4250-KV540 Brushless Outrunner Motor (540kV) by FMS

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This is an FMS 4250-KV540 Brushless Outrunner Motor.  This motor is a direct replacement for the FMS P-51D, P-51B, P47 and F4U.

Weight (not including connectors): 245g
Voltage: 4S
Max Current: 1.8A
Length of Front Shaft: 37mm
ESC: 40-60A
Lamination Thickness: 21mm
Magnet Type: 45H
Kv (rpm/v): 540
Max Current: 52A
Resistance: 0.031mh
Max Voltage: 18V
Power: 800W
Shaft: M8
Length: 64mm
Diameter: 42.5mm
Can Length: 27mm
Total Length: 100mm

This product was added to our catalog on February 26, 2015.