MiniBone 3"

By rsheldiii on Jul 15, 2022

10 269 5

I like weird copters, so I present a 3" bone quad. Originally built with spare parts, now the only salvaged parts are the VTX and batteries.

The battery is too large for the quad, though it still has some punch; I might grab some 650 or 550's next. The eco motors are currently not pictured, but seem solid.

Getting in the air is the hardest part, you have to balance it on something to avoid striking the ground with the pusher props. Roll isn't particularly affected by the... unique force envelope of the quad, cornering definitely is, the quad is very floaty around corners. I'm drawing ~9A during punchouts so I could have gotten away with an FC with lower rated ESCs.

Photos

Part List

Frame	HBFPV BTP3 BONE 3 Inch 125mm Bone Frame Kit for Smaller Gaps Space FPV RC Racing Drone Usa.banggood.com	$24.99
Flight Controller	Diatone Mamba F411 25A BLHeli_S 2-4S AIO Flight Controller (4 builds) Getfpv.com	See Site
Motors	4 x EMAX ECO 1106 Series Micro Motor 4500KV Newbeedrone.com	$51.96
Propellers	Gemfan Hurricane 3018 Durable Bi-Blade 3" Prop 8 Pack (2mm) - Choose Your Color (28 builds) Racedayquads.com	$3.29
FPV Camera	Caddx Ant Nano 1200TVL CMOS PAL/NTSC FPV Camera (1.8mm) - Choose Color & Aspect RatioSilver / 16:9 (131 builds) Racedayquads.com	$17.89
FPV Transmitter	Diatone Mamba TX400 Video Transmitter - Unmanned Tech Shop (3 builds) Unmannedtechshop.co.uk	See Site
Receiver	FrSky XM+ 2.4GHz Micro ReceiverDefault Title (1149 builds) Racedayquads.com	$15.99
Batteries	Tattu 850mAh 3S 75C LiPo Battery - XT30 (5 builds) Getfpv.com	See Site
Radio	FrSky Taranis X-Lite S ACCESS 2.4GHz Radio Controller Getfpv.com	See Site
Goggles	Eachine EV800D 5.8G 40CH Diversity FPV Goggles 5 Inch 800*480 Video Headset HD DVR Build in Battery (22 builds) Banggood.com	$89.99
Battery Charger	ToolkitRC M6DAC 200w AC/DC Smart Charger Getfpv.com	See Site
Soldering Iron	PINECIL – Smart Mini Portable Soldering Iron (Version 2) - PINE STORE (11 builds) Pine64.com	$25.99

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Discussion

m4trix 10 days ago

Hi, nice build! I'm thinking about building one myself. Is it possible to fit 1303 motors on the Arms the way that hbfpv advertises it?

Hellcat105 Jul 18, 2022

yooo thats mad awesome to see someone else using this frame as well. If you wanr i can send u the pid tune I did on mine it flies pretty good.

rsheldiii Jul 21, 2022

yeah that'd be great! I'm still getting the hang of pid tuning so I'll take all the help I can get

Hellcat105 Jul 23, 2022

Awesome ill send it over sometime tommorow

BaTTaN Jul 25, 2022

Just an fyi if you two are running diff FC/ESC/Motors chances are exchanging pid's will just make it fly worse than stock BF tune. So I'd make sure you have a stock dump done before loading pid's just in case..

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