HGLRC Arrow - 3” on 4S

By Shawn53 on Sep 27, 2020

2 271 2

I took the motors and guts from my very first build, the 3" IFlight iX3 as shown in the phitos below and put in this much lighter and aerodynamic frame. WOW, what a difference. Even though this stack is a couple years old,, it does a great job. i like the vtx antenna holder but i cut off the receiver antenna holders because i always run my receiver wires off the arms. i found the 850mAh batteries worked best on this size frame...get a good 5-6 min flight time with RPM fltering with AUW of 260g. A 650 mAh battery would put you below 250g. Neon yellow props make this little screamer stand out. i took the old frame and practiced some hydro dipping with a black & red pattern as shown in the picture. It turned out really cool so I'm thinking next freestyle build will have to include this technique

Photos

Part List

Frame	HGLRC Arrow 3 Hybrid 3" Frame Kit (6 builds) Racedayquads.com	$22.99
Flight Controller	6.5g 20x20mm HGLRC XJB F428 Micro F4 AIO OSD BEC Flight Controller & 28A Blhel_S BB2 2-4S 4 in 1 ESC (49 builds) Banggood.com	$46.99
Motors	4 x HGLRC Forward 1408 3600KV Motor (2 builds) Getfpv.com	$54.36
Propellers	Gemfan Flash 3052 Tri-Blade 3" Prop 4 Pack - Choose Your Color (83 builds) Racedayquads.com	$2.99
FPV Camera	Foxeer Arrow Micro Pro - 600TVL FPV Camera - Blue (14 builds) Getfpv.com	$19.99
FPV Transmitter	TBS Unify Pro HV 5G8 - Race (SMA) (555 builds) Getfpv.com	$29.99
Antenna	Foxeer Lollipop V3 5.8GHz Stubby SMA Antenna 2 Pack - Choose Your Polarization and ColorRed / RHCP (60 builds) Racedayquads.com	$19.90
Receiver	FrSky XM+ 2.4GHz Micro ReceiverDefault Title (1149 builds) Racedayquads.com	$15.99
Batteries	RDQ Series 14.8V 4S 850mAh 75C LiPo Micro Battery - XT30 or XT60 (44 builds) Racedayquads.com	See Site

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Discussion

Jodie Froster Sep 30, 2020

This seems awesome. Next you could move it all into one of the diatone frames (gt r369 seems like the natural choice, but they have other layouts). Would be a similar weight drop, yet again, and only cost you $25.
Not trying to say anything bad about what you have already done, both those frames are great in their own ways. I am also recently into the "nimble-ness upgrades" from dropping big chunks of weight. I have found, despite how small quads are, that aerodynamic changes are also worthwhile, and VERY noticeable.

Shawn53 Sep 30, 2020

Thanks Jody. Agree, i would get about 16g weight savings going to that Diatone frame and enough to improve the thrust to weigh ratio. However, i would rather just go with all new components with that frame and focus on the lightest options. i actually started converting my whoops into light, nimble and quick toothpicks and should be posting a 2", 2S 85mm toothpick frame with 803 motors and 5A F4/ESC AIO board weighing 55g soon.

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