This is an FMS 4250-KV540 Brushless Outrunner Motor. ...
nbsp; This motor is a direct replacement for the FMS P-51D, P-51B, P47 and F4U. Specifications: Dimension: Ф42.3x100mm Weight (not including connectors): 245g Voltage: 4S Max Current: 1.8A Length of Front Shaft: 37mm ...
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