FPV drones · 7 to 7.5-inch long range
Drone propeller 7 in, 5 blades with rounded tips (low noise)
Model designed and computed with the Heliciel software. Design point: 11,000 rpm in hover. Five blades with rounded tips: lower speed for the same thrust, a shape sought to reduce noise.
The pack contains the complete propeller as a full-definition STL, STEP surfaces (complete propeller and one blade), the Heliciel .hlc project and the computation records. It also contains the same propeller turning the other way (STL and STEP).
Characteristics computed by Heliciel
| Diameter | 178 mm |
|---|---|
| Number of blades | 5 |
| Hub diameter | 17.8 mm |
| Pitch at 0.7 R | 112 mm (4.4 in) |
| Design speed | 11000 rpm |
| Fluid speed at design point | 0 m/s |
| Thrust | 9.68 N |
| Torque | 0.133 N·m |
| Shaft power | 153 W |
| Blade shape | rounded tips |
| Angles of attack | smoothed (4° along the whole blade) |
| Blade root | junction shank 5.1 × 7.1 mm |
| Bore | 5 mm |
| Hub length | 8 mm |
| Material used in the computation | PA6, 30 % glass fibre |
| Strength at design point | yes |
| Direction of rotation | right-hand |
| Files included | STL, STEP, HLC |
| Reference | B-178-5p-R |
Need a propeller for your own parameters?
This model was designed and computed with the Heliciel software. For a custom propeller there are two ways: the Heliciel software (Windows: computation, 3D view, STL and STEP exports), and the Heliciel MCP connector, which lets your AI assistant — ChatGPT, Claude, Le Chat and any MCP client — compute a real propeller, with a free 1-day discovery pass.
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