Power 25 Brushless Outrunner Motor 870Kv

The E-flite Power 25 (870 Kv) Brushless Outrunner Motor delivers the power of a 25-size glow engine—perfect for sport and scale aircraft weighing between 1.4–2.5 kg, or 15-size 3D models up to 1.6 kg. Its high-torque, efficient design makes it a top choice for models requiring up to 600 W of performance.

Features

• Outperforms a 25-size glow engine in sport and scale airplanes up to 2.5 kg (5.5 lb)
• Excellent for 15-size aerobatic planes up to 1.6 kg (3.5 lb)
• Delivers up to 600 W power output
• High-torque outrunner design replaces inrunner setups
• Comes with mounting plate, prop adapter, and necessary hardware
• External radial rotor with reversible 6 mm shaft
• Built with slotted 14-pole rotor, ball bearings, and hardened steel shaft
• Quiet and lightweight for clean flight performance

What’s Included

• E-flite Power 25 Motor (870 Kv)
• Mounting hardware and prop shaft adapters

Needed to Complete

• 40–45 A brushless ESC
• 3 S–4 S LiPo or 10–14 cell NiMH/NiCd battery
• Propeller sized between 11 × 8 and 14 × 7

Specifications

• Kv Rating: 870 Kv (rpm per volt)
• Voltage Range: 12–16.8 V (3 S–4 S LiPo)
• No-Load Current (Io): 2.4 A @ 10 V
• Internal Resistance (Ri): 0.03 Ω
• Continuous Current: 32 A
• Burst Current (15 s): 44 A
• Recommended Prop Range: 11 × 8 to 14 × 7
• Weight: 190 g
• Diameter: 35 mm
• Length: 54 mm
• Shaft Diameter: 5 mm
• Wire Gauge: 14 AWG