BL400 DF Outrunner 3500Kv

The E-flite BL400 ducted-fan motor (3 500 Kv, model EFLM1320DF) is engineered for compact EDF aircraft. Designed as a high-torque, high-speed outrunner alternative to inrunner motors, it delivers thrilling performance with smooth installation and quiet operation.

Features

• 3 500 Kv outrunner motor—optimized for 66 mm EDF units
• High-torque design offers faster spool-up and responsive thrust
• Compact external rotor construction supports efficient cooling and lightweight use
• Weighs only 56 g (about 2 oz)—ideal for tight builds
• Includes ball bearings and a hardened steel shaft for durable performance

What’s Included

• BL400 ducted-fan motor (3 500 Kv, model EFLM1320DF)

Needed to Complete

• 66 mm 3-blade EDF unit
• 20 A brushless ESC
• 11.1 V (3 S) LiPo battery—e.g., 2 100 mAh recommended