Kaplan turbines · 6 m head · 4 blades
Kaplan turbine runner 300 mm, 4 blades (6 m head)
Model designed and computed with the Heliciel software. Design point: 6 m net head, 0.4834 m³/s flow, 1411.9 rpm (hydraulic power 28 kW). Specific speed from the turbine selection chart (Ns 849 at 6 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 | 300 mm |
|---|---|
| Number of blades | 4 |
| Hub diameter | 123 mm |
| Net head | 6 m |
| Flow | 0.4834 m³/s |
| Specific speed Ns (turbine selection chart) | 849 |
| Head taken by the runner | 5.38 m |
| Losses in wicket gate, bend and draft tube | 0.62 m |
| Wicket gate | 10 guide vanes, b0 210 mm |
| Design speed | 1412 rpm |
| Fluid speed at design point | 8.22 m/s |
| Axial load | 2542.03 N |
| Torque | 150.978 N·m |
| Shaft power | 22324 W |
| Power coefficient Cp | 0.80 |
| Blade shape | classic |
| Angles of attack | smoothed (5° along the whole blade) |
| Bore | 25 mm |
| Hub length | 104 mm |
| Blade thickness | 3.4 mm at the root, 4.4 mm at mid-radius (r = 79.2 mm), 8.4 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-300-4p-H6 |
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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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