Park 370 Brushless Motor 4100Kv

The E-flite Park 370 (4 100 Kv) Brushless Inrunner Motor is a compact high-RPM powerhouse designed as a direct replacement for Speed 280 and Speed 370 brushed motors. Perfect for park and sport flyers weighing between 280–400 g (10–14 oz), it offers efficient performance and comes fully equipped for installation.

Features

• High-RPM, direct-drive inrunner design—smooth, efficient, and reliable
• Includes adapter plate compatible with GWS- and E-flite-style gearboxes
• Comes with prop pinion, prop adapter, and gold-plated connectors for a clean setup
• Slotless 2-pole rotor—consistent and refined power delivery

What’s Included

• Park 370 inrunner motor (4 100 Kv, model EFLM1000), adapter plate, pinion gear, prop adapter, and connectors

Needed to Complete

• 10–25 A brushless ESC (ensure sufficient airflow/cooling)
• Battery: 6–10 cell NiMH/NiCd or 2–3 S LiPo pack
• Recommended propellers: 9 × 6 to 12 × 6

Specifications

• Type: Brushless inrunner (Park 370 size)
• Kv Rating: 4 100 Kv
• Voltage: 7.2–12 V (3–5 cell NiMH/NiCd or 2–3 S LiPo)
• Idle Current (Io): 1.00 A @ 10 V
• Internal Resistance (Ri): 0.10 Ω
• Continuous Current: 8 A
• Burst Current (15 s max): 13 A
• Weight: 48 g (1.7 oz)
• Diameter: 20 mm; Length: 30 mm
• Shaft Diameter: 2 mm