Another 4 inch build from a couple of years ago . I think through favourable motor at the time was 1806 2300kv.. lol imagine that.

Photos

Part List

Frame	Google.lk Google.lk	See Site
Flight Controller	AfroFlight Naze32 Rev5 Acro FunFly Controller (25 builds) Hobbyking.com	$26.51
ESCs	4 x DYS BL20A Mini 20A BLHeli ESC OPTO 2-4s for QAV160 180 250 300 330 (6 builds) Banggood.com	$45.56
Motors	4 x DYS BE1806 2300KV Brushless Motor Black Edition for Multicopters (14 builds) Banggood.com	$46.96
Propellers	DAL 4045 Regular (8 builds) Dalprops.com	$0.99
FPV Camera	Foxeer XAT520 HS1188 520TVL FPV Camera (100°) (2 builds) Helipal.com	$24.90
FPV Transmitter	Lumenier TX5G2R Mini 200mW 5.8GHz FPV Transmitter with Raceband (26 builds) Getfpv.com	$19.99
Antenna	Fatshark immersionrc spironet antenne rhcp de 5.8ghz tx rx ensemble (13 builds) Banggood.com	$3.00
Receiver	FrSky D4R-II 2.4G 4CH ACCST Receptor de Telemetría (2 builds) Banggood.com	$26.42
Batteries	Venom 50C 4S 1800mAh 14.8V Drone Racing LiPo with Universal 2.0 Plug (5 builds) Venompower.com	$34.99
Power Distribution	Matek Systems PDB-XT60 W/ BEC 5V & 12V 2oz Copper for RC Drone FPV Racing Multi Rotor (139 builds) Banggood.com	$4.69