Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.

Technical discussion on fluid dynamics: theory and analysis.

Discuss stability issues and calculations, power and sail.

Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...

Discuss production and custom powerboats and powerboat design.

Sub-Forums: Propulsion (link)

Discuss marine engines, drives, and propulsion systems.

Sub-Forums: Props, Surface Drives, Jet Drives, Outboards, Sterndrives, Pod Drives, Inboards, Diesel Engines, Gas Engines, Hybrid, DIY Marinizing

Discuss monohull and multihull motorsailers and motorsailer design.

Discuss monohull sailboats - production and custom - and sailboat design.

Discuss multi-hull sailboats, catamarans and trimarans, and sailing multihull design.

Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.

Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.

Sub-Forums: General Computing, CAD Blocks

Collaborative design of a power cruiser: trailerable, 300 mile range, economical at cruise & displacement speeds.

An open forum to generate ideas for collaborative design projects.

Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.

Sub-Forums: Fiberglass and Composite Boat Building, Metal Boat Building, Wooden Boat Building and Restoration, Electrical Systems

Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.

Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.

Sub-Forums: Boat Molds

Discuss schools and programs of Naval Architecture and Yacht Design and entry paths into a boat design career.

Post positions available and marine design and boatbuilding services offered.

Enjoy friendly conversation with other forum members and boaters on marine-related topics, boats, and boating in general.

Sub-Forums: Press Releases, Wiki, Forum Questions and Suggestions, Post-Tsunami