Plus 1507 Motor (2680Kv, 3800Kv) 3-6S Unmannedtechshop.co.uk	See Site
Propellers	2 Pairs HQProp DP3X4X3V1S Durable 3040 3x4 3 Inch 3-Blade Propeller for RC Drone FPV Racing (13 builds) Banggood.com	$3.01
FPV Camera	Caddx Tarsier 4K 30fps 1200TVL Dual Lens Super WDR WiFi Mini FPV Camera HD Recording DVR Dual Audio OSD for RC Racing Drone (63 builds) Banggood.com	$94.90
FPV Transmitter	RushFPV AGC Microphone Module Drone-fpv-racer.com	See Site
Antenna	URUAV Micro UXII Stubby RHCP Mini FPV Antenna 1.6dBi 5.8Ghz U.FL IPEX IPX For FPV Racing Drone (19 builds) Banggood.com	$15.99
Receiver	TBS Crossfire Nano Rx - FPV LONG RANGE DRONE RECEIVER (1498 builds) Team-blacksheep.com	$24.95
Batteries	TATTU R-LINE 850MAH 95C 14.8V XT60 Lipo.si	$23.45
3D Printed	Acrobrat Duo AXII + Immortal T by PBenko Thingiverse.com	See Site
Misc Parts	SaddleLites (8 builds) Tinysleds.com	$3.99

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Discussion

Gopec Oct 22, 2020

welche flugzeiten erreichst du mit dieser motor/propeller kombination?will die selben komponenten verwenden...

PBenko Oct 23, 2020

I usually get about 4 min on a 850mAh 4S. I've flown some borrowed 650mAhs and got almost the same, albeit with a bit conservative throttle

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