E-Flite Park 400 Brushless Outrunner Motor, 740Kv

Functions

Slotted 12-pole outrunner style
Prop adapter (EFLM1923) and gold-plated adapters included
Outstanding motor for little 3D and scale park flyers weighing 10–20 oz (280–560 g)
Motor mount included
Replacement for Speed 370 and Speed 400 applications
Peaceful operationlow sound compared with transmission systems

Overview

The great performance and little size of this engine makes it ideal for little 3D and other park leaflet designs. The external rotor style gets rid of the need for a transmission, conserving you valuable weight to obtain the maximum efficiency out of the model.



You will need...
10–20A brushless ESC
10x7 to 12x3.8 prop

7.4V or 11.1V 860–1320mAh Li-Po

 E-flite Motor Comparisons (160 KB)

Specs

Type: Brushless
Size: Replacement for 370/400
Bearings or Bushings: One 3.175 x 7.94 x 3.6 Bearing, and One 3.175 x 9.525 x 3.97 Bearing
Suggested Prop Range: 10x4.7-12x3.8
Voltage: 7.2–12
RPM/Volt (Kv): 740 (rpms per volt)
Resistance (Ri): .26 ohms
Idle Existing (Io): .55 @ 10V (no load present)
Shaft Diameter: 1/8 in (3.17mm)
General Length: 1.15 in (29mm)
Weight: 56 g (2.0 oz)
General Diameter: 1.10 in (28mm)
Diameter: 1.1 in (28mm)
Continuous Existing: 7A
Maximum Burst Current: 10A
Cells: 6–10 Ni-Cd/Ni-MH or 2–3 Li-Po
Speed Control: 10–20 amp brushless