Park 400 Brushless Inrunner Motor 3700Kv

The E-flite Park 400 (3 700 Kv) Brushless *Inrunner* Motor is a high-RPM upgrade for aircraft previously outfitted with Speed 400 brushed motors. Designed for sport and aerobatic park flyers weighing 340–740 g, it offers efficient, plug-and-play performance with included mounting adapter and gold-plated connectors.

Features

• High-RPM inrunner design—ideal for high-speed park flyers
• Compact and lightweight for smooth installation and balance
• Includes adapter plate for GWS and E-flite style gearboxes, prop adapter, and gold-plated connectors
• Slotless 2-pole rotor for efficient and consistent output

What’s Included

• Park 400 inrunner motor (3 700 Kv, model EFLM1105)
• Adapter plate, prop adapter, and mounting hardware

Needed to Complete

• 20–25 A brushless ESC (ensure adequate cooling)
• Battery: 6–10 cell NiMH/NiCd or 2–3 S LiPo

Specifications

• Type: Brushless inrunner
• Kv: 3 700 Kv
• Voltage: 7.2–12 V (2–3 S LiPo or 6–10 cell NiMH/NiCd)
• Idle Current: ~0.80 A @ 10 V
• Resistance (Ri): 0.11 Ω
• Continuous Current: 15 A
• Maximum Burst Current (15 s): 20 A
• Shaft Diameter: 2 mm
• Overall Diameter: 20 mm
• Length: 40 mm
• Weight: 68 g