Kaplan turbines · 9 m head · 5 blades
Kaplan turbine runner 4000 mm, 5 blades (9 m head)
Model designed and computed with the Heliciel software. Design point: 9 m net head, 97.858 m³/s flow, 114.8 rpm (hydraulic power 8640 kW). Specific speed from the turbine selection chart (Ns 725 at 9 m head), diameter and hub from the Kaplan statistics; runner balanced on the head by Heliciel's hydro turbine study.
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 | 4000 mm |
|---|---|
| Number of blades | 5 |
| Hub diameter | 1780 mm |
| Net head | 9 m |
| Flow | 97.858 m³/s |
| Specific speed Ns (turbine selection chart) | 725 |
| Head taken by the runner | 7.63 m |
| Losses in wicket gate, bend and draft tube | 1.37 m |
| Wicket gate | 10 guide vanes, b0 2800 mm |
| Design speed | 115 rpm |
| Fluid speed at design point | 9.71 m/s |
| Axial load | 672531.10 N |
| Torque | 590662.400 N·m |
| Shaft power | 7113212 W |
| Power coefficient Cp | 0.88 |
| Blade shape | classic |
| Angles of attack | smoothed (6° along the whole blade) |
| Bore | 120.4 mm |
| Hub length | 1279 mm |
| Blade thickness | 42.4 mm at the root, 42.4 mm at mid-radius (r = 890 mm), 95.2 mm at the tip |
| Strength at design point | blade root fillet to be sized for strength |
| Direction of rotation | right-hand |
| Files included | STL, STEP, HLC |
| Reference | K-4000-5p-H9 |
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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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