PropTool
Choose a tool below.
Sizing
Find optimal diameter, pitch, blade area ratio and gear ratio.
→Open Water
Open-water efficiency, thrust, torque and slip.
→Cavitation
Cavitation number, required blade area, tip clearance.
→Blade Strength
Blade root bending stress check.
→Shaft Diameter
Minimum propeller shaft diameter per rules.
→Speed Prediction
Predict vessel speed from power & hull type.
→Noise Estimate
Rough tonal noise & cavitation onset estimate.
→Data Manager
Store projects, vessels, propellers, engines locally.
→B-Series Lookup
High-fidelity Wageningen B-Series K_T / K_Q from interpolated table.
→Ducted Propeller
Kort 19A nozzle — thrust split & efficiency gain.
→Blade 2D Plan
Draw the developed blade from D, P/D, EAR, skew, rake.
→Sea-Trial Calibration
Compare measured trial data to theory; derive anchor factors.
→Scan Backfit
Reconstruct P/D & EAR from measured points or sections.
→Units & Conversion
Switch metric/imperial live across all tools.
→Gawn Lookup
Wageningen Gawn (flat-faced) K_T / K_Q open-water curves.
→MAU / MAUw
Wageningen MAU commercial series and washback MAUw open-water.
→Kaplan / High-BAR
Tip-tilted high blade-area Kaplan propellers with a folding NSC model.
→Fuel Rate
Fuel burn, endurance and range from power and SFOC.
→Tow Pull & Bollard
Towing pull, attainable tow speed and zero-speed bollard thrust.
→Shaft Angle & Cupping
Shaft-angle thrust penalty and cup-induced effective pitch gain.
→Optimal Gear Ratio
Find the most-efficient reduction ratio for power, RPM and hull.
→Progressive Pitch
Variable pitch distribution and area-weighted mean P/D.
→Report Package
Aggregate results from several tools into one multi-section PDF.
→Performance
Overlay open-water curves of multiple propeller families and mark the operating point.
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