Boats · Wakeboard boat propellers (B-series, 13 to 16 in)
Wakeboard boat propeller 13.5 × 13 in, 5 blades (B5-75 series)
Model designed and computed with the Heliciel software. Design point: 2196 rpm at 10.00 m/s (36 km/h), J = 0.797, sea water. Exact geometry of the Wageningen B5-75 B-series at catalogue size: 13.5 × 13 in (343 × 330 mm), P/D 0.96, 5 blades. The pack holds both hands of rotation (right-hand and left-hand STL). Strength not guaranteed: at the design point the blade root does not hold in NAB bronze; thickness and material are to be sized for a real propeller.
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 | 342.9 mm |
|---|---|
| Number of blades | 5 |
| Catalogue size (diameter × pitch) | 13.5 × 13 in |
| Series | Wageningen B5-75 (B-screw series) |
| Expanded area ratio Ae/A0 | 0.75 |
| Pitch ratio P/D | 0.96 |
| Blade shape | B-series segmental sections, constant pitch |
| Hub diameter | 68.6 mm |
| Pitch at 0.7 R | 329 mm (13.0 in) |
| Design speed | 2196 rpm |
| Fluid speed at design point | 10 m/s |
| Thrust | 2969 N |
| Torque | 184.6 N·m |
| Shaft power | 42449 W |
| Propulsive efficiency | 0.70 |
| Material used in the computation | nickel-aluminium bronze (NAB) |
| Strength at design point | not guaranteed: blade root to be sized (does not hold in NAB at the design point) |
| K_T and 10·K_Q computed by Heliciel | 0.156 and 0.283 |
| J at maximum efficiency (Wageningen polynomials) | 0.797 |
| Open-water efficiency of the series at this J (polynomials) | 0.68 |
| K_T and 10·K_Q of the series at this J (polynomials) | 0.118 and 0.220 |
| Direction of rotation | right-hand |
| Files included | STL, STEP, HLC |
| Reference | N-343-5p-P330 |
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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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