Found 3 3D-models for “contra rotating” across many websites

#underwater#RC Boat#tnt#mechanism#rotating#wind#robot#fwg#contra gears#robotics
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Coaxial Gearbox for RC applications

Coaxial Gearbox for RC applications

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Bilge Pump Shell for a Mini ROV-- Updated

Bilge Pump Shell for a Mini ROV-- Updated

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Contra Rotating Wnd Turbine

Contra Rotating Wnd Turbine

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