GRVDIGR Tombstone 4sX

By highway11 on Jul 03, 2017

6 3 3

4" Stretch X 163g Dry weight. This thing accelerates and corners faster than my 5" quads. Feels kinda like cheating on the race track :)

Photos

Part List

Frame	Tombstone 4sX (3 builds) Grvdigr.com	$30.00
Flight Controller	OMNIBUS F3 Nano v2 (17 builds) Pirofliprc.com	$29.99
ESCs	4 x Spedix ES20 Lite 2-4S 20A ESC (42 builds) Racedayquads.com	$35.96
Motors	4 x BrotherHobby Tornado T1 1407 3600Kv Micro Motor3600kv (329 builds) Racedayquads.com	$63.96
Propellers	Kingkong 4045 PROPS CW/CCW (10 PAIRS) (9 builds) Catalystmachineworks.com	$6.50
FPV Camera	RunCam Micro Swift FPV Camera (10 builds) Rotorvillage.ca	$41.99
FPV Transmitter	Drone VTX for - Drone Video Transmitters (555 builds) Racedayquads.com	$26.99
Antenna	TBS Unify Pro 5G8 Linear Antenna (92 builds) Team-blacksheep.com	$6.95
Receiver	FrSky XM+ SBUS Mini Receiver (5 builds) Rotorvillage.ca	$18.49
Batteries	FlexRC FPV Racing Drones \| FPV Multicopter Store \| Quadcopter Parts (101 builds) Flexrc.com	$52.50
HD Camera	Turbowing DVR CYCLOPS 3 DVR-CAM AIO 1/3 CMOS 700TVL 120 Degree FPV AV Camera NTSC For RC Drone Banggood.com	$19.99

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Discussion

Noob FPV Jul 21, 2017

Did you get your smart audio working on your tbs? I have same fc and vtx but can get my smart audio working.

highway11 Jul 28, 2017

Sorry just saw this now. Yes mine is working. I think there's a tiny pad you have to solder to for TX2 and enable smartaudio for that (if I remember correctly)

morsha Jul 10, 2017

I just bought the omnibus nano F3 v2. I have been checking the motor numberin, but I´m puzzled. I see in your build that M4 = motor 1, M2 = motor 2, M1 = motor 3 and M3 = Motor 4. Did you get issues when setting up? I´m a total newbie and not sure if you can change that in BF. Thanks for your help. Overall, how the FC doing?

highway11 Jul 10, 2017

The way its wired now I did not have to reassign any motor outputs. But with Betaflight its not a big deal which output you send where. You can also send any motor output to any corner and just reassign the resource. Good luck with the build!