Product overview
The Gemfan D51 2020 Ducted PC 5 Blade, designated D51-5, is a propulsion component for 2-inch cinewhoop drones. Its intended work includes indoor cinematic flying, close-range filming and FPV videography, with an emphasis on smooth handling and low noise. The five-blade architecture combines a 51mm disk diameter with a 1.9in pitch and PC construction. At 0.996g, it provides a compact propeller configuration aimed at stable cinematic flight and maneuvering in tight spaces.
Integration centers on the 1.5mm center hole, 4.6mm center thickness and 10.6mm maximum propeller width. The recommended motor size is 1204 and up, defining the stated motor pairing for this propeller. Its blade geometry supports stronger static thrust, lift and cornering, while reduced turbulence and vibration support quieter flight and smoother footage. The impact-resistant PC construction addresses durability under cinewhoop conditions, and the aerodynamic profile supports predictable control during the indoor and close-range filming applications.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Gemfan D51 2020 Ducted PC 5 Blade |
| Type | D51-5 |
| Blade count | 5 |
| Material | PC |
| Pitch | 1.9in |
| Propeller disk diameter | 51mm |
| Center thickness | 4.6mm |
| Center hole inner diameter | 1.5mm |
| Maximum propeller width | 10.6mm |
| Weight | 0.996g |
| Recommended motor | 1204 and up |
| Intended platform and applications | 2-inch cinewhoops; indoor cinematic flying; close-range filming and FPV videography; smooth, stable flight scenarios requiring low noise. |
| Thrust and control characteristics | Five-blade design increases static thrust and lift and supports stronger cornering. |
| Noise characteristics | Blade geometry reduces turbulence for quieter flight suited to video recording. |
| Vibration and stability | Reduced vibration supports smoother flight and improved camera footage quality. |
| Construction durability | Impact-resistant PC construction supports prolonged service life.Under cinewhoop conditions. |
| Handling characteristics | Balanced aerodynamic profile supports steady, predictable control. |
| Torque and acceleration | 1.9-inch pitch supports low-RPM torque and acceleration.At low RPM. |
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