By mdular on Jul 16, 2018

0  118  5

Please help a total new-starter out!

First ever FPV drone build. 0 drone experience.
Based off "wizard killer" builds (mix & match, available parts).
Will begin practicing in a sim starting today, when transmitter arrives.
Shipping to Germany will take 2-4 weeks max I hope, so would like to place order asap.

Are there any obvious mistakes in the build? (i.e. "that shit won't fit")
Is it well rounded overall?
Intended to be flown with FlySky DS-i6x transmitter - will IA6B receiver be compatible with FC?
Goggles: EV800 - will the stock antenna on the EV800 work well with the TX526 + Foxeer Omni antenna?

Are there any missing "misc parts" I'll be missing in order to successfully assemble?
Consider that I have nothing, besides elecitrcal tape & zippers + basic soldering gear.
Any tips on must-have supplies would be greatly appreciated!

Batteries - Which size should I use to get started? 3s? How many should I get initially, considering that I won't be able to charge in the field?
Charger: ISDT Q6 mini charger

Spares - considering that I'll have spare props, should I get additional spare parts straight away?

Total cost to start this hobby will come in at around €500 if I include 2 batteries.
Am I over- or underspending on a category? (transmitter ~60 / fpv ~60 / charger ~60 / quad ~170) + 19% import taxes = ~420 + some build tools and batteries.
Should I try to build a cheaper first quad?

Appreciate any feedback!

Part List


Martian II 220 220mm 4mm Arm Thickness Carbon Fiber Frame Kit w/ PDB For RC Drone (90 builds)

Flight Controller

30.5x30.5mm Betaflight Omnibus F4 Pro V3 Flight Controller Built-in OSD Barometer SD Blackbox (61 builds)


4X DYS DS20A 20amp BLHeli_S 2-4S ESC BB2 Supports Dshot600 Dshot300 Dshot150 Oneshot42 RC Drone FPV Racing (7 builds)


4X Racerstar Racing Edition 2205 BR2205 2300KV 2-4S Brushless Motor For QAV250 ZMR250 RC Drone FPV Racing (76 builds)


10 Pairs Kingkong / LDARC 5x4.5x3 5045 5 Inch 3-Blade Propeller CW CCW for RC FPV Racing Drone (26 builds)

FPV Camera

Caddx Turbo Micro F1 1/3" CMOS 2.1mm 1200TVL 16:9/4:3 NTSC/PAL Low Latency FPV Camera 4.5g (77 builds)

FPV Transmitter

Eachine TX526 5.8G 40CH 25MW/200MW/600MW Switchable AV Wireless FPV Transmitter RP-SMA Female (120 builds)


Foxeer 5.8G 3dBi TX/RX RHCP Omni FPV Short Antenna RP-SMA/SMA (27 builds)

Misc Parts

Matek LED Tail light WS2512B with Loud Buzzer Dual Modes for RC Drone FPV Racing (40 builds)

Misc Parts

4 PCS Realacc M3*7+4.5 Flight Controller Anti-Vibration Fixed Screws for RC Drone FPV Racing (49 builds)

Misc Parts

10 PCS 3m Gum Battery Silicone Non-slip Pads for RC Multirotor FPV Racing Drone

Misc Parts

10 PCS 25V 470UF Multirotor FM Series PDB Capacitor 8x12mm for RC Drone FPV Racing (10 builds)

Misc Parts

5PCS Banggood 220mm Battery Tie Down Strap for RC Drone (17 builds)

Misc Parts

4 PCS 22XX Series Motor Silicone Anti-vibration Pad in for RC Drone FPV Racing Drone (11 builds)

Misc Parts

60mm Low Loss Antenna Extension Cord Wire Fixed Base for Antenna SMA RP-SMA RC Drone (5 builds)

Misc Parts

DIY Fixed Mount For Runcam Micro Swift FPV Camera Red & Black RC Drone FPV Racing Multi Rotor (9 builds)

Misc Parts

20Pcs Exuav 5mm Rubber Dumping Washer for F3 F4 Flytower Flight Controller for RC Drone FPV Racing

Misc Parts (8 builds)
See Site
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FissionBomb   Jul 19, 2018  

Hello there! Whiffles asked me to stop by and talk a bit about Flysky and options available to you. I highly recommend the X6B as a receiver. It's half the size of a 30x30 flight controller board and has holes that can be used for mounting. You will need to drill them a little larger to fit on a regular M3 standoff. I cannot recommend this RX enough over the IA6B. The size and performance are much much better. I also recommend using IBUS as your radio protocol. IBUS is a faster signal than SBUS and substantially faster than PPM. PPM is "drifty" feeling while IBUS is much snappier and responsive. Setting it up in Betaflight is as simple as choosing IBUS and Serial Port in the Configuration Tab. You will also want to activate the proper UART that you solderd to in the Ports tab.

Another note, I recommend getting a nice matching CP antenna for your goggle. Having matching antennas just makes the picture that much nicer and worth the cost. Be sure to buy RP-SMA as that is what Eachine uses.

Good luck with the build and happy flying!

mdular   Jul 19, 2018 

Hey! Thanks for taking the time to look at my planned setup!

I'll definitely look into that receiver. I've kinda taken the learning curve one part at a time, and simply skipped the RX because it is included with the remote. It supposedly supports IBUS, so besides the weight / shitty form-factor it should do fine for the first couple of flights, or would you change it right away? I'm assuming that I'll lose the 1st quad stupildy in a treetop or similar, so using what I've got seemed like the right thing to do :D

On the antenna: So you would recommend getting the same Foxeer antanna for the goggles, or any CP antenna? So far I've assumed that the one packaged with the EV800 is in this category. Do you have a specific example for a good CP antenna I should be looking at?

Again, thanks - this type of advice is really helpful!

FissionBomb   Jul 20, 2018 I cannot recommend these enough, especially for a newer pilot. They are tough as nails and give a great signal. I would put one on your goggle and one on the quad. This way you have a matching signal. Any antenna will work as long as the polarization is matching. Left hand goes to left hand and right hand goes to right hand. Basically the direction the leaves swirl is the direction the signal goes out. They have to match otherwise you get bad video back.

You can use your IA6B and it's Ibus capable but the wiring and setup of doing so is a little more complex than PPM. The form factor plays a big deal unless you have plenty of room to spare. It has OKAY range but nothing like the X6B in my experience. I personally started with this RX and flew PPM for several months. Once I made the switch to Ibus it was night and day.

Whiffles   Jul 19, 2018  

Just a few comments. I wouldn't use the IA6B. I believe it's mainly a PPM receiver and quite huge at that. You could try the X6B. It has holes which can be filed larger to stack above your flight controller.

Concerning the flight controller. It doesn't function as a power distribution board, so you'd have to use the PDB included with the frame. I personally don't like to use it and wiring individual ESCs can be quite troublesome. I recommend a 4-in-1. Your ESCs won't be prone to damage as they'll be protected in the stack. There are many proven 4-in-1 ESCs that work great.

Those props are okay, but I recommend the DAL Cyclone 5046C as they're great all around props.

Don't get that VTX, it's large and outdated. I'd either get the Eachine VTX03 or the PandaRC Mini5804. The VTX03 is a proven VTX, but it doesn't support OSD control. If you don't plan to fly with others very frequenty then you'll be just fine. The PandaRC VTX does support OSD control, but it's prone to heating up if you leave your battery connected too long without airflow. This is fairly common among all video transmitters though. Both of these have a U.Fl connector, so if you want to use an SMA/RP-SMA antenna then you'll need an adapter. You'll most likely be fine with the included linear antenna though.

Concerning your misc parts don't bother with the tail light/buzzer as that'll just complicate your wiring. The same for the mic. You don't really need audio. Also, don't bother with the anti-vibration pads for the motors. They don't do anything.

mdular   Jul 19, 2018 

Thanks alot for giving some feedback!

FissionBomb also mentioned the receiver, looks like I really need to get the X6B once it's back in stock.

FC / PDB / ESCs - yeah, that AIO combo you're using in the Wizard Killer III has me drooling. While absorbing various threads and websites I've repeatedly gotten the impression that going for individual parts would be preferrable, given how likely I am to screw something up. Ironically, the chance of doing so might also be much higher with that much soldering & wiring. Unforunately I've already ordered these particular parts - so this will need to be changed in the next iteration :/

Props: Cool, I'll probably order a set of those just to test if I can feel the difference. Buying the 10-pack purely for the price since I'm expecting to go through a lot of them :D

VTX: Interesting! I went with the "cheapest worth having" recommendation from and somehow thought that the TX526 would be "better", but I'll select one of your recommendations as well.

Regarding the misc parts: Thanks for helping me make it simpler. It's hard to determine what's needed and what isn't.

Thanks for looking into it!

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