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Good evening everyone, I found some plans for a small biplane in a RCM magazine from 1964. The plane was designed for single channel radio and powered by a COX Peewee engine. How does one figure out what size electric motor would be needed to provide similar power? The plane will have a tiny wingspan and the designer stated to keep the plane under 4 ounces. Not sure that I can do that with electric power (motor/ESC/Servos/receiver etc. Thanks