iFlight Defender 20 Frame Kit

Build note 01

This airframe sits in the 2-inch class, which sets the overall build scale and prop envelope.

Build note 02

Treat 2 inches as the practical prop ceiling when pairing motors and props for this frame.

Build note 03

tiny whoop positioning gives a quick clue about the intended flying style and parts profile.

Build note 04

Internal stack clearance is limited to about 20.6 mm, so taller electronics should be checked carefully.