This is the E-flite Park 400 Brushless Inrunner Motor, 4200kV. Get better and more efficient performance from your sport and aerobatic park flyers with E-flite's Park 400 brushless motor. Once you experience the enhanced power of the Park 400 you'll soon realize it's a jump up from Speed 400 applications.

Features

• Great upgrade for Speed 400 applications
• Excellent motor for small airplanes weighing 12–26 oz (340–740 g)
• Adapter plate included for mounting to GWS and E-flite style gearboxes
• Prop adapter and gold-plated connectors included
• Slotless 2-pole design

Specifications:
Type: Brushless
Size: Park 400
Bearings or Bushings: Bearings
Recommended Prop Range: 10x4.7 to 12x6
Voltage: 7.2 - 12
RPM/Volt (Kv): 4200 Kv
Resistance (Ri): .24 ohms
Idle Current (Io): 1.80A @ 10V
Shaft Diameter: 2mm (.08 in)
Overall Length: 40mm (1.60 in)
Weight: 68g (2.4 oz)
Overall Diameter: 20mm (.80 in)
Diameter: 20 mm (.8 in)
Length: 40 mm (1.6 in)
Continuous Current: 18A
Maximum Burst Current: 24A (15 sec)
Cells: 6-10 NiCd/NiMh or 2-3 LiPo
Speed Control: 20 - 25 Amp Brushless