Aerodynamic and Hydrodynamic Performance
design software for Powerboats

Secrets of Tunnel Boat Design - Second Edition - "Everything you need to know about tunnel hull design and performance, includes modified vee hulls, history of tunnel boats, powercats, performance prediction and optimization, including new detailed 'How-To' calculations." [see Latest Review]

TBDP - Design, analyze, optimize performance of your tunnel boat or power catamaran. "The best powerboat design and performance optimization software available to owners, builders, designers, drivers." NEW FEATURES!

New articles, Videos, new products, boating announcments, books, newsletters, software release/updates, publications, downloads, research/papers. TUNNEL Hull and VEE Hull Design.
[updated: Mar 18, 2026]

Fundamentals of propeller design, Pitch, Rake, Skew, Venting, Cupping, Propeller Types, Cavitation, Ventilation, Blowout, Slip, Nosecones, Labbing, Gearcase design, Surface Drives, and Speed Calculation formulae; also propeller design history

VBDP -Design, analyze, optimize performance of your Vee hull or Vee-pad hull; with ALL the features of TBDP.  Optimize vee hull and Vee-pad performance the easy way! NEW FEATURES!

Technical, design and performance articles for TUNNEL boats, Powercats, VEE hulls and vee-pad hulls.  All the articles, papers are FREE.
See Videos
[updated: Mar 18, 2026]

Exclusive powerboat performance research, aerodynamics, hydrodynamics, lifts, drags, porpoising, chine walk, step design, dynamic stability, vee-pad optimization, Lifting Strakes, Spray analysis, Cockpit cavity drag, Center-Pod optimize & more.

- Propeller Selection and Speed Prediction software.  Including Motor database of over  OEM engine specs.

'How-To' Videos - the best performance powerboat optimization software available to builders, designers , owners, drivers.

• Leading research and technical information on tunnel hull design, vee hull and vee pad design,
• longitudinal stability analysis
• powerboat aerodynamics,
• lateral stability analysis
• tunnel hull and vee hull design software
• predict porpoising, chine walk, blow-over
• Whisker Spray Drag Analysis
• Vee-Pad design optimization
• Lifting Strakes/Spray Rails/Trim Tabs
• Drive Unit Drag Analysis
• Ground Effect analysis
• Cockpit Design Drags
• Center-Pod Design & Optimization
• Advanced Aerodynamic Analysis
• Economy Performance Analysis
• Porpoising Analysis
• Cavity/Cockpit Drag
• Hump Transition Analysis
• Advanced Wind Tunnel Testing
• Hydrodynamic Analysis technique
• Design-to-Design Comparisons
• Variable Deadrise - 'Variable Longitudinal (warped plane) Deadrise', 'Variable Lateral (progressive) Deadrise'.
• Step Design
• Pontoon Boat Design
• Fuel Consumpton Analysis