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In the two motor plan, there is only two fans (blue fan and orange fan), one for each motor spinning in opposite directons with the motors nose to nose. The yellow/red is not a fan. Its a stator and is like a motor mount. The green are variable guide vanes to direct flow in and out, to pre-swirl the intake and straighten exhaust flow. The yellow and green would just be rings you slip on the back of the motor. Only things moving would be the two fan rotors. I will be trying this to see what it can push out. None of the stator or guide vane rings though, just two regular counter rotating EDF nose to nose (with one fan push other pull) in a 2Motor/1Stage setup to see what they can do before I decide on guide rings.
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