This here is my first 3" build, seasoned with a stretched-X Armattan XLR-3 frame. I finally decided to build it after slowly getting the rest of the parts. The Sirin FPV FC was chosen because of its simplicity and features, as well as the fact that I got a good deal on it. A friend of mine has this frame with a Betaflight FC, which I would recommend (complimented with some EMAX 15a bullet ESC), because doing a 2-stack (4-in-1 plus the FC AIO) was a little too snug a fit if screwed upwards.
Overall I am totally happy with this clean build, and I intend on building at least another 3" in the future, and aiming for a sub-250g build. I am also very curious if I could build a fancy 3" that can fly with a decent action cam, for I would take it everywhere with me.
Frame |
XLR-3 3IN STRETCH X RACER
(2 builds)
Armattanproductions.com
|
$37.00 |
Flight Controller |
SIRINFPV V2 F3 FLIGHT CONTROLLER, VTX & OSD
Newbeedrone.com
|
$72.00 |
ESCs |
Lumenier BLHeli_S 20A 4-in-1 OPTO ESC DSHOT
Getfpv.com
|
$49.99 |
Motors |
4 x Xnova 1407-3500kV FPV Racing Motor (1)
(2 builds)
Amainhobbies.com
|
$79.96 |
Propellers |
Team RaceKraft 3030x4 Race Prop Clear 2CW 2CCW
(12 builds)
Pirofliprc.com
|
$3.99 |
FPV Camera |
RunCam Swift 2
(202 builds)
Shop.runcam.com
|
$44.99 |
Antenna |
RJX 2pcs 5.8G FPV Antenna 3dBi RP-SMA Male for FPV Racing Drone RED (2pcs)
Amazon.com
|
$9.99 |
Receiver |
Frsky XM+ Micro D16 SBUS Full Range Mini Receiver Up to 16CH for RC FPV Racing Drone
Banggood.com
|
$13.69 |
Batteries |
Lumenier 850mAh 4s 45c Lipo Battery (XT-30)
(4 builds)
Getfpv.com
|
$16.99 |
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