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4892K10 Raptor 90 3D
Features
1. Machined metal main rotor hub 2. New nonlinear stiffness flapping damper 3. Machined metal bearing blocks for main rotor shaft 4. Aluminum seesaw that permits different flybar ratio 5. Bell-Hiller mixing arms with holes for different control sensitivities 6. 3D paddles of 30g and carbon 3D vertical fin 7. Push-pull system for collective and cyclic pitch control 8. Light weight tail boom bracket 9. 8.27 to 1 gear ratio for 3D flying