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BrianG · 01.26.2012, 10:36 AM

The input cap is probably to help cope with ripple currents. The motor/ESC is generating the ripple, but it is also present on the BEC wires as well. Couple that with the longish BEC input wires may cause undesired BEC operation in the switching circuit.

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BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	01.26.2012, 10:36 AM The input cap is probably to help cope with ripple currents. The motor/ESC is generating the ripple, but it is also present on the BEC wires as well. Couple that with the longish BEC input wires may cause undesired BEC operation in the switching circuit.