Aircraft, paramotors · Ultralights
Ultralight aircraft propeller 1.70 m, 3 blades (winglets (6 % of radius, canted at 75°))
Model designed and computed with the Heliciel software. Design point: 2,387 rpm at 200 km/h (Rotax 912 at 5,800 rpm, 2.43 reduction). Winglets (6 % of radius, canted at 75°). A propeller is a dangerous object, in particular because of the risk of bursting under centrifugal force. These files result from theoretical assumptions and are supplied without any guarantee of operation. These models must be tested and validated in conditions that cannot endanger human life; a propeller tested and validated by a professional may then be used.
The pack contains the complete propeller as a full-definition STL with root fillet, STEP surfaces (complete propeller and one blade), the Heliciel .hlc project and the computation records.
Characteristics computed by Heliciel
| Diameter | 1700 mm |
|---|---|
| Number of blades | 3 |
| Hub diameter | 170 mm |
| Pitch at 0.7 R | 2307 mm (90.8 in) |
| Design speed | 2387 rpm |
| Fluid speed at design point | 55.56 m/s |
| Thrust | 2769.69 N |
| Torque | 789.479 N·m |
| Shaft power | 197343 W |
| Propulsive efficiency | 0.78 |
| Blade shape | winglets (6 % of radius) |
| Angles of attack | smoothed (7° along the whole blade) |
| Bore | 20 mm |
| Hub length | 224 mm |
| Blade thickness | 14.9 mm at the root, 14.4 mm at mid-radius (r = 391 mm), 6.3 mm at the tip |
| Material used in the computation | woven carbon/epoxy laminate |
| Strength at design point | yes |
| Direction of rotation | right-hand |
| Files included | STL, STEP, HLC |
| Reference | U-1700-3p-W |
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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