HARTZELL PROPELLER - HC-D4N-3N/D9511FK/D-630-P

Hartzell propeller hc-d4n-3n is a hydraulically actuated, constant-speed aluminum propeller assembly engineered for certified piston aircraft, utilizing a two-blade configuration with a forged hub and precision-machined blade retention system to deliver stable rpm control, high fatigue resistance, and optimized thrust efficiency across varied flight regimes. the design supports compatibility with lycoming-class engines and integrates with standard governor systems for fine pitch control, rapid response, and low vibration operation. constructed for durability under cyclic loading, it operates reliably across typical aviation temperature envelopes and resists corrosion with protective finishes. suitable for airframe installations in general aviation platforms, it is deployed in flight-critical propulsion systems where consistent aerodynamic performance, structural integrity, and maintainability are required.