Fireteam Which cooling fan for castle (1717) 1650kv motor?

Stay away from the heat sinks. Get a mount with fans. You can go crazy big or small.

These blow tons of air on 3s, and coupled with the powerhobby mount you won't have any temperature issues.

CCBBAA 40mm Powerful Cooling Fan for AVC 4028 12V 1A DBTB0428B2G High Speed Server Fans 404028mm Dual Ball Bearing 4-Wire 4Pin PWM

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