Thread: Discussion Another coaxial F3P plane
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Old Apr 23, 2011, 01:59 PM
Kimmo Kaukoranta is offline
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Tampere, Finland
Joined Apr 2004
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Here's a few close ups on the second version of the co-runner (first version on the video). This is based on the Turnigy 2204-14T Axi copy.

If I were to build a third version, I would use a bit smaller and much higher kv motor. There is a built in 2:1 reduction in the system since both props are turning about half the motor RPM, so a motor normally designed for single 7-8" prop can easily swing a pair of 10" props with same current.
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