Eclair Lite 3" - Superman 1404 3850kv, 4s w/ Crossfire

By wrong17 on Nov 04, 2018

13  523  4

I think the BBB 6000kv motor was too much for the Emax stack on 4s. It flew fine during my test flight in the garage but once I took it outside for the first FPV flight it just died within the first 20 sec. This build with the BBB 6000kv motors has failed. I had so many problems that I do not even know what was defective.

Problem #1, the flight controller was acting very strange. When I plug in the computer it would only work once. I would have to restart the computer in order for the FC to connect to the computer again. I happen to have another diatone Fury F4M flight controller and when I plug that one in the computer it works perfectly. So, I swapped the 2 boards out and things are happy again. But before I swapped the FC I also had another issue.

Problem #2, Motor #4 will not turn. I need to do more testing on the motor to determine if the motor is really dead. When I go in to butterflight to test the motors, #4 will not spin. I know it is getting a signal because the motor will cog but not spin correctly. It is possible that the FC was the cause of this problem, but I end up swapping all the motors out because I did not have a spare motor. After switching the FC and Motors, everything is working correctly.

I did a test flight in the garage and everything went okay. But when I went to the park to do the maiden flight, I made a big mistake and did not test my FPV setup. The OSD fonts was messed up and all I see on through my goggles is a bunch of letter "v" covering the screen. I encountered this problem before, so I know it is an easy fix, but I need a computer. I did a quick test flight anyways, but it was a challenge to try and see past all the "v" on the OSD.

I was kind of sad when I realized that I could not use the same EMAX AVAN MINI 3 INCH PROPELLER 3X2.4X3 because it will not fit on the 1404 motors. The lower part of the Emax props entend lower and the larger diameter motors will not work. The only other props I have are RotorX Triblade RX 3044TX. I am going to try some of the HQ props when I get a chance to order it from Heli Nation. In my previous setup, this quad only weighed 85g and now it is 105g. I hope these larger motors are worth the extra weight.


Part List


AirBlade Eclair V2 3-inch LITE and PRO 3K Carbon Fiber Frame Kit3 inch LITE (19 builds)

Flight Controller

Diatone Fury F4M Flight Controller Integrated Betaflight OSD 5V 1A BEC 2-4S for Micro FPV Racing (4 builds)


Spedix IS20A 20A 2-4S 20x20 M2 4in1 ESC - Replacement for IS100 Stack (43 builds)


4 x AirBlade Superman AB 1404 Brushless Motors (38 builds)


RotorX Triblade RX 3044TX Props (3CW, 3CCW) (32 builds)

FPV Camera

Foxeer Arrow Micro Pro FPV Camera (Blue) - Heli-Nation (226 builds)

FPV Transmitter

Eachine VTX03 Super Mini 5.8G 72CH 0/25mW/50mw/200mW Switchable FPV Transmitter (426 builds)


Realacc UXII Stubby RHCP U.FL/IPEX IPX 5.8GHz 1.6dBi Mini FPV Antenna For TX RX Fatshark Goggles R (27 builds)


Team BlackSheep TBS Crossfire Nano RX - Heli-Nation (520 builds)


TATTU 14.8V 450mAh 75C 4S LiPo Battery Pack with XT30 Plug for Multirotor FPV 150 Size (20 builds)


FrSky Horus X10 Radio (Amber)


FatShark Dominator HDO OLED FPV Goggles & ImmersionRC rapidFIRE 5.8GHz Goggle Module w/ Analog PLUS COMBO | (2 builds)


DJI Digital HD FPV Goggles (33 builds)

HD Camera

GoPro HERO7 Black Action Camera (61 builds)

Video Receiver

ImmersionRC rapidFIRE w/ Analog PLUS Goggle Receiver Module (125 builds)

Radio Module

TBS Crossfire TX - Long Range R/C Link (10 builds)

Battery Charger

HOTA D6 PRO Charger AC200W DC650W 15A (4 builds)

Soldering Iron

TS100 Portable Programmable Smart Soldering Iron (137 builds)


Lowepro QuadGuard BP X3 - Drone Backpack for 4 FPV Quad Racing Drones and 15" Laptop w/Exterior Mounts (Black)
Show stores (8)


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miromir237   Nov 09, 2018  

Interesting. I am running those Avans on same motors and frame. Did I missed something?

wrong17   Nov 09, 2018 

Maybe you are using a different prop or did you mount them upside-down? Take a look at the pics below. The first 2 pictures show how it should be mounted and it does not fit. The bottom of the props presses against the bell. But if you mount the props upside-down they props will fit. And that is why I am stuck with the RotorX props. I plan to order some HQ props to see how they perform.

StickyRice   Jul 22, 2019 

lmao i know this is probs too late but i have the DYS 1404 which has the same problem but i was able to use the avans still...i just had to press it a bit down and the bottom of the prop would somewhat bend but that didnt affect the flight that much for me

wrong17   Jul 22, 2019 

Thanks for the tip. I will give it a try! I was able to get the props on by pressing it down as you suggested. Let me see how it flies. I hopes its better than the RotorX props im using now.

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