Flite test got me into this, so I built the mad Swede's Tricopter

Part List

Frame	Menu (2 builds) Rcexplorer.se	$89.00
Flight Controller	Tricopter frame – all combinations! Rcexplorer.se	See Site
ESCs	3 x Aikon SEFM 30A ESC (24 builds) Getfpv.com	See Site
Motors	3 x Menu (2 builds) Rcexplorer.se	$63.00
Propellers	Menu Rcexplorer.se	$5.50
FPV Camera	Foxeer HS1177 XAT600M 5~22V NTSC 2.5mm lens Droneeclipse.com	$37.99
FPV Transmitter	FT48X 5.8G 48CH 0.25/25/200/600mW Adjustable Video Transmitter VTX Raceband For FPV Racer RC Drone (18 builds) Banggood.com	$19.99
Antenna	Aomway 5.8GHz FPV 4 Leaf Clover AV Transmission RHCP Antenna 1 Pair Blue Red w/Canopy For RC Drone (114 builds) Banggood.com	$11.99
Receiver	FrSky X4RSB 3/16 Channel Telemetry Receiver for RC Drone FPV Racing (176 builds) Banggood.com	$31.61
Batteries	2 x ZIPPY Flightmax 3000mAh 4S1P 20C LiPo Pack w/XT60 (2 builds) Hobbyking.com	$43.70
Radio	FrSky ACCST Taranis Q X7 2.4GHz 16CH Mode 2 Transmitter Blue Orange for RC FPV Racing Drone (263 builds) Banggood.com	$139.99
Misc Parts	Mini XiaoMi Yi Sports Action WIFI Wireless Camera Ambarella 1080P 16MP Authentic Ebay.com	$80.80
Misc Parts	Menu (4 builds) Rcexplorer.se	$27.00
Misc Parts	Ublox NEO-M8N Flight Controller GPS with Protective Shell for PIX PX4 Pixhawk (3 builds) Banggood.com	$19.99

Dizzy Rascal! RCExplorer V4 Tricopter