Park 400 Brushless Inrunner Motor 4200Kv

The E-flite Park 400 brushless inrunner motor (4 200 Kv, model EFLM1100) is a powerful upgrade for Speed 400 applications. Compact and efficient, it delivers smooth performance for small airplanes weighing 340–740 g (12–26 oz), and includes everything needed for a quick plug-and-play upgrade.

Features

• Excellent replacement for Speed 400 brushed motors in sport and aerobatic park flyers
• Includes adapter plate for mounting to GWS- and E-flite-style gearboxes
• Comes with prop adapter and gold-plated connectors for easy setup
• Slotless 2-pole inrunner design—smooth and efficient operation

Included

• Park 400 motor (4 200 Kv) with adapter plate, prop adapter, and connectors

Needed to Complete

• 20–25 A brushless ESC (adequate cooling recommended)
• Battery: 6–10 cell NiMH/NiCd or 2–3 S LiPo
• Recommended propeller: 10 × 4.7 to 12 × 6

Specifications

• Type: Brushless inrunner
• Kv Rating: 4 200 Kv
• Voltage Range: 7.2–12 V
• Continuous Current: 18 A
• Max Burst Current (15 s): 24 A
• Idle Current (at 10 V): 1.80 A
• Internal Resistance (Ri): 0.24 Ω
• Shaft Diameter: 2 mm
• Diameter: 20 mm
• Length: 40 mm
• Weight: 68 g