Power 25 BL Outrunner Motor, 870Kv (Part # EFLM4025A)
Ideal for 25-size sport and scale airplanes weighing 3- to 5.5-pound (1.4- to 2.5-kilograms) 15-size 3D airplanes up to 3.5 pounds (1.6 kilograms), or models requiring up to 600 watts of power.
Maximum operating temperature: 220 degrees Fahrenheit.
Adequate cooling is required for all motor operation at maximum current levels.
Maximum burst current duration is 15 seconds. Adequate time between maximum burst intervals is required.
You will need...
40–45A brushless ESC
3S–4S Li-Po or 10- to 14-cell Ni-MH/Ni-Cd
11x8 to 14x7 prop
Type: Brushless outrunner
Size: Replacement for 25-size glow engine
Bearings or Bushings: One 5 x 14 x 5mm Bearing, and Two 5 x 11 x 4mm Bearings
Wire Gauge: 14
Recommended Prop Range: 11x8 to 14x7
RPM/Volt (Kv): 870
Resistance (Ri): .03 ohms
Idle Current (Io): 2.40A @ 10V
Continuous Current: 32A
Maximum Burst Current: 44A (15 sec)
Cells: 3S-4S Li-Po or 10–14 Ni-MH/Ni-Cd
Speed Control: 40–45A brushless
Weight: 190 g (6.7 oz)
Overall Diameter: 35mm (1.40 in)
Shaft Diameter: 5mm (.20 in)
Overall Length: 54mm (2.10 in)