Arrowhead (AKA small sahlamari) 3 inch + configuration quadcopter

This is the design for a 3-inch plus (+) motor configuration racing drone.
some parts you will need to build this:
1806 motors
https://goo.gl/x35VZ6

20 amp 4in1 ESC
https://goo.gl/iDp2yR

F4 OSD Flight Controller
https://goo.gl/CX9QeC

you will also need
Radio control transmitter and receiver
4S (14.8V) battery 850MAh (at least 30C - ideally 75C)

if you want to fly this FPV:
FPV cam
FPV VTX
FPV goggles.