BOB57 O3 Frame Kit

Build note 01

This airframe sits in the 6-inch class, which sets the overall build scale and prop envelope.

Build note 02

Treat 6 inches as the practical prop ceiling when pairing motors and props for this frame.

Build note 03

long range positioning gives a quick clue about the intended flying style and parts profile.

Build note 04

Internal stack clearance is limited to about 34 mm, so taller electronics should be checked carefully.