I built this quad to prove I could build a 4 inch quad with a good size battery (4s 850mah) under 250grams. I originally bought an Avant Leggero loved the combination of the HQ 4X4.3X3V1S with 3600kv motors. I listed all the parts in a spreadsheet and looked for places to save weight. I heard good reviews of the RG motors, and they were only 14g each. I found working with the HGLRC XJB F428 stack a lot easier than most builds, the two boards have pins for power and signal. I went with the Grvdigr frame as it was 42g, I could have gone with another Avant frame, but the price was right, and it's Canadian. The Caddx F1 cam was a surprise how good it was, I originally put a Runcam MicroSwift but wanted to black out the frame.
Frame |
Tombstone 4sX
(3 builds)
Grvdigr.com
|
$30.00 |
Flight Controller |
HGLRC XJB F428 F4 Brushless Flight Control System - $59.80 |GearBest.com
Gearbest.com
|
$59.80 |
Motors |
4 x Rotorgeeks 7075 Series 1407 3600kv
(9 builds)
Rotorgeeks.com
|
$84.44 |
Propellers |
HQ Durable Prop 4X4.3X3V1S (2CW+2CCW)
(3 builds)
Rotorvillage.ca
|
$4.59 |
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)
Banggood.com
|
$19.99 |
FPV Transmitter |
Eachine VTX02 Super Mini 5.8G 40CH 200mW FPV Transmitter for RC Drone FPV Racing
(26 builds)
Banggood.com
|
$8.38 |
Receiver |
Frsky XM+ Micro D16 SBUS Full Range Mini Receiver Up to 16CH for RC FPV Racing Drone
Banggood.com
|
$13.69 |
Batteries |
Tattu 850mAh 4S 45C Lipo XT60
Rotorvillage.ca
|
$18.99 |
Radio |
Banggood.com
(15 builds)
Banggood.com
|
See Site |
Soldering Iron |
MINI TS100 Digital OLED Programable Interface DC5525 Soldering Iron Station Built-in STM32 Chip
(265 builds)
Banggood.com
|
$49.99 |
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Some onboard video from last night's Micro Monday meetup with the 4sX