Shendrones Squirt 2.1
4 in 1 esc, 1407-1507 3200-3600kv motors recommended. 36x36 or 20x20 stack.
The fpv cam mount holds a micro cam.
HQ 4x4.3x3 props cut down to 3" have performed best. You want a bullnose tip that hugs the ducts. Keep the gap at a minimum for maximum efficiency.
DJI FPV versions need 40mm tall standoffs and a holder for the air unit and its antennae.
There are three Hero mount options: fixed and damped 10 degree, undamped variable angle, and damped variable angle.