Aircraft, paramotors · RC airplanes
RC airplane propeller 8 in, 2 blades
Model designed and computed with the Heliciel software. Design point: 12,000 rpm at 15 m/s.
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 | 203 mm |
|---|---|
| Number of blades | 2 |
| Hub diameter | 21.4 mm |
| Pitch at 0.7 R | 159 mm (6.3 in) |
| Design speed | 12000 rpm |
| Fluid speed at design point | 15 m/s |
| Thrust | 7.66 N |
| Torque | 0.150 N·m |
| Shaft power | 188 W |
| Propulsive efficiency | 0.61 |
| Blade shape | classic |
| Angles of attack | smoothed (6° along the whole blade) |
| Bore | 5 mm |
| Hub length | 24 mm |
| Blade thickness | 1.8 mm at the root, 1.7 mm at mid-radius (r = 47 mm), 0.7 mm at the tip |
| 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 | A-203-2p |
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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