Armattan Japalura QUATRO

By jedimasterben on Dec 21, 2017

2 575 3

Armattan only charges about $20 for the 4" baseplate for the Japalura. Fuck.

Got all of the electronics and powertrain soldered together and tested. Weighs 145g without the frame or screws/props/misc hardware (TEAM SPAGHETTI), and 249g all finished up, frame, battery strap, and everything. AUW is 354g with Infinity Graphene 4s 850mAh battery, giving a total thrust ratio of 9.1:1.

Maiden flight 12/21/2017, it flew very well, only a little propwash on stock PIDs, but a lot of bobble. Going to run some more batteries through soon and get PID tuning out of the way.

Smashed the dicks out of the frame a couple of batteries into PID tuning. Broke an arm right off, currently waiting for a new plate to arrive, Armattan warranty is legendary! Gemfan also released their Flash 4052 props, so I'll absolutely be slapping them on this build.

Photos

Part List

Frame	Japalura 4 (13 builds) Armattanquads.com	$77.00
Flight Controller	HGLRC XJB F440 Stack 20x20 F4 Flight Controller OSD / 40A Blheli_32 3-4S ESC - No VTX (5 builds) Racedayquads.com	$77.99
FPV Camera	RunCam Sparrow WDR 700TVL 1/3 CMOS 2.1mm FOV150 Degree 16:9 OSD Audio FPV Camera NTSC/PAL Switchable (10 builds) Banggood.com	$28.99
FPV Transmitter	HGLRC XJB-TX20 25/100/200/200mW VTX Replacement (V2 w/ Race Band) (9 builds) Racedayquads.com	$25.99
Antenna	Pagoda FPV Antenna (17 builds) Race412.com	$3.00
Radio	FrSky X-Lite 2.4GHz Radio Controller (Red) (65 builds) Getfpv.com	$121.99
Misc Parts	Matek Lost Model Beeper Flight Controller 5V Loud Buzzer Built-in MCU for RC Drone FPV Racing (33 builds) Banggood.com	$3.79

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Discussion

goo gwang-il Jun 19, 2018

Once I used a translator for another language.
Please understand.
You used the 40A ESC, but you can't get over the motor.
And is it okay to use 'Fort - X F4 AIO Micro Flight Controller Set' on your build?
https://www.gearbest.com/flight-controller/pp_1106470.html?wid=1433363
I'm concerned about the ESC.

jedimasterben Jun 19, 2018

I have never used that stack, but typically those types of camera setups are bad quality feeds and high latency. I would not use it, personally.

I'll be using Armattan's new 4" setup when it is released, and instead of the HGLRC stack, I'll be using an Airbot Ori32 and Omnibus Nano stack, as I've had better performance out of them for only a couple of grams more weight, plus it is only $60 US when purchased as a combo from Airbot. https://store.myairbot.com/flight-controller/omnibus-f3-f4/omnibusf4nanov5.html

goo gwang-il Jun 19, 2018

thank good information.
I will refer to it positively.
be very grateful.

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