This is the E-flite Park 450 890kV Brushless Outrunner Motor. This motor is designed to fly airplanes 15-30 ounces on a 3s lipo.
Features:
- Extremely quiet and lightweight—just 2.5 ounces (72 g)
- High-torque alternative to inrunner brushless motors
- Includes mount, prop adapter and mounting hardware
- External radial rotor design—4mm shaft can easily be reversed for alternative motor installation
- Slotted 12-pole outrunner design
- Ideal for 3D park flyers (15–25 oz) and scale park flyers (20–30 oz) using 2–3S 1200–2100mAh Li-Po batteries
- Quiet, efficient operation
Specifications:
Type: Brushless Outrunner
Size: Replacement for 370 or 400
Bearings or Bushings: Ball Bearings
Recommended Prop Range: 9x6 to 11x3.8 Slow Flyer or 10x5 to 12x6 Electric
Voltage: 7.2 - 12
RPM/Volt (Kv): 890
Resistance (Ri): .20 ohms
Idle Current (Io): .70A @ 8V
Shaft Diameter: .16 in (4mm)
Overall Length: 1.30 in (33mm)
Weight: 72g (2.5 oz)
Overall Diameter: 1.10 in (28mm)
Diameter: 1.1 in (28mm)
Length: 1.3 in (33mm)
Continuous Current: 14A
Maximum Burst Current: 18A for 15 seconds
Cells: 2-3 Li-Po or 6-10 Ni-Cd/Ni-MH
Speed Control: 20A Brushless ESC
